MSVSphere Packaging Team
1 year ago
parent
4a04d11f4f
commit
f187abf7c9
@ -0,0 +1,38 @@
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diff --git a/compat.c b/compat.c
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index 46dfe3a9c2e..478a9403eea 100644
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--- a/compat.c
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+++ b/compat.c
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@@ -190,26 +190,26 @@ compat_pkalg_proposal(struct ssh *ssh, char *pkalg_prop)
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char *
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compat_kex_proposal(struct ssh *ssh, char *p)
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{
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- char *cp = NULL;
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+ char *cp = NULL, *cp2 = NULL;
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if ((ssh->compat & (SSH_BUG_CURVE25519PAD|SSH_OLD_DHGEX)) == 0)
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return xstrdup(p);
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debug2_f("original KEX proposal: %s", p);
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if ((ssh->compat & SSH_BUG_CURVE25519PAD) != 0)
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- if ((p = match_filter_denylist(p,
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+ if ((cp = match_filter_denylist(p,
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"curve25519-sha256@libssh.org")) == NULL)
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fatal("match_filter_denylist failed");
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if ((ssh->compat & SSH_OLD_DHGEX) != 0) {
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- cp = p;
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- if ((p = match_filter_denylist(p,
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+ if ((cp2 = match_filter_denylist(cp ? cp : p,
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"diffie-hellman-group-exchange-sha256,"
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"diffie-hellman-group-exchange-sha1")) == NULL)
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fatal("match_filter_denylist failed");
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free(cp);
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+ cp = cp2;
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}
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- debug2_f("compat KEX proposal: %s", p);
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- if (*p == '\0')
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+ if (cp == NULL || *cp == '\0')
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fatal("No supported key exchange algorithms found");
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- return p;
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+ debug2_f("compat KEX proposal: %s", cp);
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+ return cp;
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}
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@ -0,0 +1,323 @@
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diff --git a/misc.c b/misc.c
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index a8e87430..f2135803 100644
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--- a/misc.c
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+++ b/misc.c
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@@ -2399,15 +2399,26 @@ parse_absolute_time(const char *s, uint64_t *tp)
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struct tm tm;
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time_t tt;
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char buf[32], *fmt;
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+ const char *cp;
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+ size_t l;
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+ int is_utc = 0;
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*tp = 0;
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+ l = strlen(s);
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+ if (l > 1 && strcasecmp(s + l - 1, "Z") == 0) {
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+ is_utc = 1;
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+ l--;
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+ } else if (l > 3 && strcasecmp(s + l - 3, "UTC") == 0) {
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+ is_utc = 1;
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+ l -= 3;
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+ }
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/*
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* POSIX strptime says "The application shall ensure that there
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* is white-space or other non-alphanumeric characters between
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* any two conversion specifications" so arrange things this way.
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*/
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- switch (strlen(s)) {
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+ switch (l) {
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case 8: /* YYYYMMDD */
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fmt = "%Y-%m-%d";
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snprintf(buf, sizeof(buf), "%.4s-%.2s-%.2s", s, s + 4, s + 6);
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@@ -2427,10 +2438,15 @@ parse_absolute_time(const char *s, uint64_t *tp)
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}
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memset(&tm, 0, sizeof(tm));
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- if (strptime(buf, fmt, &tm) == NULL)
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- return SSH_ERR_INVALID_FORMAT;
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- if ((tt = mktime(&tm)) < 0)
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+ if ((cp = strptime(buf, fmt, &tm)) == NULL || *cp != '\0')
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return SSH_ERR_INVALID_FORMAT;
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+ if (is_utc) {
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+ if ((tt = timegm(&tm)) < 0)
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+ return SSH_ERR_INVALID_FORMAT;
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+ } else {
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+ if ((tt = mktime(&tm)) < 0)
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+ return SSH_ERR_INVALID_FORMAT;
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+ }
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/* success */
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*tp = (uint64_t)tt;
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return 0;
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diff --git a/regress/unittests/misc/test_convtime.c b/regress/unittests/misc/test_convtime.c
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index ef6fd77d..4794dbd9 100644
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--- a/regress/unittests/misc/test_convtime.c
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+++ b/regress/unittests/misc/test_convtime.c
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@@ -20,6 +20,7 @@
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#include "log.h"
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#include "misc.h"
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+#include "ssherr.h"
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void test_convtime(void);
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@@ -27,6 +28,7 @@ void
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test_convtime(void)
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{
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char buf[1024];
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+ uint64_t t;
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TEST_START("misc_convtime");
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ASSERT_INT_EQ(convtime("0"), 0);
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@@ -56,4 +58,64 @@ test_convtime(void)
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ASSERT_INT_EQ(convtime("3550w5d3h14m8s"), -1);
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#endif
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TEST_DONE();
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+
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+ /* XXX timezones/DST make verification of this tricky */
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+ /* XXX maybe setenv TZ and tzset() to make it unambiguous? */
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+ TEST_START("misc_parse_absolute_time");
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+ ASSERT_INT_EQ(parse_absolute_time("20000101", &t), 0);
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+ ASSERT_INT_EQ(parse_absolute_time("200001011223", &t), 0);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101122345", &t), 0);
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+
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+ /* forced UTC TZ */
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+ ASSERT_INT_EQ(parse_absolute_time("20000101Z", &t), 0);
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+ ASSERT_U64_EQ(t, 946684800);
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+ ASSERT_INT_EQ(parse_absolute_time("200001011223Z", &t), 0);
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+ ASSERT_U64_EQ(t, 946729380);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101122345Z", &t), 0);
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+ ASSERT_U64_EQ(t, 946729425);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101UTC", &t), 0);
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+ ASSERT_U64_EQ(t, 946684800);
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+ ASSERT_INT_EQ(parse_absolute_time("200001011223UTC", &t), 0);
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+ ASSERT_U64_EQ(t, 946729380);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101122345UTC", &t), 0);
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+ ASSERT_U64_EQ(t, 946729425);
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+
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+ /* Bad month */
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+ ASSERT_INT_EQ(parse_absolute_time("20001301", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("20000001", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ /* Incomplete */
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+ ASSERT_INT_EQ(parse_absolute_time("2", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("2000", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("20000", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("200001", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("2000010", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("200001010", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ /* Bad day, hour, minute, second */
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+ ASSERT_INT_EQ(parse_absolute_time("20000199", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("200001019900", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("200001010099", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101000099", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ /* Invalid TZ specifier */
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+ ASSERT_INT_EQ(parse_absolute_time("20000101ZZ", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101PDT", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101U", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+ ASSERT_INT_EQ(parse_absolute_time("20000101UTCUTC", &t),
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+ SSH_ERR_INVALID_FORMAT);
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+
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+ TEST_DONE();
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}
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diff --git a/ssh-keygen.1 b/ssh-keygen.1
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index 5f429813..6aeab1cb 100644
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--- a/ssh-keygen.1
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+++ b/ssh-keygen.1
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@@ -511,8 +511,11 @@ Print the full public key to standard output after signature verification.
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.It Cm verify-time Ns = Ns Ar timestamp
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Specifies a time to use when validating signatures instead of the current
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time.
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-The time may be specified as a date in YYYYMMDD format or a time
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-in YYYYMMDDHHMM[SS] format.
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+The time may be specified as a date or time in the YYYYMMDD[Z] or
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+in YYYYMMDDHHMM[SS][Z] formats.
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+Dates and times will be interpreted in the current system time zone unless
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+suffixed with a Z character, which causes them to be interpreted in the
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+UTC time zone.
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.El
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.Pp
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The
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@@ -603,31 +606,67 @@ A validity interval may consist of a single time, indicating that the
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certificate is valid beginning now and expiring at that time, or may consist
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of two times separated by a colon to indicate an explicit time interval.
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.Pp
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-The start time may be specified as the string
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+The start time may be specified as:
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+.Bl -bullet -compact
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+.It
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+The string
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.Dq always
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-to indicate the certificate has no specified start time,
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-a date in YYYYMMDD format, a time in YYYYMMDDHHMM[SS] format,
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-a relative time (to the current time) consisting of a minus sign followed by
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-an interval in the format described in the
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+to indicate the certificate has no specified start time.
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+.It
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+A date or time in the system time zone formatted as YYYYMMDD or
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+YYYYMMDDHHMM[SS].
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+.It
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+A date or time in the UTC time zone as YYYYMMDDZ or YYYYMMDDHHMM[SS]Z.
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+.It
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+A relative time before the current system time consisting of a minus sign
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+followed by an interval in the format described in the
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TIME FORMATS section of
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.Xr sshd_config 5 .
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+.It
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+A raw seconds since epoch (Jan 1 1970 00:00:00 UTC) as a hexadecimal
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+number beginning with
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+.Dq 0x .
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+.El
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.Pp
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-The end time may be specified as a YYYYMMDD date, a YYYYMMDDHHMM[SS] time,
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-a relative time starting with a plus character or the string
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+The end time may be specified similarly to the start time:
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+.Bl -bullet -compact
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+.It
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+The string
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.Dq forever
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-to indicate that the certificate has no expiry date.
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+to indicate the certificate has no specified end time.
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+.It
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+A date or time in the system time zone formatted as YYYYMMDD or
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+YYYYMMDDHHMM[SS].
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+.It
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+A date or time in the UTC time zone as YYYYMMDDZ or YYYYMMDDHHMM[SS]Z.
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+.It
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+A relative time after the current system time consisting of a plus sign
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+followed by an interval in the format described in the
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+TIME FORMATS section of
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+.Xr sshd_config 5 .
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+.It
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+A raw seconds since epoch (Jan 1 1970 00:00:00 UTC) as a hexadecimal
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+number beginning with
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+.Dq 0x .
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+.El
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.Pp
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For example:
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-.Dq +52w1d
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-(valid from now to 52 weeks and one day from now),
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-.Dq -4w:+4w
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-(valid from four weeks ago to four weeks from now),
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-.Dq 20100101123000:20110101123000
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-(valid from 12:30 PM, January 1st, 2010 to 12:30 PM, January 1st, 2011),
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-.Dq -1d:20110101
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-(valid from yesterday to midnight, January 1st, 2011),
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-.Dq -1m:forever
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-(valid from one minute ago and never expiring).
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+.Bl -tag -width Ds
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+.It +52w1d
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+Valid from now to 52 weeks and one day from now.
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+.It -4w:+4w
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+Valid from four weeks ago to four weeks from now.
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+.It 20100101123000:20110101123000
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+Valid from 12:30 PM, January 1st, 2010 to 12:30 PM, January 1st, 2011.
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+.It 20100101123000Z:20110101123000Z
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+Similar, but interpreted in the UTC time zone rather than the system time zone.
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+.It -1d:20110101
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+Valid from yesterday to midnight, January 1st, 2011.
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+.It 0x1:0x2000000000
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+Valid from roughly early 1970 to May 2033.
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+.It -1m:forever
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+Valid from one minute ago and never expiring.
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+.El
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.It Fl v
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Verbose mode.
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Causes
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@@ -1206,7 +1245,10 @@ signature object and presented on the verification command-line must
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match the specified list before the key will be considered acceptable.
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.It Cm valid-after Ns = Ns "timestamp"
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Indicates that the key is valid for use at or after the specified timestamp,
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-which may be a date in YYYYMMDD format or a time in YYYYMMDDHHMM[SS] format.
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+which may be a date or time in the YYYYMMDD[Z] or YYYYMMDDHHMM[SS][Z] formats.
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+Dates and times will be interpreted in the current system time zone unless
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+suffixed with a Z character, which causes them to be interpreted in the UTC
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+time zone.
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.It Cm valid-before Ns = Ns "timestamp"
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Indicates that the key is valid for use at or before the specified timestamp.
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.El
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diff --git a/ssh-keygen.c b/ssh-keygen.c
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index 20b321cc..9b2beda0 100644
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--- a/ssh-keygen.c
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+++ b/ssh-keygen.c
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@@ -1916,6 +1916,21 @@ parse_relative_time(const char *s, time_t now)
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return now + (u_int64_t)(secs * mul);
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}
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+static void
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+parse_hex_u64(const char *s, uint64_t *up)
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+{
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+ char *ep;
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+ unsigned long long ull;
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+
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+ errno = 0;
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+ ull = strtoull(s, &ep, 16);
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+ if (*s == '\0' || *ep != '\0')
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+ fatal("Invalid certificate time: not a number");
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+ if (errno == ERANGE && ull == ULONG_MAX)
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+ fatal_fr(SSH_ERR_SYSTEM_ERROR, "Invalid certificate time");
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+ *up = (uint64_t)ull;
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+}
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+
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static void
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parse_cert_times(char *timespec)
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{
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@@ -1938,8 +1953,8 @@ parse_cert_times(char *timespec)
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/*
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* from:to, where
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- * from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | "always"
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- * to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | "forever"
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+ * from := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | 0x... | "always"
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+ * to := [+-]timespec | YYYYMMDD | YYYYMMDDHHMMSS | 0x... | "forever"
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*/
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from = xstrdup(timespec);
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to = strchr(from, ':');
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@@ -1951,6 +1966,8 @@ parse_cert_times(char *timespec)
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cert_valid_from = parse_relative_time(from, now);
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else if (strcmp(from, "always") == 0)
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cert_valid_from = 0;
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+ else if (strncmp(from, "0x", 2) == 0)
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+ parse_hex_u64(from, &cert_valid_from);
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else if (parse_absolute_time(from, &cert_valid_from) != 0)
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fatal("Invalid from time \"%s\"", from);
|
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@@ -1958,6 +1975,8 @@ parse_cert_times(char *timespec)
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cert_valid_to = parse_relative_time(to, now);
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else if (strcmp(to, "forever") == 0)
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cert_valid_to = ~(u_int64_t)0;
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+ else if (strncmp(to, "0x", 2) == 0)
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+ parse_hex_u64(to, &cert_valid_to);
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else if (parse_absolute_time(to, &cert_valid_to) != 0)
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fatal("Invalid to time \"%s\"", to);
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diff --git a/sshd.8 b/sshd.8
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index 2b50514e..8ccc5bc0 100644
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--- a/sshd.8
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+++ b/sshd.8
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@@ -533,8 +533,9 @@ controlled via the
|
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option.
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.It Cm expiry-time="timespec"
|
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Specifies a time after which the key will not be accepted.
|
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-The time may be specified as a YYYYMMDD date or a YYYYMMDDHHMM[SS] time
|
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-in the system time-zone.
|
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+The time may be specified as a YYYYMMDD[Z] date or a YYYYMMDDHHMM[SS][Z] time.
|
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+Dates and times will be interpreted in the system time zone unless suffixed
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+by a Z character, in which case they will be interpreted in the UTC time zone.
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.It Cm from="pattern-list"
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Specifies that in addition to public key authentication, either the canonical
|
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name of the remote host or its IP address must be present in the
|
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@ -0,0 +1,292 @@
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diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/dh.c openssh-8.7p1-patched/dh.c
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--- openssh-8.7p1/dh.c 2023-05-25 09:01:23.295627077 +0200
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+++ openssh-8.7p1-patched/dh.c 2023-05-25 09:00:56.519332820 +0200
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@@ -37,6 +37,9 @@
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#include <openssl/bn.h>
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#include <openssl/dh.h>
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#include <openssl/fips.h>
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+#include <openssl/evp.h>
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+#include <openssl/core_names.h>
|
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+#include <openssl/param_build.h>
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#include "dh.h"
|
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#include "pathnames.h"
|
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@@ -290,10 +293,15 @@
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int
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dh_gen_key(DH *dh, int need)
|
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{
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- int pbits;
|
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- const BIGNUM *dh_p, *pub_key;
|
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+ const BIGNUM *dh_p, *dh_g;
|
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+ BIGNUM *pub_key = NULL, *priv_key = NULL;
|
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+ EVP_PKEY *pkey = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
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+ OSSL_PARAM_BLD *param_bld = NULL;
|
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+ OSSL_PARAM *params = NULL;
|
||||
+ int pbits, r = 0;
|
||||
|
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- DH_get0_pqg(dh, &dh_p, NULL, NULL);
|
||||
+ DH_get0_pqg(dh, &dh_p, NULL, &dh_g);
|
||||
|
||||
if (need < 0 || dh_p == NULL ||
|
||||
(pbits = BN_num_bits(dh_p)) <= 0 ||
|
||||
@@ -301,19 +309,85 @@
|
||||
return SSH_ERR_INVALID_ARGUMENT;
|
||||
if (need < 256)
|
||||
need = 256;
|
||||
+
|
||||
+ if ((param_bld = OSSL_PARAM_BLD_new()) == NULL ||
|
||||
+ (ctx = EVP_PKEY_CTX_new_from_name(NULL, "DH", NULL)) == NULL) {
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ return SSH_ERR_ALLOC_FAIL;
|
||||
+ }
|
||||
+
|
||||
+ if (OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_FFC_P, dh_p) != 1 ||
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_FFC_G, dh_g) != 1) {
|
||||
+ error_f("Could not set p,q,g parameters");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
/*
|
||||
* Pollard Rho, Big step/Little Step attacks are O(sqrt(n)),
|
||||
* so double requested need here.
|
||||
*/
|
||||
- if (!DH_set_length(dh, MINIMUM(need * 2, pbits - 1)))
|
||||
- return SSH_ERR_LIBCRYPTO_ERROR;
|
||||
-
|
||||
- if (DH_generate_key(dh) == 0)
|
||||
- return SSH_ERR_LIBCRYPTO_ERROR;
|
||||
- DH_get0_key(dh, &pub_key, NULL);
|
||||
- if (!dh_pub_is_valid(dh, pub_key))
|
||||
- return SSH_ERR_INVALID_FORMAT;
|
||||
- return 0;
|
||||
+ if (OSSL_PARAM_BLD_push_int(param_bld,
|
||||
+ OSSL_PKEY_PARAM_DH_PRIV_LEN,
|
||||
+ MINIMUM(need * 2, pbits - 1)) != 1 ||
|
||||
+ (params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) {
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_fromdata_init(ctx) != 1) {
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_fromdata(ctx, &pkey,
|
||||
+ EVP_PKEY_KEY_PARAMETERS, params) != 1) {
|
||||
+ error_f("Failed key generation");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ /* reuse context for key generation */
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ ctx = NULL;
|
||||
+
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL ||
|
||||
+ EVP_PKEY_keygen_init(ctx) != 1) {
|
||||
+ error_f("Could not create or init context");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_generate(ctx, &pkey) != 1) {
|
||||
+ error_f("Could not generate keys");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_public_check(ctx) != 1) {
|
||||
+ error_f("The public key is incorrect");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ if (EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_PUB_KEY,
|
||||
+ &pub_key) != 1 ||
|
||||
+ EVP_PKEY_get_bn_param(pkey, OSSL_PKEY_PARAM_PRIV_KEY,
|
||||
+ &priv_key) != 1 ||
|
||||
+ DH_set0_key(dh, pub_key, priv_key) != 1) {
|
||||
+ error_f("Could not set pub/priv keys to DH struct");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ /* transferred */
|
||||
+ pub_key = NULL;
|
||||
+ priv_key = NULL;
|
||||
+out:
|
||||
+ OSSL_PARAM_free(params);
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ EVP_PKEY_free(pkey);
|
||||
+ BN_clear_free(pub_key);
|
||||
+ BN_clear_free(priv_key);
|
||||
+ return r;
|
||||
}
|
||||
|
||||
DH *
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/kex.c openssh-8.7p1-patched/kex.c
|
||||
--- openssh-8.7p1/kex.c 2023-05-25 09:01:23.299627122 +0200
|
||||
+++ openssh-8.7p1-patched/kex.c 2023-05-25 09:00:56.519332820 +0200
|
||||
@@ -1603,3 +1603,47 @@
|
||||
return r;
|
||||
}
|
||||
|
||||
+#ifdef WITH_OPENSSL
|
||||
+/*
|
||||
+ * Creates an EVP_PKEY from the given parameters and keys.
|
||||
+ * The private key can be omitted.
|
||||
+ */
|
||||
+int
|
||||
+kex_create_evp_dh(EVP_PKEY **pkey, const BIGNUM *p, const BIGNUM *q,
|
||||
+ const BIGNUM *g, const BIGNUM *pub, const BIGNUM *priv)
|
||||
+{
|
||||
+ OSSL_PARAM_BLD *param_bld = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
+ int r = 0;
|
||||
+
|
||||
+ /* create EVP_PKEY-DH key */
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "DH", NULL)) == NULL ||
|
||||
+ (param_bld = OSSL_PARAM_BLD_new()) == NULL) {
|
||||
+ error_f("EVP_PKEY_CTX or PARAM_BLD init failed");
|
||||
+ r = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_P, p) != 1 ||
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_Q, q) != 1 ||
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_G, g) != 1 ||
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PUB_KEY, pub) != 1) {
|
||||
+ error_f("Failed pushing params to OSSL_PARAM_BLD");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (priv != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PRIV_KEY, priv) != 1) {
|
||||
+ error_f("Failed pushing private key to OSSL_PARAM_BLD");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL)
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+out:
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ return r;
|
||||
+}
|
||||
+#endif /* WITH_OPENSSL */
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/kexdh.c openssh-8.7p1-patched/kexdh.c
|
||||
--- openssh-8.7p1/kexdh.c 2023-05-25 09:01:23.237626425 +0200
|
||||
+++ openssh-8.7p1-patched/kexdh.c 2023-05-25 09:03:21.817957988 +0200
|
||||
@@ -35,6 +35,10 @@
|
||||
|
||||
#include "openbsd-compat/openssl-compat.h"
|
||||
#include <openssl/dh.h>
|
||||
+#include <openssl/err.h>
|
||||
+#include <openssl/evp.h>
|
||||
+#include <openssl/core_names.h>
|
||||
+#include <openssl/param_build.h>
|
||||
|
||||
#include "sshkey.h"
|
||||
#include "kex.h"
|
||||
@@ -83,9 +87,12 @@
|
||||
kex_dh_compute_key(struct kex *kex, BIGNUM *dh_pub, struct sshbuf *out)
|
||||
{
|
||||
BIGNUM *shared_secret = NULL;
|
||||
+ const BIGNUM *pub, *priv, *p, *q, *g;
|
||||
+ EVP_PKEY *pkey = NULL, *dh_pkey = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
u_char *kbuf = NULL;
|
||||
size_t klen = 0;
|
||||
- int kout, r;
|
||||
+ int kout, r = 0;
|
||||
|
||||
#ifdef DEBUG_KEXDH
|
||||
fprintf(stderr, "dh_pub= ");
|
||||
@@ -100,24 +107,59 @@
|
||||
r = SSH_ERR_MESSAGE_INCOMPLETE;
|
||||
goto out;
|
||||
}
|
||||
- klen = DH_size(kex->dh);
|
||||
+
|
||||
+ DH_get0_key(kex->dh, &pub, &priv);
|
||||
+ DH_get0_pqg(kex->dh, &p, &q, &g);
|
||||
+ /* import key */
|
||||
+ r = kex_create_evp_dh(&pkey, p, q, g, pub, priv);
|
||||
+ if (r != 0) {
|
||||
+ error_f("Could not create EVP_PKEY for dh");
|
||||
+ ERR_print_errors_fp(stderr);
|
||||
+ goto out;
|
||||
+ }
|
||||
+ /* import peer key
|
||||
+ * the parameters should be the same as with pkey
|
||||
+ */
|
||||
+ r = kex_create_evp_dh(&dh_pkey, p, q, g, dh_pub, NULL);
|
||||
+ if (r != 0) {
|
||||
+ error_f("Could not import peer key for dh");
|
||||
+ ERR_print_errors_fp(stderr);
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL) {
|
||||
+ error_f("Could not init EVP_PKEY_CTX for dh");
|
||||
+ r = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_derive_init(ctx) != 1 ||
|
||||
+ EVP_PKEY_derive_set_peer(ctx, dh_pkey) != 1 ||
|
||||
+ EVP_PKEY_derive(ctx, NULL, &klen) != 1) {
|
||||
+ error_f("Could not get key size");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
if ((kbuf = malloc(klen)) == NULL ||
|
||||
(shared_secret = BN_new()) == NULL) {
|
||||
r = SSH_ERR_ALLOC_FAIL;
|
||||
goto out;
|
||||
}
|
||||
- if ((kout = DH_compute_key(kbuf, dh_pub, kex->dh)) < 0 ||
|
||||
- BN_bin2bn(kbuf, kout, shared_secret) == NULL) {
|
||||
+ if (EVP_PKEY_derive(ctx, kbuf, &klen) != 1 ||
|
||||
+ BN_bin2bn(kbuf, klen, shared_secret) == NULL) {
|
||||
+ error_f("Could not derive key");
|
||||
r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto out;
|
||||
}
|
||||
#ifdef DEBUG_KEXDH
|
||||
- dump_digest("shared secret", kbuf, kout);
|
||||
+ dump_digest("shared secret", kbuf, klen);
|
||||
#endif
|
||||
r = sshbuf_put_bignum2(out, shared_secret);
|
||||
out:
|
||||
freezero(kbuf, klen);
|
||||
BN_clear_free(shared_secret);
|
||||
+ EVP_PKEY_free(pkey);
|
||||
+ EVP_PKEY_free(dh_pkey);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
return r;
|
||||
}
|
||||
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/kex.h openssh-8.7p1-patched/kex.h
|
||||
--- openssh-8.7p1/kex.h 2023-05-25 09:01:23.299627122 +0200
|
||||
+++ openssh-8.7p1-patched/kex.h 2023-05-25 09:00:56.519332820 +0200
|
||||
@@ -33,6 +33,9 @@
|
||||
# include <openssl/bn.h>
|
||||
# include <openssl/dh.h>
|
||||
# include <openssl/ecdsa.h>
|
||||
+# include <openssl/evp.h>
|
||||
+# include <openssl/core_names.h>
|
||||
+# include <openssl/param_build.h>
|
||||
# ifdef OPENSSL_HAS_ECC
|
||||
# include <openssl/ec.h>
|
||||
# else /* OPENSSL_HAS_ECC */
|
||||
@@ -278,6 +281,8 @@
|
||||
const u_char pub[CURVE25519_SIZE], struct sshbuf *out, int)
|
||||
__attribute__((__bounded__(__minbytes__, 1, CURVE25519_SIZE)))
|
||||
__attribute__((__bounded__(__minbytes__, 2, CURVE25519_SIZE)));
|
||||
+int kex_create_evp_dh(EVP_PKEY **, const BIGNUM *, const BIGNUM *,
|
||||
+ const BIGNUM *, const BIGNUM *, const BIGNUM *);
|
||||
|
||||
#if defined(DEBUG_KEX) || defined(DEBUG_KEXDH) || defined(DEBUG_KEXECDH)
|
||||
void dump_digest(const char *, const u_char *, int);
|
||||
@ -0,0 +1,207 @@
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../openssh-8.7p1/kexecdh.c ./kexecdh.c
|
||||
--- ../openssh-8.7p1/kexecdh.c 2021-08-20 06:03:49.000000000 +0200
|
||||
+++ ./kexecdh.c 2023-04-13 14:30:14.882449593 +0200
|
||||
@@ -35,17 +35,57 @@
|
||||
#include <signal.h>
|
||||
|
||||
#include <openssl/ecdh.h>
|
||||
+#include <openssl/evp.h>
|
||||
+#include <openssl/core_names.h>
|
||||
+#include <openssl/param_build.h>
|
||||
+#include <openssl/err.h>
|
||||
|
||||
#include "sshkey.h"
|
||||
#include "kex.h"
|
||||
#include "sshbuf.h"
|
||||
#include "digest.h"
|
||||
#include "ssherr.h"
|
||||
+#include "log.h"
|
||||
|
||||
static int
|
||||
kex_ecdh_dec_key_group(struct kex *, const struct sshbuf *, EC_KEY *key,
|
||||
const EC_GROUP *, struct sshbuf **);
|
||||
|
||||
+static EC_KEY *
|
||||
+generate_ec_keys(int ec_nid)
|
||||
+{
|
||||
+ EC_KEY *client_key = NULL;
|
||||
+ EVP_PKEY *pkey = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
+ OSSL_PARAM_BLD *param_bld = NULL;
|
||||
+ OSSL_PARAM *params = NULL;
|
||||
+ const char *group_name;
|
||||
+
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL)) == NULL ||
|
||||
+ (param_bld = OSSL_PARAM_BLD_new()) == NULL)
|
||||
+ goto out;
|
||||
+ if ((group_name = OSSL_EC_curve_nid2name(ec_nid)) == NULL ||
|
||||
+ OSSL_PARAM_BLD_push_utf8_string(param_bld,
|
||||
+ OSSL_PKEY_PARAM_GROUP_NAME, group_name, 0) != 1 ||
|
||||
+ (params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) {
|
||||
+ error_f("Could not create OSSL_PARAM");
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_keygen_init(ctx) != 1 ||
|
||||
+ EVP_PKEY_CTX_set_params(ctx, params) != 1 ||
|
||||
+ EVP_PKEY_generate(ctx, &pkey) != 1 ||
|
||||
+ (client_key = EVP_PKEY_get1_EC_KEY(pkey)) == NULL) {
|
||||
+ error_f("Could not generate ec keys");
|
||||
+ goto out;
|
||||
+ }
|
||||
+out:
|
||||
+ EVP_PKEY_free(pkey);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ OSSL_PARAM_free(params);
|
||||
+ return client_key;
|
||||
+}
|
||||
+
|
||||
int
|
||||
kex_ecdh_keypair(struct kex *kex)
|
||||
{
|
||||
@@ -55,11 +95,7 @@
|
||||
struct sshbuf *buf = NULL;
|
||||
int r;
|
||||
|
||||
- if ((client_key = EC_KEY_new_by_curve_name(kex->ec_nid)) == NULL) {
|
||||
- r = SSH_ERR_ALLOC_FAIL;
|
||||
- goto out;
|
||||
- }
|
||||
- if (EC_KEY_generate_key(client_key) != 1) {
|
||||
+ if ((client_key = generate_ec_keys(kex->ec_nid)) == NULL) {
|
||||
r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto out;
|
||||
}
|
||||
@@ -101,11 +137,7 @@
|
||||
*server_blobp = NULL;
|
||||
*shared_secretp = NULL;
|
||||
|
||||
- if ((server_key = EC_KEY_new_by_curve_name(kex->ec_nid)) == NULL) {
|
||||
- r = SSH_ERR_ALLOC_FAIL;
|
||||
- goto out;
|
||||
- }
|
||||
- if (EC_KEY_generate_key(server_key) != 1) {
|
||||
+ if ((server_key = generate_ec_keys(kex->ec_nid)) == NULL) {
|
||||
r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto out;
|
||||
}
|
||||
@@ -140,11 +172,21 @@
|
||||
{
|
||||
struct sshbuf *buf = NULL;
|
||||
BIGNUM *shared_secret = NULL;
|
||||
- EC_POINT *dh_pub = NULL;
|
||||
- u_char *kbuf = NULL;
|
||||
- size_t klen = 0;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
+ EVP_PKEY *pkey = NULL, *dh_pkey = NULL;
|
||||
+ OSSL_PARAM_BLD *param_bld = NULL;
|
||||
+ OSSL_PARAM *params = NULL;
|
||||
+ u_char *kbuf = NULL, *pub = NULL;
|
||||
+ size_t klen = 0, publen;
|
||||
+ const char *group_name;
|
||||
int r;
|
||||
|
||||
+ /* import EC_KEY to EVP_PKEY */
|
||||
+ if ((r = ssh_create_evp_ec(key, kex->ec_nid, &pkey)) != 0) {
|
||||
+ error_f("Could not create EVP_PKEY");
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
*shared_secretp = NULL;
|
||||
|
||||
if ((buf = sshbuf_new()) == NULL) {
|
||||
@@ -153,45 +195,82 @@
|
||||
}
|
||||
if ((r = sshbuf_put_stringb(buf, ec_blob)) != 0)
|
||||
goto out;
|
||||
- if ((dh_pub = EC_POINT_new(group)) == NULL) {
|
||||
+
|
||||
+ /* the public key is in the buffer in octet string UNCOMPRESSED
|
||||
+ * format. See sshbuf_put_ec */
|
||||
+ if ((r = sshbuf_get_string(buf, &pub, &publen)) != 0)
|
||||
+ goto out;
|
||||
+ sshbuf_reset(buf);
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL ||
|
||||
+ (param_bld = OSSL_PARAM_BLD_new()) == NULL) {
|
||||
r = SSH_ERR_ALLOC_FAIL;
|
||||
goto out;
|
||||
}
|
||||
- if ((r = sshbuf_get_ec(buf, dh_pub, group)) != 0) {
|
||||
+ if ((group_name = OSSL_EC_curve_nid2name(kex->ec_nid)) == NULL) {
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (OSSL_PARAM_BLD_push_octet_string(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PUB_KEY, pub, publen) != 1 ||
|
||||
+ OSSL_PARAM_BLD_push_utf8_string(param_bld,
|
||||
+ OSSL_PKEY_PARAM_GROUP_NAME, group_name, 0) != 1 ||
|
||||
+ (params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) {
|
||||
+ error_f("Failed to set params for dh_pkey");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (EVP_PKEY_fromdata_init(ctx) != 1 ||
|
||||
+ EVP_PKEY_fromdata(ctx, &dh_pkey,
|
||||
+ EVP_PKEY_PUBLIC_KEY, params) != 1 ||
|
||||
+ EVP_PKEY_public_check(ctx) != 1) {
|
||||
+ error_f("Peer public key import failed");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto out;
|
||||
}
|
||||
- sshbuf_reset(buf);
|
||||
|
||||
#ifdef DEBUG_KEXECDH
|
||||
fputs("public key:\n", stderr);
|
||||
- sshkey_dump_ec_point(group, dh_pub);
|
||||
+ EVP_PKEY_print_public_fp(stderr, dh_pkey, 0, NULL);
|
||||
#endif
|
||||
- if (sshkey_ec_validate_public(group, dh_pub) != 0) {
|
||||
- r = SSH_ERR_MESSAGE_INCOMPLETE;
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ ctx = NULL;
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_pkey(NULL, pkey, NULL)) == NULL ||
|
||||
+ EVP_PKEY_derive_init(ctx) != 1 ||
|
||||
+ EVP_PKEY_derive_set_peer(ctx, dh_pkey) != 1 ||
|
||||
+ EVP_PKEY_derive(ctx, NULL, &klen) != 1) {
|
||||
+ error_f("Failed to get derive information");
|
||||
+ r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto out;
|
||||
}
|
||||
- klen = (EC_GROUP_get_degree(group) + 7) / 8;
|
||||
- if ((kbuf = malloc(klen)) == NULL ||
|
||||
- (shared_secret = BN_new()) == NULL) {
|
||||
+ if ((kbuf = malloc(klen)) == NULL) {
|
||||
r = SSH_ERR_ALLOC_FAIL;
|
||||
goto out;
|
||||
}
|
||||
- if (ECDH_compute_key(kbuf, klen, dh_pub, key, NULL) != (int)klen ||
|
||||
- BN_bin2bn(kbuf, klen, shared_secret) == NULL) {
|
||||
+ if (EVP_PKEY_derive(ctx, kbuf, &klen) != 1) {
|
||||
r = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto out;
|
||||
}
|
||||
#ifdef DEBUG_KEXECDH
|
||||
dump_digest("shared secret", kbuf, klen);
|
||||
#endif
|
||||
+ if ((shared_secret = BN_new()) == NULL ||
|
||||
+ (BN_bin2bn(kbuf, klen, shared_secret) == NULL)) {
|
||||
+ r = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
if ((r = sshbuf_put_bignum2(buf, shared_secret)) != 0)
|
||||
goto out;
|
||||
*shared_secretp = buf;
|
||||
buf = NULL;
|
||||
out:
|
||||
- EC_POINT_clear_free(dh_pub);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ EVP_PKEY_free(pkey);
|
||||
+ EVP_PKEY_free(dh_pkey);
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ OSSL_PARAM_free(params);
|
||||
BN_clear_free(shared_secret);
|
||||
freezero(kbuf, klen);
|
||||
+ freezero(pub, publen);
|
||||
sshbuf_free(buf);
|
||||
return r;
|
||||
}
|
||||
@ -0,0 +1,468 @@
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/ssh-dss.c ./ssh-dss.c
|
||||
--- ../../openssh-8.7p1/ssh-dss.c 2023-03-08 15:35:14.669943335 +0100
|
||||
+++ ./ssh-dss.c 2023-03-08 15:34:33.508578129 +0100
|
||||
@@ -32,6 +32,8 @@
|
||||
#include <openssl/bn.h>
|
||||
#include <openssl/dsa.h>
|
||||
#include <openssl/evp.h>
|
||||
+#include <openssl/core_names.h>
|
||||
+#include <openssl/param_build.h>
|
||||
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
@@ -72,9 +74,8 @@
|
||||
sshkey_type_plain(key->type) != KEY_DSA)
|
||||
return SSH_ERR_INVALID_ARGUMENT;
|
||||
|
||||
- if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
- EVP_PKEY_set1_DSA(pkey, key->dsa) != 1)
|
||||
- return SSH_ERR_ALLOC_FAIL;
|
||||
+ if ((ret = ssh_create_evp_dss(key, &pkey)) != 0)
|
||||
+ return ret;
|
||||
ret = sshkey_calculate_signature(pkey, SSH_DIGEST_SHA1, &sigb, &len,
|
||||
data, datalen);
|
||||
EVP_PKEY_free(pkey);
|
||||
@@ -201,11 +202,8 @@
|
||||
goto out;
|
||||
}
|
||||
|
||||
- if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
- EVP_PKEY_set1_DSA(pkey, key->dsa) != 1) {
|
||||
- ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ if ((ret = ssh_create_evp_dss(key, &pkey)) != 0)
|
||||
goto out;
|
||||
- }
|
||||
ret = sshkey_verify_signature(pkey, SSH_DIGEST_SHA1, data, datalen,
|
||||
sigb, slen);
|
||||
EVP_PKEY_free(pkey);
|
||||
@@ -221,4 +219,63 @@
|
||||
freezero(sigblob, len);
|
||||
return ret;
|
||||
}
|
||||
+
|
||||
+int
|
||||
+ssh_create_evp_dss(const struct sshkey *k, EVP_PKEY **pkey)
|
||||
+{
|
||||
+ OSSL_PARAM_BLD *param_bld = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
+ const BIGNUM *p = NULL, *q = NULL, *g = NULL, *pub = NULL, *priv = NULL;
|
||||
+ int ret = 0;
|
||||
+
|
||||
+ if (k == NULL)
|
||||
+ return SSH_ERR_INVALID_ARGUMENT;
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "DSA", NULL)) == NULL ||
|
||||
+ (param_bld = OSSL_PARAM_BLD_new()) == NULL) {
|
||||
+ ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ DSA_get0_pqg(k->dsa, &p, &q, &g);
|
||||
+ DSA_get0_key(k->dsa, &pub, &priv);
|
||||
+
|
||||
+ if (p != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_P, p) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (q != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_Q, q) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (g != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_FFC_G, g) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (pub != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PUB_KEY,
|
||||
+ pub) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (priv != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PRIV_KEY,
|
||||
+ priv) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+out:
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ return ret;
|
||||
+}
|
||||
#endif /* WITH_OPENSSL */
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/ssh-ecdsa.c ./ssh-ecdsa.c
|
||||
--- ../../openssh-8.7p1/ssh-ecdsa.c 2023-03-08 15:35:14.669943335 +0100
|
||||
+++ ./ssh-ecdsa.c 2023-03-08 15:40:52.628201267 +0100
|
||||
@@ -34,6 +34,8 @@
|
||||
#include <openssl/ec.h>
|
||||
#include <openssl/ecdsa.h>
|
||||
#include <openssl/evp.h>
|
||||
+#include <openssl/core_names.h>
|
||||
+#include <openssl/param_build.h>
|
||||
|
||||
#include <string.h>
|
||||
|
||||
@@ -72,9 +74,8 @@
|
||||
if ((hash_alg = sshkey_ec_nid_to_hash_alg(key->ecdsa_nid)) == -1)
|
||||
return SSH_ERR_INTERNAL_ERROR;
|
||||
|
||||
- if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
- EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1)
|
||||
- return SSH_ERR_ALLOC_FAIL;
|
||||
+ if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0)
|
||||
+ return ret;
|
||||
ret = sshkey_calculate_signature(pkey, hash_alg, &sigb, &len, data,
|
||||
datalen);
|
||||
EVP_PKEY_free(pkey);
|
||||
@@ -193,11 +194,8 @@
|
||||
goto out;
|
||||
}
|
||||
|
||||
- if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
- EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1) {
|
||||
- ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ if (ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey) != 0)
|
||||
goto out;
|
||||
- }
|
||||
ret = sshkey_verify_signature(pkey, hash_alg, data, datalen, sigb, len);
|
||||
EVP_PKEY_free(pkey);
|
||||
|
||||
@@ -212,4 +210,76 @@
|
||||
return ret;
|
||||
}
|
||||
|
||||
+int
|
||||
+ssh_create_evp_ec(EC_KEY *k, int ecdsa_nid, EVP_PKEY **pkey)
|
||||
+{
|
||||
+ OSSL_PARAM_BLD *param_bld = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
+ BN_CTX *bn_ctx = NULL;
|
||||
+ uint8_t *pub_ser = NULL;
|
||||
+ const char *group_name;
|
||||
+ const EC_POINT *pub = NULL;
|
||||
+ const BIGNUM *priv = NULL;
|
||||
+ int ret = 0;
|
||||
+
|
||||
+ if (k == NULL)
|
||||
+ return SSH_ERR_INVALID_ARGUMENT;
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "EC", NULL)) == NULL ||
|
||||
+ (param_bld = OSSL_PARAM_BLD_new()) == NULL ||
|
||||
+ (bn_ctx = BN_CTX_new()) == NULL) {
|
||||
+ ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ if ((group_name = OSSL_EC_curve_nid2name(ecdsa_nid)) == NULL ||
|
||||
+ OSSL_PARAM_BLD_push_utf8_string(param_bld,
|
||||
+ OSSL_PKEY_PARAM_GROUP_NAME,
|
||||
+ group_name,
|
||||
+ strlen(group_name)) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if ((pub = EC_KEY_get0_public_key(k)) != NULL) {
|
||||
+ const EC_GROUP *group;
|
||||
+ size_t len;
|
||||
+
|
||||
+ group = EC_KEY_get0_group(k);
|
||||
+ len = EC_POINT_point2oct(group, pub,
|
||||
+ POINT_CONVERSION_UNCOMPRESSED, NULL, 0, NULL);
|
||||
+ if ((pub_ser = malloc(len)) == NULL) {
|
||||
+ ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ EC_POINT_point2oct(group,
|
||||
+ pub,
|
||||
+ POINT_CONVERSION_UNCOMPRESSED,
|
||||
+ pub_ser,
|
||||
+ len,
|
||||
+ bn_ctx);
|
||||
+ if (OSSL_PARAM_BLD_push_octet_string(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PUB_KEY,
|
||||
+ pub_ser,
|
||||
+ len) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ }
|
||||
+ if ((priv = EC_KEY_get0_private_key(k)) != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld,
|
||||
+ OSSL_PKEY_PARAM_PRIV_KEY, priv) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+out:
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ BN_CTX_free(bn_ctx);
|
||||
+ free(pub_ser);
|
||||
+ return ret;
|
||||
+}
|
||||
#endif /* WITH_OPENSSL && OPENSSL_HAS_ECC */
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/sshkey.c ./sshkey.c
|
||||
--- ../../openssh-8.7p1/sshkey.c 2023-03-08 15:35:14.702943628 +0100
|
||||
+++ ./sshkey.c 2023-03-08 15:39:03.354082015 +0100
|
||||
@@ -35,6 +35,8 @@
|
||||
#include <openssl/err.h>
|
||||
#include <openssl/pem.h>
|
||||
#include <openssl/fips.h>
|
||||
+#include <openssl/core_names.h>
|
||||
+#include <openssl/param_build.h>
|
||||
#endif
|
||||
|
||||
#include "crypto_api.h"
|
||||
@@ -492,13 +494,14 @@
|
||||
{
|
||||
EVP_MD_CTX *ctx = NULL;
|
||||
u_char *sig = NULL;
|
||||
- int ret, slen, len;
|
||||
+ int ret, slen;
|
||||
+ size_t len;
|
||||
|
||||
if (sigp == NULL || lenp == NULL) {
|
||||
return SSH_ERR_INVALID_ARGUMENT;
|
||||
}
|
||||
|
||||
- slen = EVP_PKEY_size(pkey);
|
||||
+ slen = EVP_PKEY_get_size(pkey);
|
||||
if (slen <= 0 || slen > SSHBUF_MAX_BIGNUM)
|
||||
return SSH_ERR_INVALID_ARGUMENT;
|
||||
|
||||
@@ -511,9 +514,10 @@
|
||||
ret = SSH_ERR_ALLOC_FAIL;
|
||||
goto error;
|
||||
}
|
||||
- if (EVP_SignInit_ex(ctx, ssh_digest_to_md(hash_alg), NULL) <= 0 ||
|
||||
- EVP_SignUpdate(ctx, data, datalen) <= 0 ||
|
||||
- EVP_SignFinal(ctx, sig, &len, pkey) <= 0) {
|
||||
+ if (EVP_DigestSignInit(ctx, NULL, ssh_digest_to_md(hash_alg),
|
||||
+ NULL, pkey) != 1 ||
|
||||
+ EVP_DigestSignUpdate(ctx, data, datalen) != 1 ||
|
||||
+ EVP_DigestSignFinal(ctx, sig, &len) != 1) {
|
||||
ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto error;
|
||||
}
|
||||
@@ -540,12 +544,13 @@
|
||||
if ((ctx = EVP_MD_CTX_new()) == NULL) {
|
||||
return SSH_ERR_ALLOC_FAIL;
|
||||
}
|
||||
- if (EVP_VerifyInit_ex(ctx, ssh_digest_to_md(hash_alg), NULL) <= 0 ||
|
||||
- EVP_VerifyUpdate(ctx, data, datalen) <= 0) {
|
||||
+ if (EVP_DigestVerifyInit(ctx, NULL, ssh_digest_to_md(hash_alg),
|
||||
+ NULL, pkey) != 1 ||
|
||||
+ EVP_DigestVerifyUpdate(ctx, data, datalen) != 1) {
|
||||
ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
goto done;
|
||||
}
|
||||
- ret = EVP_VerifyFinal(ctx, sigbuf, siglen, pkey);
|
||||
+ ret = EVP_DigestVerifyFinal(ctx, sigbuf, siglen);
|
||||
switch (ret) {
|
||||
case 1:
|
||||
ret = 0;
|
||||
@@ -5038,3 +5043,27 @@
|
||||
return 0;
|
||||
}
|
||||
#endif /* WITH_XMSS */
|
||||
+
|
||||
+#ifdef WITH_OPENSSL
|
||||
+EVP_PKEY *
|
||||
+sshkey_create_evp(OSSL_PARAM_BLD *param_bld, EVP_PKEY_CTX *ctx)
|
||||
+{
|
||||
+ EVP_PKEY *ret = NULL;
|
||||
+ OSSL_PARAM *params = NULL;
|
||||
+ if (param_bld == NULL || ctx == NULL) {
|
||||
+ debug2_f("param_bld or ctx is NULL");
|
||||
+ return NULL;
|
||||
+ }
|
||||
+ if ((params = OSSL_PARAM_BLD_to_param(param_bld)) == NULL) {
|
||||
+ debug2_f("Could not build param list");
|
||||
+ return NULL;
|
||||
+ }
|
||||
+ if (EVP_PKEY_fromdata_init(ctx) != 1 ||
|
||||
+ EVP_PKEY_fromdata(ctx, &ret, EVP_PKEY_KEYPAIR, params) != 1) {
|
||||
+ debug2_f("EVP_PKEY_fromdata failed");
|
||||
+ OSSL_PARAM_free(params);
|
||||
+ return NULL;
|
||||
+ }
|
||||
+ return ret;
|
||||
+}
|
||||
+#endif /* WITH_OPENSSL */
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/sshkey.h ./sshkey.h
|
||||
--- ../../openssh-8.7p1/sshkey.h 2023-03-08 15:35:14.702943628 +0100
|
||||
+++ ./sshkey.h 2023-03-08 15:34:33.509578138 +0100
|
||||
@@ -31,6 +31,9 @@
|
||||
#ifdef WITH_OPENSSL
|
||||
#include <openssl/rsa.h>
|
||||
#include <openssl/dsa.h>
|
||||
+#include <openssl/evp.h>
|
||||
+#include <openssl/param_build.h>
|
||||
+#include <openssl/core_names.h>
|
||||
# ifdef OPENSSL_HAS_ECC
|
||||
# include <openssl/ec.h>
|
||||
# include <openssl/ecdsa.h>
|
||||
@@ -293,6 +295,13 @@
|
||||
|
||||
void sshkey_sig_details_free(struct sshkey_sig_details *);
|
||||
|
||||
+#ifdef WITH_OPENSSL
|
||||
+EVP_PKEY *sshkey_create_evp(OSSL_PARAM_BLD *, EVP_PKEY_CTX *);
|
||||
+int ssh_create_evp_dss(const struct sshkey *, EVP_PKEY **);
|
||||
+int ssh_create_evp_rsa(const struct sshkey *, EVP_PKEY **);
|
||||
+int ssh_create_evp_ec(EC_KEY *, int, EVP_PKEY **);
|
||||
+#endif /* WITH_OPENSSL */
|
||||
+
|
||||
#ifdef SSHKEY_INTERNAL
|
||||
int ssh_rsa_sign(const struct sshkey *key,
|
||||
u_char **sigp, size_t *lenp, const u_char *data, size_t datalen,
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac ../../openssh-8.7p1/ssh-rsa.c ./ssh-rsa.c
|
||||
--- ../../openssh-8.7p1/ssh-rsa.c 2023-03-08 15:35:14.669943335 +0100
|
||||
+++ ./ssh-rsa.c 2023-03-08 15:34:33.509578138 +0100
|
||||
@@ -23,6 +23,8 @@
|
||||
|
||||
#include <openssl/evp.h>
|
||||
#include <openssl/err.h>
|
||||
+#include <openssl/core_names.h>
|
||||
+#include <openssl/param_build.h>
|
||||
|
||||
#include <stdarg.h>
|
||||
#include <string.h>
|
||||
@@ -172,9 +174,8 @@
|
||||
if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE)
|
||||
return SSH_ERR_KEY_LENGTH;
|
||||
|
||||
- if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
- EVP_PKEY_set1_RSA(pkey, key->rsa) != 1)
|
||||
- return SSH_ERR_ALLOC_FAIL;
|
||||
+ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0)
|
||||
+ return ret;
|
||||
ret = sshkey_calculate_signature(pkey, hash_alg, &sig, &len, data,
|
||||
datalen);
|
||||
EVP_PKEY_free(pkey);
|
||||
@@ -285,11 +286,8 @@
|
||||
len = modlen;
|
||||
}
|
||||
|
||||
- if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
- EVP_PKEY_set1_RSA(pkey, key->rsa) != 1) {
|
||||
- ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0)
|
||||
goto out;
|
||||
- }
|
||||
ret = openssh_RSA_verify(hash_alg, data, datalen, sigblob, len, pkey);
|
||||
EVP_PKEY_free(pkey);
|
||||
|
||||
@@ -306,11 +304,9 @@
|
||||
u_char *sigbuf, size_t siglen, EVP_PKEY *pkey)
|
||||
{
|
||||
size_t rsasize = 0;
|
||||
- const RSA *rsa;
|
||||
int ret;
|
||||
|
||||
- rsa = EVP_PKEY_get0_RSA(pkey);
|
||||
- rsasize = RSA_size(rsa);
|
||||
+ rsasize = EVP_PKEY_get_size(pkey);
|
||||
if (rsasize <= 0 || rsasize > SSHBUF_MAX_BIGNUM ||
|
||||
siglen == 0 || siglen > rsasize) {
|
||||
ret = SSH_ERR_INVALID_ARGUMENT;
|
||||
@@ -323,4 +319,87 @@
|
||||
done:
|
||||
return ret;
|
||||
}
|
||||
+
|
||||
+int
|
||||
+ssh_create_evp_rsa(const struct sshkey *k, EVP_PKEY **pkey)
|
||||
+{
|
||||
+ OSSL_PARAM_BLD *param_bld = NULL;
|
||||
+ EVP_PKEY_CTX *ctx = NULL;
|
||||
+ int ret = 0;
|
||||
+ const BIGNUM *n = NULL, *e = NULL, *d = NULL, *p = NULL, *q = NULL;
|
||||
+ const BIGNUM *dmp1 = NULL, *dmq1 = NULL, *iqmp = NULL;
|
||||
+
|
||||
+ if (k == NULL)
|
||||
+ return SSH_ERR_INVALID_ARGUMENT;
|
||||
+ if ((ctx = EVP_PKEY_CTX_new_from_name(NULL, "RSA", NULL)) == NULL ||
|
||||
+ (param_bld = OSSL_PARAM_BLD_new()) == NULL) {
|
||||
+ ret = SSH_ERR_ALLOC_FAIL;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ RSA_get0_key(k->rsa, &n, &e, &d);
|
||||
+ RSA_get0_factors(k->rsa, &p, &q);
|
||||
+ RSA_get0_crt_params(k->rsa, &dmp1, &dmq1, &iqmp);
|
||||
+
|
||||
+ if (n != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_RSA_N, n) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (e != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_RSA_E, e) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (d != NULL &&
|
||||
+ OSSL_PARAM_BLD_push_BN(param_bld, OSSL_PKEY_PARAM_RSA_D, d) != 1) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ if ((*pkey = sshkey_create_evp(param_bld, ctx)) == NULL) {
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+ /* setting this to param_build makes the creation process fail */
|
||||
+ if (p != NULL &&
|
||||
+ EVP_PKEY_set_bn_param(*pkey, OSSL_PKEY_PARAM_RSA_FACTOR1, p) != 1) {
|
||||
+ debug2_f("failed to add 'p' param");
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (q != NULL &&
|
||||
+ EVP_PKEY_set_bn_param(*pkey, OSSL_PKEY_PARAM_RSA_FACTOR2, q) != 1) {
|
||||
+ debug2_f("failed to add 'q' param");
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (dmp1 != NULL &&
|
||||
+ EVP_PKEY_set_bn_param(*pkey,
|
||||
+ OSSL_PKEY_PARAM_RSA_EXPONENT1, dmp1) != 1) {
|
||||
+ debug2_f("failed to add 'dmp1' param");
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (dmq1 != NULL &&
|
||||
+ EVP_PKEY_set_bn_param(*pkey,
|
||||
+ OSSL_PKEY_PARAM_RSA_EXPONENT2, dmq1) != 1) {
|
||||
+ debug2_f("failed to add 'dmq1' param");
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+ if (iqmp != NULL &&
|
||||
+ EVP_PKEY_set_bn_param(*pkey,
|
||||
+ OSSL_PKEY_PARAM_RSA_COEFFICIENT1, iqmp) != 1) {
|
||||
+ debug2_f("failed to add 'iqmp' param");
|
||||
+ ret = SSH_ERR_LIBCRYPTO_ERROR;
|
||||
+ goto out;
|
||||
+ }
|
||||
+
|
||||
+out:
|
||||
+ OSSL_PARAM_BLD_free(param_bld);
|
||||
+ EVP_PKEY_CTX_free(ctx);
|
||||
+ return ret;
|
||||
+}
|
||||
#endif /* WITH_OPENSSL */
|
||||
@ -0,0 +1,131 @@
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-ecdsa.c openssh-8.7p1-patched/ssh-ecdsa.c
|
||||
--- openssh-8.7p1/ssh-ecdsa.c 2023-05-24 09:39:45.002631174 +0200
|
||||
+++ openssh-8.7p1-patched/ssh-ecdsa.c 2023-05-24 09:09:34.400853951 +0200
|
||||
@@ -74,8 +74,18 @@
|
||||
if ((hash_alg = sshkey_ec_nid_to_hash_alg(key->ecdsa_nid)) == -1)
|
||||
return SSH_ERR_INTERNAL_ERROR;
|
||||
|
||||
- if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0)
|
||||
- return ret;
|
||||
+#ifdef ENABLE_PKCS11
|
||||
+ if (is_ecdsa_pkcs11(key->ecdsa)) {
|
||||
+ if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
+ EVP_PKEY_set1_EC_KEY(pkey, key->ecdsa) != 1)
|
||||
+ return SSH_ERR_ALLOC_FAIL;
|
||||
+ } else {
|
||||
+#endif
|
||||
+ if ((ret = ssh_create_evp_ec(key->ecdsa, key->ecdsa_nid, &pkey)) != 0)
|
||||
+ return ret;
|
||||
+#ifdef ENABLE_PKCS11
|
||||
+ }
|
||||
+#endif
|
||||
ret = sshkey_calculate_signature(pkey, hash_alg, &sigb, &len, data,
|
||||
datalen);
|
||||
EVP_PKEY_free(pkey);
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11.c openssh-8.7p1-patched/ssh-pkcs11.c
|
||||
--- openssh-8.7p1/ssh-pkcs11.c 2023-05-24 09:39:44.950630607 +0200
|
||||
+++ openssh-8.7p1-patched/ssh-pkcs11.c 2023-05-24 09:33:59.153866357 +0200
|
||||
@@ -775,8 +775,24 @@
|
||||
|
||||
return (0);
|
||||
}
|
||||
+
|
||||
+int
|
||||
+is_ecdsa_pkcs11(EC_KEY *ecdsa)
|
||||
+{
|
||||
+ if (EC_KEY_get_ex_data(ecdsa, ec_key_idx) != NULL)
|
||||
+ return 1;
|
||||
+ return 0;
|
||||
+}
|
||||
#endif /* HAVE_EC_KEY_METHOD_NEW */
|
||||
|
||||
+int
|
||||
+is_rsa_pkcs11(RSA *rsa)
|
||||
+{
|
||||
+ if (RSA_get_ex_data(rsa, rsa_idx) != NULL)
|
||||
+ return 1;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
/* remove trailing spaces */
|
||||
static void
|
||||
rmspace(u_char *buf, size_t len)
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11-client.c openssh-8.7p1-patched/ssh-pkcs11-client.c
|
||||
--- openssh-8.7p1/ssh-pkcs11-client.c 2023-05-24 09:39:44.950630607 +0200
|
||||
+++ openssh-8.7p1-patched/ssh-pkcs11-client.c 2023-05-24 09:31:16.139092673 +0200
|
||||
@@ -225,8 +225,36 @@
|
||||
static RSA_METHOD *helper_rsa;
|
||||
#ifdef HAVE_EC_KEY_METHOD_NEW
|
||||
static EC_KEY_METHOD *helper_ecdsa;
|
||||
+
|
||||
+int
|
||||
+is_ecdsa_pkcs11(EC_KEY *ecdsa)
|
||||
+{
|
||||
+ const EC_KEY_METHOD *meth;
|
||||
+ ECDSA_SIG *(*sign_sig)(const unsigned char *dgst, int dgstlen,
|
||||
+ const BIGNUM *kinv, const BIGNUM *rp, EC_KEY *eckey) = NULL;
|
||||
+
|
||||
+ meth = EC_KEY_get_method(ecdsa);
|
||||
+ EC_KEY_METHOD_get_sign(meth, NULL, NULL, &sign_sig);
|
||||
+ if (sign_sig == ecdsa_do_sign)
|
||||
+ return 1;
|
||||
+ return 0;
|
||||
+}
|
||||
#endif /* HAVE_EC_KEY_METHOD_NEW */
|
||||
|
||||
+int
|
||||
+is_rsa_pkcs11(RSA *rsa)
|
||||
+{
|
||||
+ const RSA_METHOD *meth;
|
||||
+ int (*priv_enc)(int flen, const unsigned char *from,
|
||||
+ unsigned char *to, RSA *rsa, int padding) = NULL;
|
||||
+
|
||||
+ meth = RSA_get_method(rsa);
|
||||
+ priv_enc = RSA_meth_get_priv_enc(meth);
|
||||
+ if (priv_enc == rsa_encrypt)
|
||||
+ return 1;
|
||||
+ return 0;
|
||||
+}
|
||||
+
|
||||
/* redirect private key crypto operations to the ssh-pkcs11-helper */
|
||||
static void
|
||||
wrap_key(struct sshkey *k)
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-pkcs11.h openssh-8.7p1-patched/ssh-pkcs11.h
|
||||
--- openssh-8.7p1/ssh-pkcs11.h 2023-05-24 09:39:44.950630607 +0200
|
||||
+++ openssh-8.7p1-patched/ssh-pkcs11.h 2023-05-24 09:36:49.055714975 +0200
|
||||
@@ -39,6 +39,11 @@
|
||||
u_int32_t *);
|
||||
#endif
|
||||
|
||||
+#ifdef HAVE_EC_KEY_METHOD_NEW
|
||||
+int is_ecdsa_pkcs11(EC_KEY *ecdsa);
|
||||
+#endif
|
||||
+int is_rsa_pkcs11(RSA *rsa);
|
||||
+
|
||||
#if !defined(WITH_OPENSSL) && defined(ENABLE_PKCS11)
|
||||
#undef ENABLE_PKCS11
|
||||
#endif
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh-rsa.c openssh-8.7p1-patched/ssh-rsa.c
|
||||
--- openssh-8.7p1/ssh-rsa.c 2023-05-24 09:39:45.003631184 +0200
|
||||
+++ openssh-8.7p1-patched/ssh-rsa.c 2023-05-24 09:31:37.019319860 +0200
|
||||
@@ -174,8 +174,18 @@
|
||||
if (RSA_bits(key->rsa) < SSH_RSA_MINIMUM_MODULUS_SIZE)
|
||||
return SSH_ERR_KEY_LENGTH;
|
||||
|
||||
- if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0)
|
||||
- return ret;
|
||||
+#ifdef ENABLE_PKCS11
|
||||
+ if (is_rsa_pkcs11(key->rsa)) {
|
||||
+ if ((pkey = EVP_PKEY_new()) == NULL ||
|
||||
+ EVP_PKEY_set1_RSA(pkey, key->rsa) != 1)
|
||||
+ return SSH_ERR_ALLOC_FAIL;
|
||||
+ } else {
|
||||
+#endif
|
||||
+ if ((ret = ssh_create_evp_rsa(key, &pkey)) != 0)
|
||||
+ return ret;
|
||||
+#ifdef ENABLE_PKCS11
|
||||
+ }
|
||||
+#endif
|
||||
ret = sshkey_calculate_signature(pkey, hash_alg, &sig, &len, data,
|
||||
datalen);
|
||||
EVP_PKEY_free(pkey);
|
||||
@ -0,0 +1,31 @@
|
||||
diff --color -ru -x regress -x autom4te.cache -x '*.o' -x '*.lo' -x Makefile -x config.status -x configure~ -x configure.ac openssh-8.7p1/ssh_config.5 openssh-8.7p1-patched/ssh_config.5
|
||||
--- openssh-8.7p1/ssh_config.5 2023-06-02 09:14:40.279373577 +0200
|
||||
+++ openssh-8.7p1-patched/ssh_config.5 2023-05-30 16:01:04.533848172 +0200
|
||||
@@ -989,6 +989,17 @@
|
||||
.Pp
|
||||
The list of available signature algorithms may also be obtained using
|
||||
.Qq ssh -Q HostKeyAlgorithms .
|
||||
+.Pp
|
||||
+The proposed
|
||||
+.Cm HostKeyAlgorithms
|
||||
+during KEX are limited to the set of algorithms that is defined in
|
||||
+.Cm PubkeyAcceptedAlgorithms
|
||||
+and therefore they are indirectly affected by system-wide
|
||||
+.Xr crypto_policies 7 .
|
||||
+.Xr crypto_policies 7 can not handle the list of host key algorithms directly as doing so
|
||||
+would break the order given by the
|
||||
+.Pa known_hosts
|
||||
+file.
|
||||
.It Cm HostKeyAlias
|
||||
Specifies an alias that should be used instead of the
|
||||
real host name when looking up or saving the host key
|
||||
@@ -1564,6 +1575,9 @@
|
||||
.Pp
|
||||
The list of available signature algorithms may also be obtained using
|
||||
.Qq ssh -Q PubkeyAcceptedAlgorithms .
|
||||
+.Pp
|
||||
+This option affects also
|
||||
+.Cm HostKeyAlgorithms
|
||||
.It Cm PubkeyAuthentication
|
||||
Specifies whether to try public key authentication.
|
||||
The argument to this keyword must be
|
||||
@ -0,0 +1,17 @@
|
||||
diff --git a/ssh-pkcs11.c b/ssh-pkcs11.c
|
||||
index 6be647ec..ebddf6c3 100644
|
||||
--- a/ssh-pkcs11.c
|
||||
+++ b/ssh-pkcs11.c
|
||||
@@ -1537,10 +1537,8 @@ pkcs11_register_provider(char *provider_id, char *pin,
|
||||
error("dlopen %s failed: %s", provider_module, dlerror());
|
||||
goto fail;
|
||||
}
|
||||
- if ((getfunctionlist = dlsym(handle, "C_GetFunctionList")) == NULL) {
|
||||
- error("dlsym(C_GetFunctionList) failed: %s", dlerror());
|
||||
- goto fail;
|
||||
- }
|
||||
+ if ((getfunctionlist = dlsym(handle, "C_GetFunctionList")) == NULL)
|
||||
+ fatal("dlsym(C_GetFunctionList) failed: %s", dlerror());
|
||||
|
||||
p->module->handle = handle;
|
||||
/* setup the pkcs11 callbacks */
|
||||
Loading…
Reference in new issue