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224 lines
8.5 KiB
224 lines
8.5 KiB
2 years ago
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diff -up openssl-3.0.0/providers/fips/self_test.c.embed-hmac openssl-3.0.0/providers/fips/self_test.c
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--- openssl-3.0.0/providers/fips/self_test.c.embed-hmac 2021-11-16 13:57:05.127171056 +0100
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+++ openssl-3.0.0/providers/fips/self_test.c 2021-11-16 14:07:21.963412455 +0100
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@@ -171,11 +171,27 @@ DEP_FINI_ATTRIBUTE void cleanup(void)
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}
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#endif
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+#define HMAC_LEN 32
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+/*
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+ * The __attribute__ ensures we've created the .rodata1 section
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+ * static ensures it's zero filled
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+*/
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+static const unsigned char __attribute__ ((section (".rodata1"))) fips_hmac_container[HMAC_LEN] = {0};
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+
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/*
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* Calculate the HMAC SHA256 of data read using a BIO and read_cb, and verify
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* the result matches the expected value.
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* Return 1 if verified, or 0 if it fails.
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*/
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+#ifndef __USE_GNU
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+#define __USE_GNU
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+#include <dlfcn.h>
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+#undef __USE_GNU
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+#else
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+#include <dlfcn.h>
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+#endif
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+#include <link.h>
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+
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static int verify_integrity(OSSL_CORE_BIO *bio, OSSL_FUNC_BIO_read_ex_fn read_ex_cb,
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unsigned char *expected, size_t expected_len,
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OSSL_LIB_CTX *libctx, OSSL_SELF_TEST *ev,
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@@ -183,14 +199,26 @@ static int verify_integrity(OSSL_CORE_BI
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{
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int ret = 0, status;
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unsigned char out[MAX_MD_SIZE];
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- unsigned char buf[INTEGRITY_BUF_SIZE];
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+ unsigned char buf[INTEGRITY_BUF_SIZE+HMAC_LEN];
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size_t bytes_read = 0, out_len = 0;
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EVP_MAC *mac = NULL;
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EVP_MAC_CTX *ctx = NULL;
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OSSL_PARAM params[2], *p = params;
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+ Dl_info info;
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+ void *extra_info = NULL;
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+ struct link_map *lm = NULL;
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+ unsigned long paddr;
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+ unsigned long off = 0;
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+ int have_rest = 0;
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OSSL_SELF_TEST_onbegin(ev, event_type, OSSL_SELF_TEST_DESC_INTEGRITY_HMAC);
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+ if (!dladdr1 ((const void *)fips_hmac_container,
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+ &info, &extra_info, RTLD_DL_LINKMAP))
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+ goto err;
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+ lm = extra_info;
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+ paddr = (unsigned long)fips_hmac_container - lm->l_addr;
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+
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mac = EVP_MAC_fetch(libctx, MAC_NAME, NULL);
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if (mac == NULL)
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goto err;
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@@ -204,12 +233,53 @@ static int verify_integrity(OSSL_CORE_BI
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if (!EVP_MAC_init(ctx, fixed_key, sizeof(fixed_key), params))
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goto err;
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+ status = read_ex_cb(bio, buf, HMAC_LEN, &bytes_read);
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+ if (status != 1 || bytes_read != HMAC_LEN)
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+ goto err;
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+ off += HMAC_LEN;
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+
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while (1) {
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- status = read_ex_cb(bio, buf, sizeof(buf), &bytes_read);
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- if (status != 1)
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+ status = read_ex_cb(bio, buf+HMAC_LEN, INTEGRITY_BUF_SIZE, &bytes_read);
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+ if (status != 1) {
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+ have_rest = 1;
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+ break;
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+ }
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+
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+ if (bytes_read == INTEGRITY_BUF_SIZE) { /* Full block */
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+ /* Logic:
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+ * We have HMAC_LEN (read before) + INTEGRITY_BUF_SIZE (read now) in buffer
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+ * We calculate HMAC from first INTEGRITY_BUF_SIZE bytes
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+ * and move last HMAC_LEN bytes to the beginning of the buffer
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+ *
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+ * If we have read (a part of) buffer fips_hmac_container
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+ * we should replace it with zeros.
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+ * If it is inside our current buffer, we will update now.
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+ * If it intersects the upper bound, we will clean up on the next step.
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+ */
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+ if (off - HMAC_LEN <= paddr && paddr <= off + bytes_read)
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+ memset (buf + HMAC_LEN + paddr - off, 0, HMAC_LEN);
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+ off += bytes_read;
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+
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+ if (!EVP_MAC_update(ctx, buf, bytes_read))
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+ goto err;
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+ memcpy (buf, buf+INTEGRITY_BUF_SIZE, HMAC_LEN);
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+ } else { /* Final block */
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+ /* Logic is basically the same as in previous branch
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+ * but we calculate HMAC from HMAC_LEN (rest of previous step)
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+ * and bytes_read read on this step
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+ * */
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+ if (off - HMAC_LEN <= paddr && paddr <= off + bytes_read)
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+ memset (buf + HMAC_LEN + paddr - off, 0, HMAC_LEN);
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+ if (!EVP_MAC_update(ctx, buf, bytes_read+HMAC_LEN))
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+ goto err;
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+ off += bytes_read;
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break;
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- if (!EVP_MAC_update(ctx, buf, bytes_read))
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+ }
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+ }
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+ if (have_rest) {
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+ if (!EVP_MAC_update(ctx, buf, HMAC_LEN))
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goto err;
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+ off += HMAC_LEN;
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}
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if (!EVP_MAC_final(ctx, out, &out_len, sizeof(out)))
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goto err;
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@@ -284,8 +358,7 @@ int SELF_TEST_post(SELF_TEST_POST_PARAMS
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CRYPTO_THREAD_unlock(fips_state_lock);
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}
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- if (st == NULL
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- || st->module_checksum_data == NULL) {
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+ if (st == NULL) {
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ERR_raise(ERR_LIB_PROV, PROV_R_MISSING_CONFIG_DATA);
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goto end;
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}
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@@ -294,8 +367,9 @@ int SELF_TEST_post(SELF_TEST_POST_PARAMS
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if (ev == NULL)
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goto end;
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- module_checksum = OPENSSL_hexstr2buf(st->module_checksum_data,
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- &checksum_len);
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+ module_checksum = fips_hmac_container;
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+ checksum_len = sizeof(fips_hmac_container);
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+
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if (module_checksum == NULL) {
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ERR_raise(ERR_LIB_PROV, PROV_R_INVALID_CONFIG_DATA);
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goto end;
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@@ -357,7 +431,6 @@ int SELF_TEST_post(SELF_TEST_POST_PARAMS
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ok = 1;
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end:
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OSSL_SELF_TEST_free(ev);
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- OPENSSL_free(module_checksum);
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OPENSSL_free(indicator_checksum);
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if (st != NULL) {
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diff -ruN openssl-3.0.0/test/recipes/00-prep_fipsmodule_cnf.t openssl-3.0.0-xxx/test/recipes/00-prep_fipsmodule_cnf.t
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--- openssl-3.0.0/test/recipes/00-prep_fipsmodule_cnf.t 2021-09-07 13:46:32.000000000 +0200
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+++ openssl-3.0.0-xxx/test/recipes/00-prep_fipsmodule_cnf.t 2021-11-18 09:39:53.386817874 +0100
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@@ -20,7 +20,7 @@
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use lib bldtop_dir('.');
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use platform;
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-my $no_check = disabled("fips");
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+my $no_check = 1;
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plan skip_all => "FIPS module config file only supported in a fips build"
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if $no_check;
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diff -ruN openssl-3.0.0/test/recipes/01-test_fipsmodule_cnf.t openssl-3.0.0-xxx/test/recipes/01-test_fipsmodule_cnf.t
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--- openssl-3.0.0/test/recipes/01-test_fipsmodule_cnf.t 2021-09-07 13:46:32.000000000 +0200
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+++ openssl-3.0.0-xxx/test/recipes/01-test_fipsmodule_cnf.t 2021-11-18 09:59:02.315619486 +0100
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@@ -23,7 +23,7 @@
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use lib bldtop_dir('.');
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use platform;
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-my $no_check = disabled("fips");
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+my $no_check = 1;
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plan skip_all => "Test only supported in a fips build"
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if $no_check;
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plan tests => 1;
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diff -ruN openssl-3.0.0/test/recipes/03-test_fipsinstall.t openssl-3.0.0-xxx/test/recipes/03-test_fipsinstall.t
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--- openssl-3.0.0/test/recipes/03-test_fipsinstall.t 2021-09-07 13:46:32.000000000 +0200
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+++ openssl-3.0.0-xxx/test/recipes/03-test_fipsinstall.t 2021-11-18 09:59:55.365072074 +0100
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@@ -22,7 +22,7 @@
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use lib bldtop_dir('.');
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use platform;
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-plan skip_all => "Test only supported in a fips build" if disabled("fips");
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+plan skip_all => "Test only supported in a fips build" if 1;
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plan tests => 29;
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diff -ruN openssl-3.0.0/test/recipes/30-test_defltfips.t openssl-3.0.0-xxx/test/recipes/30-test_defltfips.t
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--- openssl-3.0.0/test/recipes/30-test_defltfips.t 2021-09-07 13:46:32.000000000 +0200
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+++ openssl-3.0.0-xxx/test/recipes/30-test_defltfips.t 2021-11-18 10:22:54.179659682 +0100
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@@ -21,7 +21,7 @@
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use lib srctop_dir('Configurations');
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use lib bldtop_dir('.');
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-my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
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+my $no_fips = 1; #disabled('fips') || ($ENV{NO_FIPS} // 0);
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plan tests =>
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($no_fips ? 1 : 5);
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diff -ruN openssl-3.0.0/test/recipes/80-test_ssl_new.t openssl-3.0.0-xxx/test/recipes/80-test_ssl_new.t
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--- openssl-3.0.0/test/recipes/80-test_ssl_new.t 2021-09-07 13:46:32.000000000 +0200
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+++ openssl-3.0.0-xxx/test/recipes/80-test_ssl_new.t 2021-11-18 10:18:53.391721164 +0100
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@@ -23,7 +23,7 @@
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use lib srctop_dir('Configurations');
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use lib bldtop_dir('.');
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-my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
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+my $no_fips = 1; #disabled('fips') || ($ENV{NO_FIPS} // 0);
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$ENV{TEST_CERTS_DIR} = srctop_dir("test", "certs");
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diff -ruN openssl-3.0.0/test/recipes/90-test_sslapi.t openssl-3.0.0-xxx/test/recipes/90-test_sslapi.t
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--- openssl-3.0.0/test/recipes/90-test_sslapi.t 2021-11-18 10:32:17.734196705 +0100
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+++ openssl-3.0.0-xxx/test/recipes/90-test_sslapi.t 2021-11-18 10:18:30.695538445 +0100
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@@ -18,7 +18,7 @@
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use lib srctop_dir('Configurations');
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use lib bldtop_dir('.');
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-my $no_fips = disabled('fips') || ($ENV{NO_FIPS} // 0);
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+my $no_fips = 1; #disabled('fips') || ($ENV{NO_FIPS} // 0);
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plan skip_all => "No TLS/SSL protocols are supported by this OpenSSL build"
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if alldisabled(grep { $_ ne "ssl3" } available_protocols("tls"));
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--- /dev/null 2021-11-16 15:27:32.915000000 +0100
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+++ openssl-3.0.0/test/fipsmodule.cnf 2021-11-18 11:15:34.538060408 +0100
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@@ -0,0 +1,2 @@
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+[fips_sect]
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+activate = 1
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