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171 lines
6.4 KiB
171 lines
6.4 KiB
diff -up openssl-1.1.1g/crypto/fips/fips_drbg_lib.c.rewire-fips-drbg openssl-1.1.1g/crypto/fips/fips_drbg_lib.c
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--- openssl-1.1.1g/crypto/fips/fips_drbg_lib.c.rewire-fips-drbg 2020-06-22 13:32:47.611852927 +0200
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+++ openssl-1.1.1g/crypto/fips/fips_drbg_lib.c 2020-06-22 13:32:47.675852917 +0200
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@@ -337,6 +337,19 @@ static int drbg_reseed(DRBG_CTX *dctx,
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int FIPS_drbg_reseed(DRBG_CTX *dctx,
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const unsigned char *adin, size_t adinlen)
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{
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+ int len = (int)adinlen;
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+
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+ if (len < 0 || (size_t)len != adinlen) {
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+ FIPSerr(FIPS_F_DRBG_RESEED, FIPS_R_ADDITIONAL_INPUT_TOO_LONG);
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+ return 0;
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+ }
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+ RAND_seed(adin, len);
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+ return 1;
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+}
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+
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+int FIPS_drbg_reseed_internal(DRBG_CTX *dctx,
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+ const unsigned char *adin, size_t adinlen)
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+{
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return drbg_reseed(dctx, adin, adinlen, 1);
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}
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@@ -358,6 +371,19 @@ int FIPS_drbg_generate(DRBG_CTX *dctx, u
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int prediction_resistance,
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const unsigned char *adin, size_t adinlen)
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{
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+ int len = (int)outlen;
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+
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+ if (len < 0 || (size_t)len != outlen) {
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+ FIPSerr(FIPS_F_FIPS_DRBG_GENERATE, FIPS_R_REQUEST_TOO_LARGE_FOR_DRBG);
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+ return 0;
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+ }
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+ return RAND_bytes(out, len);
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+}
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+
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+int FIPS_drbg_generate_internal(DRBG_CTX *dctx, unsigned char *out, size_t outlen,
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+ int prediction_resistance,
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+ const unsigned char *adin, size_t adinlen)
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+{
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int r = 0;
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if (FIPS_selftest_failed()) {
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diff -up openssl-1.1.1g/crypto/fips/fips_drbg_rand.c.rewire-fips-drbg openssl-1.1.1g/crypto/fips/fips_drbg_rand.c
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--- openssl-1.1.1g/crypto/fips/fips_drbg_rand.c.rewire-fips-drbg 2020-06-22 13:32:47.611852927 +0200
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+++ openssl-1.1.1g/crypto/fips/fips_drbg_rand.c 2020-06-22 13:32:47.675852917 +0200
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@@ -57,6 +57,8 @@
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#include <openssl/err.h>
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#include <openssl/rand.h>
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#include <openssl/fips.h>
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+#define FIPS_DRBG_generate FIPS_DRBG_generate_internal
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+#define FIPS_DRBG_reseed FIPS_DRBG_reseed_internal
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#include <openssl/fips_rand.h>
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#include "fips_rand_lcl.h"
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diff -up openssl-1.1.1g/crypto/fips/fips_drbg_selftest.c.rewire-fips-drbg openssl-1.1.1g/crypto/fips/fips_drbg_selftest.c
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--- openssl-1.1.1g/crypto/fips/fips_drbg_selftest.c.rewire-fips-drbg 2020-06-22 13:32:47.612852927 +0200
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+++ openssl-1.1.1g/crypto/fips/fips_drbg_selftest.c 2020-06-22 13:32:47.675852917 +0200
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@@ -55,6 +55,8 @@
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#include <openssl/crypto.h>
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#include <openssl/err.h>
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#include <openssl/fips.h>
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+#define FIPS_DRBG_generate FIPS_DRBG_generate_internal
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+#define FIPS_DRBG_reseed FIPS_DRBG_reseed_internal
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#include <openssl/fips_rand.h>
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#include "fips_rand_lcl.h"
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#include "fips_locl.h"
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diff -up openssl-1.1.1g/crypto/fips/fips_post.c.rewire-fips-drbg openssl-1.1.1g/crypto/fips/fips_post.c
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--- openssl-1.1.1g/crypto/fips/fips_post.c.rewire-fips-drbg 2020-06-22 13:32:47.672852918 +0200
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+++ openssl-1.1.1g/crypto/fips/fips_post.c 2020-06-22 13:32:47.675852917 +0200
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@@ -79,8 +79,6 @@ int FIPS_selftest(void)
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ERR_add_error_data(2, "Type=", "rand_drbg_selftest");
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rv = 0;
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}
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- if (!FIPS_selftest_drbg())
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- rv = 0;
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if (!FIPS_selftest_sha1())
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rv = 0;
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if (!FIPS_selftest_sha2())
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diff -up openssl-1.1.1g/crypto/fips/fips_rand_lib.c.rewire-fips-drbg openssl-1.1.1g/crypto/fips/fips_rand_lib.c
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--- openssl-1.1.1g/crypto/fips/fips_rand_lib.c.rewire-fips-drbg 2020-06-22 13:32:47.613852927 +0200
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+++ openssl-1.1.1g/crypto/fips/fips_rand_lib.c 2020-06-22 13:36:28.722817967 +0200
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@@ -120,6 +120,7 @@ void FIPS_rand_reset(void)
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int FIPS_rand_seed(const void *buf, int num)
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{
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+#if 0
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if (!fips_approved_rand_meth && FIPS_module_mode()) {
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FIPSerr(FIPS_F_FIPS_RAND_SEED, FIPS_R_NON_FIPS_METHOD);
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return 0;
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@@ -127,10 +128,15 @@ int FIPS_rand_seed(const void *buf, int
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if (fips_rand_meth && fips_rand_meth->seed)
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fips_rand_meth->seed(buf, num);
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return 1;
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+#else
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+ RAND_seed(buf, num);
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+ return 1;
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+#endif
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}
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int FIPS_rand_bytes(unsigned char *buf, int num)
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{
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+#if 0
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if (!fips_approved_rand_meth && FIPS_module_mode()) {
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FIPSerr(FIPS_F_FIPS_RAND_BYTES, FIPS_R_NON_FIPS_METHOD);
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return 0;
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@@ -138,10 +144,14 @@ int FIPS_rand_bytes(unsigned char *buf,
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if (fips_rand_meth && fips_rand_meth->bytes)
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return fips_rand_meth->bytes(buf, num);
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return 0;
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+#else
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+ return RAND_bytes(buf, num);
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+#endif
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}
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int FIPS_rand_status(void)
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{
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+#if 0
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if (!fips_approved_rand_meth && FIPS_module_mode()) {
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FIPSerr(FIPS_F_FIPS_RAND_STATUS, FIPS_R_NON_FIPS_METHOD);
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return 0;
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@@ -149,6 +159,9 @@ int FIPS_rand_status(void)
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if (fips_rand_meth && fips_rand_meth->status)
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return fips_rand_meth->status();
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return 0;
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+#else
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+ return RAND_status();
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+#endif
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}
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/* Return instantiated strength of PRNG. For DRBG this is an internal
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diff -up openssl-1.1.1g/include/openssl/fips.h.rewire-fips-drbg openssl-1.1.1g/include/openssl/fips.h
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--- openssl-1.1.1g/include/openssl/fips.h.rewire-fips-drbg 2020-06-22 13:32:47.672852918 +0200
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+++ openssl-1.1.1g/include/openssl/fips.h 2020-06-22 13:32:47.675852917 +0200
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@@ -64,6 +64,11 @@ extern "C" {
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int FIPS_selftest(void);
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int FIPS_selftest_failed(void);
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+
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+ /*
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+ * This function is deprecated as it performs selftest of the old FIPS drbg
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+ * implementation that is not validated.
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+ */
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int FIPS_selftest_drbg_all(void);
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int FIPS_dsa_builtin_paramgen2(DSA *ret, size_t L, size_t N,
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diff -up openssl-1.1.1g/include/openssl/fips_rand.h.rewire-fips-drbg openssl-1.1.1g/include/openssl/fips_rand.h
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--- openssl-1.1.1g/include/openssl/fips_rand.h.rewire-fips-drbg 2020-06-22 13:32:47.617852926 +0200
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+++ openssl-1.1.1g/include/openssl/fips_rand.h 2020-06-22 13:32:47.675852917 +0200
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@@ -60,6 +60,20 @@
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# ifdef __cplusplus
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extern "C" {
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# endif
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+
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+/*
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+ * IMPORTANT NOTE:
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+ * All functions in this header file are deprecated and should not be used
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+ * as they use the old FIPS_drbg implementation that is not FIPS validated
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+ * anymore.
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+ * To provide backwards compatibility for applications that need FIPS compliant
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+ * RNG number generation and use FIPS_drbg_generate, this function was
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+ * re-wired to call the FIPS validated DRBG instance instead through
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+ * the RAND_bytes() call.
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+ *
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+ * All these functions will be removed in future.
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+ */
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+
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typedef struct drbg_ctx_st DRBG_CTX;
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/* DRBG external flags */
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/* Flag for CTR mode only: use derivation function ctr_df */
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