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From abeda0b0475adb0d4f89b0c97cfc349779915bbf Mon Sep 17 00:00:00 2001
From: rpm-build <rpm-build>
Date: Mon, 31 Jul 2023 09:41:28 +0200
Subject: [PATCH 29/35]
0073-FIPS-Use-OAEP-in-KATs-support-fixed-OAEP-seed.patch
Patch-name: 0073-FIPS-Use-OAEP-in-KATs-support-fixed-OAEP-seed.patch
Patch-id: 73
Patch-status: |
# https://bugzilla.redhat.com/show_bug.cgi?id=2102535
From-dist-git-commit: 9409bc7044cf4b5773639cce20f51399888c45fd
---
crypto/rsa/rsa_local.h | 8 ++
crypto/rsa/rsa_oaep.c | 34 ++++++--
include/openssl/core_names.h | 3 +
providers/fips/self_test_data.inc | 79 ++++++++++---------
providers/fips/self_test_kats.c | 7 ++
.../implementations/asymciphers/rsa_enc.c | 41 +++++++++-
6 files changed, 128 insertions(+), 44 deletions(-)
diff --git a/crypto/rsa/rsa_local.h b/crypto/rsa/rsa_local.h
index ea70da05ad..dde57a1a0e 100644
--- a/crypto/rsa/rsa_local.h
+++ b/crypto/rsa/rsa_local.h
@@ -193,4 +193,12 @@ int ossl_rsa_padding_add_PKCS1_type_2_ex(OSSL_LIB_CTX *libctx, unsigned char *to
int tlen, const unsigned char *from,
int flen);
+int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex2(OSSL_LIB_CTX *libctx,
+ unsigned char *to, int tlen,
+ const unsigned char *from, int flen,
+ const unsigned char *param,
+ int plen, const EVP_MD *md,
+ const EVP_MD *mgf1md,
+ const char *redhat_st_seed);
+
#endif /* OSSL_CRYPTO_RSA_LOCAL_H */
diff --git a/crypto/rsa/rsa_oaep.c b/crypto/rsa/rsa_oaep.c
index d9be1a4f98..b2f7f7dc4b 100644
--- a/crypto/rsa/rsa_oaep.c
+++ b/crypto/rsa/rsa_oaep.c
@@ -44,6 +44,10 @@ int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
param, plen, NULL, NULL);
}
+#ifdef FIPS_MODULE
+extern int REDHAT_FIPS_asym_cipher_st;
+#endif /* FIPS_MODULE */
+
/*
* Perform the padding as per NIST 800-56B 7.2.2.3
* from (K) is the key material.
@@ -51,12 +55,13 @@ int RSA_padding_add_PKCS1_OAEP(unsigned char *to, int tlen,
* Step numbers are included here but not in the constant time inverse below
* to avoid complicating an already difficult enough function.
*/
-int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(OSSL_LIB_CTX *libctx,
- unsigned char *to, int tlen,
- const unsigned char *from, int flen,
- const unsigned char *param,
- int plen, const EVP_MD *md,
- const EVP_MD *mgf1md)
+int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex2(OSSL_LIB_CTX *libctx,
+ unsigned char *to, int tlen,
+ const unsigned char *from, int flen,
+ const unsigned char *param,
+ int plen, const EVP_MD *md,
+ const EVP_MD *mgf1md,
+ const char *redhat_st_seed)
{
int rv = 0;
int i, emlen = tlen - 1;
@@ -107,6 +112,11 @@ int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(OSSL_LIB_CTX *libctx,
db[emlen - flen - mdlen - 1] = 0x01;
memcpy(db + emlen - flen - mdlen, from, (unsigned int)flen);
/* step 3d: generate random byte string */
+#ifdef FIPS_MODULE
+ if (redhat_st_seed != NULL && REDHAT_FIPS_asym_cipher_st) {
+ memcpy(seed, redhat_st_seed, mdlen);
+ } else
+#endif
if (RAND_bytes_ex(libctx, seed, mdlen, 0) <= 0)
goto err;
@@ -138,6 +148,18 @@ int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(OSSL_LIB_CTX *libctx,
return rv;
}
+int ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(OSSL_LIB_CTX *libctx,
+ unsigned char *to, int tlen,
+ const unsigned char *from, int flen,
+ const unsigned char *param,
+ int plen, const EVP_MD *md,
+ const EVP_MD *mgf1md)
+{
+ return ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex2(libctx, to, tlen, from,
+ flen, param, plen, md,
+ mgf1md, NULL);
+}
+
int RSA_padding_add_PKCS1_OAEP_mgf1(unsigned char *to, int tlen,
const unsigned char *from, int flen,
const unsigned char *param, int plen,
diff --git a/include/openssl/core_names.h b/include/openssl/core_names.h
index 5e3c132f5b..c0cce14297 100644
--- a/include/openssl/core_names.h
+++ b/include/openssl/core_names.h
@@ -471,6 +471,9 @@ extern "C" {
#define OSSL_ASYM_CIPHER_PARAM_OAEP_LABEL "oaep-label"
#define OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION "tls-client-version"
#define OSSL_ASYM_CIPHER_PARAM_TLS_NEGOTIATED_VERSION "tls-negotiated-version"
+#ifdef FIPS_MODULE
+#define OSSL_ASYM_CIPHER_PARAM_REDHAT_KAT_OEAP_SEED "redhat-kat-oaep-seed"
+#endif
/*
* Encoder / decoder parameters
diff --git a/providers/fips/self_test_data.inc b/providers/fips/self_test_data.inc
index e0fdc0daa4..aa2012c04a 100644
--- a/providers/fips/self_test_data.inc
+++ b/providers/fips/self_test_data.inc
@@ -1296,14 +1296,21 @@ static const ST_KAT_PARAM rsa_priv_key[] = {
};
/*-
- * Using OSSL_PKEY_RSA_PAD_MODE_NONE directly in the expansion of the
+ * Using OSSL_PKEY_RSA_PAD_MODE_OAEP directly in the expansion of the
* ST_KAT_PARAM_UTF8STRING macro below causes a failure on ancient
* HP/UX PA-RISC compilers.
*/
-static const char pad_mode_none[] = OSSL_PKEY_RSA_PAD_MODE_NONE;
+static const char pad_mode_oaep[] = OSSL_PKEY_RSA_PAD_MODE_OAEP;
+static const char oaep_fixed_seed[] = {
+ 0xf6, 0x10, 0xef, 0x0a, 0x97, 0xbf, 0x91, 0x25,
+ 0x97, 0xcf, 0x8e, 0x0a, 0x75, 0x51, 0x2f, 0xab,
+ 0x2e, 0x4b, 0x2c, 0xe6
+};
static const ST_KAT_PARAM rsa_enc_params[] = {
- ST_KAT_PARAM_UTF8STRING(OSSL_ASYM_CIPHER_PARAM_PAD_MODE, pad_mode_none),
+ ST_KAT_PARAM_UTF8STRING(OSSL_ASYM_CIPHER_PARAM_PAD_MODE, pad_mode_oaep),
+ ST_KAT_PARAM_OCTET(OSSL_ASYM_CIPHER_PARAM_REDHAT_KAT_OEAP_SEED,
+ oaep_fixed_seed),
ST_KAT_PARAM_END()
};
@@ -1342,43 +1349,43 @@ static const unsigned char rsa_expected_sig[256] = {
0x2c, 0x68, 0xf0, 0x37, 0xa9, 0xd2, 0x56, 0xd6
};
-static const unsigned char rsa_asym_plaintext_encrypt[256] = {
+static const unsigned char rsa_asym_plaintext_encrypt[208] = {
0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08,
0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, 0x10,
};
static const unsigned char rsa_asym_expected_encrypt[256] = {
- 0x54, 0xac, 0x23, 0x96, 0x1d, 0x82, 0x5d, 0x8b,
- 0x8f, 0x36, 0x33, 0xd0, 0xf4, 0x02, 0xa2, 0x61,
- 0xb1, 0x13, 0xd4, 0x4a, 0x46, 0x06, 0x37, 0x3c,
- 0xbf, 0x40, 0x05, 0x3c, 0xc6, 0x3b, 0x64, 0xdc,
- 0x22, 0x22, 0xaf, 0x36, 0x79, 0x62, 0x45, 0xf0,
- 0x97, 0x82, 0x22, 0x44, 0x86, 0x4a, 0x7c, 0xfa,
- 0xac, 0x03, 0x21, 0x84, 0x3f, 0x31, 0xad, 0x2a,
- 0xa4, 0x6e, 0x7a, 0xc5, 0x93, 0xf3, 0x0f, 0xfc,
- 0xf1, 0x62, 0xce, 0x82, 0x12, 0x45, 0xc9, 0x35,
- 0xb0, 0x7a, 0xcd, 0x99, 0x8c, 0x91, 0x6b, 0x5a,
- 0xd3, 0x46, 0xdb, 0xf9, 0x9e, 0x52, 0x49, 0xbd,
- 0x1e, 0xe8, 0xda, 0xac, 0x61, 0x47, 0xc2, 0xda,
- 0xfc, 0x1e, 0xfb, 0x74, 0xd7, 0xd6, 0xc1, 0x18,
- 0x86, 0x3e, 0x20, 0x9c, 0x7a, 0xe1, 0x04, 0xb7,
- 0x38, 0x43, 0xb1, 0x4e, 0xa0, 0xd8, 0xc1, 0x39,
- 0x4d, 0xe1, 0xd3, 0xb0, 0xb3, 0xf1, 0x82, 0x87,
- 0x1f, 0x74, 0xb5, 0x69, 0xfd, 0x33, 0xd6, 0x21,
- 0x7c, 0x61, 0x60, 0x28, 0xca, 0x70, 0xdb, 0xa0,
- 0xbb, 0xc8, 0x73, 0xa9, 0x82, 0xf8, 0x6b, 0xd8,
- 0xf0, 0xc9, 0x7b, 0x20, 0xdf, 0x9d, 0xfb, 0x8c,
- 0xd4, 0xa2, 0x89, 0xe1, 0x9b, 0x04, 0xad, 0xaa,
- 0x11, 0x6c, 0x8f, 0xce, 0x83, 0x29, 0x56, 0x69,
- 0xbb, 0x00, 0x3b, 0xef, 0xca, 0x2d, 0xcd, 0x52,
- 0xc8, 0xf1, 0xb3, 0x9b, 0xb4, 0x4f, 0x6d, 0x9c,
- 0x3d, 0x69, 0xcc, 0x6d, 0x1f, 0x38, 0x4d, 0xe6,
- 0xbb, 0x0c, 0x87, 0xdc, 0x5f, 0xa9, 0x24, 0x93,
- 0x03, 0x46, 0xa2, 0x33, 0x6c, 0xf4, 0xd8, 0x5d,
- 0x68, 0xf3, 0xd3, 0xe0, 0xf2, 0x30, 0xdb, 0xf5,
- 0x4f, 0x0f, 0xad, 0xc7, 0xd0, 0xaa, 0x47, 0xd9,
- 0x9f, 0x85, 0x1b, 0x2e, 0x6c, 0x3c, 0x57, 0x04,
- 0x29, 0xf4, 0xf5, 0x66, 0x7d, 0x93, 0x4a, 0xaa,
- 0x05, 0x52, 0x55, 0xc1, 0xc6, 0x06, 0x90, 0xab,
+ 0x6c, 0x21, 0xc1, 0x9e, 0x94, 0xee, 0xdf, 0x74,
+ 0x3a, 0x3c, 0x7c, 0x04, 0x1a, 0x53, 0x9e, 0x7c,
+ 0x42, 0xac, 0x7e, 0x28, 0x9a, 0xb7, 0xe2, 0x4e,
+ 0x87, 0xd4, 0x00, 0x69, 0x71, 0xf0, 0x3e, 0x0b,
+ 0xc1, 0xda, 0xd6, 0xbd, 0x21, 0x39, 0x4f, 0x25,
+ 0x22, 0x1f, 0x76, 0x0d, 0x62, 0x1f, 0xa2, 0x89,
+ 0xdb, 0x38, 0x32, 0x88, 0x21, 0x1d, 0x89, 0xf1,
+ 0xe0, 0x14, 0xd4, 0xb7, 0x90, 0xfc, 0xbc, 0x50,
+ 0xb0, 0x8d, 0x5c, 0x2f, 0x49, 0x9e, 0x90, 0x17,
+ 0x9e, 0x60, 0x9f, 0xe1, 0x77, 0x4f, 0x11, 0xa2,
+ 0xcf, 0x16, 0x65, 0x2d, 0x4a, 0x2c, 0x12, 0xcb,
+ 0x1e, 0x3c, 0x29, 0x8b, 0xdc, 0x27, 0x06, 0x9d,
+ 0xf4, 0x0d, 0xe1, 0xc9, 0xeb, 0x14, 0x6a, 0x7e,
+ 0xfd, 0xa7, 0xa8, 0xa7, 0x51, 0x82, 0x62, 0x0f,
+ 0x29, 0x8d, 0x8c, 0x5e, 0xf2, 0xb8, 0xcd, 0xd3,
+ 0x51, 0x92, 0xa7, 0x25, 0x39, 0x9d, 0xdd, 0x06,
+ 0xff, 0xb1, 0xb0, 0xd5, 0x61, 0x03, 0x8f, 0x25,
+ 0x5c, 0x49, 0x12, 0xc1, 0x50, 0x67, 0x61, 0x78,
+ 0xb3, 0xe3, 0xc4, 0xf6, 0x36, 0x16, 0xa9, 0x04,
+ 0x91, 0x0a, 0x4b, 0x27, 0x28, 0x97, 0x50, 0x7c,
+ 0x65, 0x2d, 0xd0, 0x08, 0x71, 0x84, 0xe7, 0x47,
+ 0x79, 0x83, 0x91, 0x46, 0xd9, 0x8f, 0x79, 0xce,
+ 0x49, 0xcb, 0xcd, 0x8b, 0x34, 0xac, 0x61, 0xe0,
+ 0xe6, 0x55, 0xbf, 0x10, 0xe4, 0xac, 0x9a, 0xd6,
+ 0xed, 0xc1, 0xc2, 0xb6, 0xb6, 0xf7, 0x41, 0x99,
+ 0xde, 0xfa, 0xde, 0x11, 0x16, 0xa2, 0x18, 0x30,
+ 0x30, 0xdc, 0x95, 0x76, 0x2f, 0x46, 0x43, 0x20,
+ 0xc4, 0xe7, 0x50, 0xb9, 0x1e, 0xcd, 0x69, 0xbb,
+ 0x29, 0x94, 0x27, 0x9c, 0xc9, 0xab, 0xb4, 0x27,
+ 0x8b, 0x4d, 0xe1, 0xcb, 0xc1, 0x04, 0x2c, 0x66,
+ 0x41, 0x3a, 0x4d, 0xeb, 0x61, 0x4c, 0x77, 0x5a,
+ 0xee, 0xb0, 0xca, 0x99, 0x0e, 0x7f, 0xbe, 0x06
};
#ifndef OPENSSL_NO_EC
diff --git a/providers/fips/self_test_kats.c b/providers/fips/self_test_kats.c
index 74ee25dcb6..a9bc8be7fa 100644
--- a/providers/fips/self_test_kats.c
+++ b/providers/fips/self_test_kats.c
@@ -641,14 +641,21 @@ static int self_test_ciphers(OSSL_SELF_TEST *st, OSSL_LIB_CTX *libctx)
return ret;
}
+int REDHAT_FIPS_asym_cipher_st = 0;
+
static int self_test_asym_ciphers(OSSL_SELF_TEST *st, OSSL_LIB_CTX *libctx)
{
int i, ret = 1;
+ REDHAT_FIPS_asym_cipher_st = 1;
+
for (i = 0; i < (int)OSSL_NELEM(st_kat_asym_cipher_tests); ++i) {
if (!self_test_asym_cipher(&st_kat_asym_cipher_tests[i], st, libctx))
ret = 0;
}
+
+ REDHAT_FIPS_asym_cipher_st = 0;
+
return ret;
}
diff --git a/providers/implementations/asymciphers/rsa_enc.c b/providers/implementations/asymciphers/rsa_enc.c
index 9cd8904131..40de5ce8fa 100644
--- a/providers/implementations/asymciphers/rsa_enc.c
+++ b/providers/implementations/asymciphers/rsa_enc.c
@@ -30,6 +30,9 @@
#include "prov/implementations.h"
#include "prov/providercommon.h"
#include "prov/securitycheck.h"
+#ifdef FIPS_MODULE
+# include "crypto/rsa/rsa_local.h"
+#endif
#include <stdlib.h>
@@ -75,6 +78,9 @@ typedef struct {
/* TLS padding */
unsigned int client_version;
unsigned int alt_version;
+#ifdef FIPS_MODULE
+ char *redhat_st_oaep_seed;
+#endif /* FIPS_MODULE */
} PROV_RSA_CTX;
static void *rsa_newctx(void *provctx)
@@ -192,12 +198,21 @@ static int rsa_encrypt(void *vprsactx, unsigned char *out, size_t *outlen,
}
}
ret =
- ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(prsactx->libctx, tbuf,
+#ifdef FIPS_MODULE
+ ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex2(
+#else
+ ossl_rsa_padding_add_PKCS1_OAEP_mgf1_ex(
+#endif
+ prsactx->libctx, tbuf,
rsasize, in, inlen,
prsactx->oaep_label,
prsactx->oaep_labellen,
prsactx->oaep_md,
- prsactx->mgf1_md);
+ prsactx->mgf1_md
+#ifdef FIPS_MODULE
+ , prsactx->redhat_st_oaep_seed
+#endif
+ );
if (!ret) {
OPENSSL_free(tbuf);
@@ -328,6 +343,9 @@ static void rsa_freectx(void *vprsactx)
EVP_MD_free(prsactx->oaep_md);
EVP_MD_free(prsactx->mgf1_md);
OPENSSL_free(prsactx->oaep_label);
+#ifdef FIPS_MODULE
+ OPENSSL_free(prsactx->redhat_st_oaep_seed);
+#endif /* FIPS_MODULE */
OPENSSL_free(prsactx);
}
@@ -447,6 +465,9 @@ static const OSSL_PARAM known_gettable_ctx_params[] = {
NULL, 0),
OSSL_PARAM_uint(OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION, NULL),
OSSL_PARAM_uint(OSSL_ASYM_CIPHER_PARAM_TLS_NEGOTIATED_VERSION, NULL),
+#ifdef FIPS_MODULE
+ OSSL_PARAM_octet_string(OSSL_ASYM_CIPHER_PARAM_REDHAT_KAT_OEAP_SEED, NULL, 0),
+#endif /* FIPS_MODULE */
OSSL_PARAM_END
};
@@ -456,6 +477,10 @@ static const OSSL_PARAM *rsa_gettable_ctx_params(ossl_unused void *vprsactx,
return known_gettable_ctx_params;
}
+#ifdef FIPS_MODULE
+extern int REDHAT_FIPS_asym_cipher_st;
+#endif /* FIPS_MODULE */
+
static int rsa_set_ctx_params(void *vprsactx, const OSSL_PARAM params[])
{
PROV_RSA_CTX *prsactx = (PROV_RSA_CTX *)vprsactx;
@@ -567,6 +592,18 @@ static int rsa_set_ctx_params(void *vprsactx, const OSSL_PARAM params[])
prsactx->oaep_labellen = tmp_labellen;
}
+#ifdef FIPS_MODULE
+ p = OSSL_PARAM_locate_const(params, OSSL_ASYM_CIPHER_PARAM_REDHAT_KAT_OEAP_SEED);
+ if (p != NULL && REDHAT_FIPS_asym_cipher_st) {
+ void *tmp_oaep_seed = NULL;
+
+ if (!OSSL_PARAM_get_octet_string(p, &tmp_oaep_seed, 0, NULL))
+ return 0;
+ OPENSSL_free(prsactx->redhat_st_oaep_seed);
+ prsactx->redhat_st_oaep_seed = (char *)tmp_oaep_seed;
+ }
+#endif /* FIPS_MODULE */
+
p = OSSL_PARAM_locate_const(params, OSSL_ASYM_CIPHER_PARAM_TLS_CLIENT_VERSION);
if (p != NULL) {
unsigned int client_version;
--
2.41.0
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