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openssl/openssl-1.1.1-fips-curves.patch

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diff -up openssl-1.1.1g/crypto/ec/ec_curve.c.fips-curves openssl-1.1.1g/crypto/ec/ec_curve.c
--- openssl-1.1.1g/crypto/ec/ec_curve.c.fips-curves 2020-05-18 12:59:54.839643980 +0200
+++ openssl-1.1.1g/crypto/ec/ec_curve.c 2020-05-18 12:59:54.852644093 +0200
@@ -13,6 +13,7 @@
#include <openssl/err.h>
#include <openssl/obj_mac.h>
#include <openssl/opensslconf.h>
+#include <openssl/crypto.h>
#include "internal/nelem.h"
typedef struct {
@@ -237,6 +238,7 @@ static const struct {
typedef struct _ec_list_element_st {
int nid;
+ int fips_allowed;
const EC_CURVE_DATA *data;
const EC_METHOD *(*meth) (void);
const char *comment;
@@ -246,23 +248,23 @@ static const ec_list_element curve_list[
/* prime field curves */
/* secg curves */
#ifndef OPENSSL_NO_EC_NISTP_64_GCC_128
- {NID_secp224r1, &_EC_NIST_PRIME_224.h, EC_GFp_nistp224_method,
+ {NID_secp224r1, 1, &_EC_NIST_PRIME_224.h, EC_GFp_nistp224_method,
"NIST/SECG curve over a 224 bit prime field"},
#else
- {NID_secp224r1, &_EC_NIST_PRIME_224.h, 0,
+ {NID_secp224r1, 1, &_EC_NIST_PRIME_224.h, 0,
"NIST/SECG curve over a 224 bit prime field"},
#endif
- {NID_secp256k1, &_EC_SECG_PRIME_256K1.h, 0,
+ {NID_secp256k1, 0, &_EC_SECG_PRIME_256K1.h, 0,
"SECG curve over a 256 bit prime field"},
/* SECG secp256r1 is the same as X9.62 prime256v1 and hence omitted */
- {NID_secp384r1, &_EC_NIST_PRIME_384.h,
+ {NID_secp384r1, 1, &_EC_NIST_PRIME_384.h,
# if defined(S390X_EC_ASM)
EC_GFp_s390x_nistp384_method,
# else
0,
# endif
"NIST/SECG curve over a 384 bit prime field"},
- {NID_secp521r1, &_EC_NIST_PRIME_521.h,
+ {NID_secp521r1, 1, &_EC_NIST_PRIME_521.h,
# if defined(S390X_EC_ASM)
EC_GFp_s390x_nistp521_method,
# elif !defined(OPENSSL_NO_EC_NISTP_64_GCC_128)
@@ -272,7 +274,7 @@ static const ec_list_element curve_list[
# endif
"NIST/SECG curve over a 521 bit prime field"},
/* X9.62 curves */
- {NID_X9_62_prime256v1, &_EC_X9_62_PRIME_256V1.h,
+ {NID_X9_62_prime256v1, 1, &_EC_X9_62_PRIME_256V1.h,
#if defined(ECP_NISTZ256_ASM)
EC_GFp_nistz256_method,
# elif defined(S390X_EC_ASM)
@@ -404,6 +406,10 @@ EC_GROUP *EC_GROUP_new_by_curve_name(int
for (i = 0; i < curve_list_length; i++)
if (curve_list[i].nid == nid) {
+ if (!curve_list[i].fips_allowed && FIPS_mode()) {
+ ECerr(EC_F_EC_GROUP_NEW_BY_CURVE_NAME, EC_R_NOT_A_NIST_PRIME);
+ return NULL;
+ }
ret = ec_group_new_from_data(curve_list[i]);
break;
}
@@ -418,19 +424,31 @@ EC_GROUP *EC_GROUP_new_by_curve_name(int
size_t EC_get_builtin_curves(EC_builtin_curve *r, size_t nitems)
{
- size_t i, min;
+ size_t i, j, num;
+ int fips_mode = FIPS_mode();
- if (r == NULL || nitems == 0)
- return curve_list_length;
+ num = curve_list_length;
+ if (fips_mode)
+ for (i = 0; i < curve_list_length; i++) {
+ if (!curve_list[i].fips_allowed)
+ --num;
+ }
- min = nitems < curve_list_length ? nitems : curve_list_length;
+ if (r == NULL || nitems == 0) {
+ return num;
+ }
- for (i = 0; i < min; i++) {
- r[i].nid = curve_list[i].nid;
- r[i].comment = curve_list[i].comment;
+ for (i = 0, j = 0; i < curve_list_length; i++) {
+ if (j >= nitems)
+ break;
+ if (!fips_mode || curve_list[i].fips_allowed) {
+ r[j].nid = curve_list[i].nid;
+ r[j].comment = curve_list[i].comment;
+ ++j;
+ }
}
- return curve_list_length;
+ return num;
}
/* Functions to translate between common NIST curve names and NIDs */
diff -up openssl-1.1.1g/ssl/t1_lib.c.fips-curves openssl-1.1.1g/ssl/t1_lib.c
--- openssl-1.1.1g/ssl/t1_lib.c.fips-curves 2020-05-18 12:59:54.797643616 +0200
+++ openssl-1.1.1g/ssl/t1_lib.c 2020-05-18 13:03:54.748725463 +0200
@@ -678,6 +678,36 @@ static const uint16_t tls12_sigalgs[] =
#endif
};
+static const uint16_t tls12_fips_sigalgs[] = {
+#ifndef OPENSSL_NO_EC
+ TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
+ TLSEXT_SIGALG_ecdsa_secp384r1_sha384,
+ TLSEXT_SIGALG_ecdsa_secp521r1_sha512,
+#endif
+
+ TLSEXT_SIGALG_rsa_pss_pss_sha256,
+ TLSEXT_SIGALG_rsa_pss_pss_sha384,
+ TLSEXT_SIGALG_rsa_pss_pss_sha512,
+ TLSEXT_SIGALG_rsa_pss_rsae_sha256,
+ TLSEXT_SIGALG_rsa_pss_rsae_sha384,
+ TLSEXT_SIGALG_rsa_pss_rsae_sha512,
+
+ TLSEXT_SIGALG_rsa_pkcs1_sha256,
+ TLSEXT_SIGALG_rsa_pkcs1_sha384,
+ TLSEXT_SIGALG_rsa_pkcs1_sha512,
+
+#ifndef OPENSSL_NO_EC
+ TLSEXT_SIGALG_ecdsa_sha224,
+#endif
+ TLSEXT_SIGALG_rsa_pkcs1_sha224,
+#ifndef OPENSSL_NO_DSA
+ TLSEXT_SIGALG_dsa_sha224,
+ TLSEXT_SIGALG_dsa_sha256,
+ TLSEXT_SIGALG_dsa_sha384,
+ TLSEXT_SIGALG_dsa_sha512,
+#endif
+};
+
#ifndef OPENSSL_NO_EC
static const uint16_t suiteb_sigalgs[] = {
TLSEXT_SIGALG_ecdsa_secp256r1_sha256,
@@ -894,6 +924,8 @@ static const SIGALG_LOOKUP *tls1_get_leg
}
if (idx < 0 || idx >= (int)OSSL_NELEM(tls_default_sigalg))
return NULL;
+ if (FIPS_mode()) /* We do not allow legacy SHA1 signatures in FIPS mode */
+ return NULL;
if (SSL_USE_SIGALGS(s) || idx != SSL_PKEY_RSA) {
const SIGALG_LOOKUP *lu = tls1_lookup_sigalg(tls_default_sigalg[idx]);
@@ -954,6 +986,9 @@ size_t tls12_get_psigalgs(SSL *s, int se
} else if (s->cert->conf_sigalgs) {
*psigs = s->cert->conf_sigalgs;
return s->cert->conf_sigalgslen;
+ } else if (FIPS_mode()) {
+ *psigs = tls12_fips_sigalgs;
+ return OSSL_NELEM(tls12_fips_sigalgs);
} else {
*psigs = tls12_sigalgs;
return OSSL_NELEM(tls12_sigalgs);
@@ -973,6 +1008,9 @@ int tls_check_sigalg_curve(const SSL *s,
if (s->cert->conf_sigalgs) {
sigs = s->cert->conf_sigalgs;
siglen = s->cert->conf_sigalgslen;
+ } else if (FIPS_mode()) {
+ sigs = tls12_fips_sigalgs;
+ siglen = OSSL_NELEM(tls12_fips_sigalgs);
} else {
sigs = tls12_sigalgs;
siglen = OSSL_NELEM(tls12_sigalgs);
@@ -1617,6 +1655,8 @@ static int tls12_sigalg_allowed(const SS
if (lu->sig == NID_id_GostR3410_2012_256
|| lu->sig == NID_id_GostR3410_2012_512
|| lu->sig == NID_id_GostR3410_2001) {
+ if (FIPS_mode())
+ return 0;
/* We never allow GOST sig algs on the server with TLSv1.3 */
if (s->server && SSL_IS_TLS13(s))
return 0;
@@ -2842,6 +2882,13 @@ int tls_choose_sigalg(SSL *s, int fatale
const uint16_t *sent_sigs;
size_t sent_sigslen;
+ if (fatalerrs && FIPS_mode()) {
+ /* There are no suitable legacy algorithms in FIPS mode */
+ SSLfatal(s, SSL_AD_HANDSHAKE_FAILURE,
+ SSL_F_TLS_CHOOSE_SIGALG,
+ SSL_R_NO_SUITABLE_SIGNATURE_ALGORITHM);
+ return 0;
+ }
if ((lu = tls1_get_legacy_sigalg(s, -1)) == NULL) {
if (!fatalerrs)
return 1;
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