return 1;
}
- /*
- * Export ciphersuites may have temporary RSA keys if the public key in the
- * server certificate is longer than the maximum export strength
- */
- if ((alg_k & SSL_kRSA) && SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)) {
- EVP_PKEY *pkey;
-
- pkey = X509_get_pubkey(s->session->peer);
- if (pkey == NULL)
- return -1;
-
- /*
- * If the public key in the certificate is shorter than or equal to the
- * maximum export strength then a temporary RSA key is not allowed
- */
- if (EVP_PKEY_bits(pkey)
- <= SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher))
- return 0;
-
- EVP_PKEY_free(pkey);
-
- return 1;
- }
-
return 0;
}
if (SSL_IS_DTLS(s) && mt == DTLS1_MT_HELLO_VERIFY_REQUEST) {
st->hand_state = DTLS_ST_CR_HELLO_VERIFY_REQUEST;
return 1;
+ } else if (s->version >= TLS1_VERSION
+ && s->tls_session_secret_cb != NULL
+ && s->session->tlsext_tick != NULL
+ && mt == SSL3_MT_CHANGE_CIPHER_SPEC) {
+ /*
+ * Normally, we can tell if the server is resuming the session
+ * from the session ID. EAP-FAST (RFC 4851), however, relies on
+ * the next server message after the ServerHello to determine if
+ * the server is resuming.
+ */
+ s->hit = 1;
+ st->hand_state = TLS_ST_CR_CHANGE;
+ return 1;
} else if (!(s->s3->tmp.new_cipher->algorithm_auth
& (SSL_aNULL | SSL_aSRP | SSL_aPSK))) {
if (mt == SSL3_MT_CERTIFICATE) {
goto f_err;
}
s->s3->tmp.new_cipher = c;
- /*
- * Don't digest cached records if no sigalgs: we may need them for client
- * authentication.
- */
- if (!SSL_USE_SIGALGS(s) && !ssl3_digest_cached_records(s, 0))
- goto f_err;
/* lets get the compression algorithm */
/* COMPRESSION */
if (!PACKET_get_1(pkt, &compression)) {
}
exp_idx = ssl_cipher_get_cert_index(s->s3->tmp.new_cipher);
- if (exp_idx >= 0 && i != exp_idx) {
+ if (exp_idx >= 0 && i != exp_idx
+ && (exp_idx != SSL_PKEY_GOST_EC ||
+ (i != SSL_PKEY_GOST12_512 && i != SSL_PKEY_GOST12_256
+ && i != SSL_PKEY_GOST01))) {
x = NULL;
al = SSL_AD_ILLEGAL_PARAMETER;
SSLerr(SSL_F_TLS_PROCESS_SERVER_CERTIFICATE,
MSG_PROCESS_RETURN tls_process_key_exchange(SSL *s, PACKET *pkt)
{
-#ifndef OPENSSL_NO_RSA
- unsigned char *q, md_buf[EVP_MAX_MD_SIZE * 2];
-#endif
- EVP_MD_CTX md_ctx;
- int al, j, verify_ret;
+ EVP_MD_CTX *md_ctx;
+ int al, j;
long alg_k, alg_a;
EVP_PKEY *pkey = NULL;
const EVP_MD *md = NULL;
#endif
PACKET save_param_start, signature;
- EVP_MD_CTX_init(&md_ctx);
+ md_ctx = EVP_MD_CTX_create();
+ if (md_ctx == NULL) {
+ al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE);
+ goto f_err;
+ }
alg_k = s->s3->tmp.new_cipher->algorithm_mkey;
save_param_start = *pkt;
-#ifndef OPENSSL_NO_RSA
- RSA_free(s->s3->peer_rsa_tmp);
- s->s3->peer_rsa_tmp = NULL;
-#endif
#ifndef OPENSSL_NO_DH
DH_free(s->s3->peer_dh_tmp);
s->s3->peer_dh_tmp = NULL;
/* We must check if there is a certificate */
if (alg_a & (SSL_aRSA|SSL_aDSS))
pkey = X509_get_pubkey(s->session->peer);
- } else
-#endif /* !OPENSSL_NO_SRP */
-#ifndef OPENSSL_NO_RSA
- if (alg_k & SSL_kRSA) {
- PACKET mod, exp;
- /* Temporary RSA keys only allowed in export ciphersuites */
- if (!SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)) {
- al = SSL_AD_UNEXPECTED_MESSAGE;
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_UNEXPECTED_MESSAGE);
- goto f_err;
- }
-
- if (!PACKET_get_length_prefixed_2(pkt, &mod)
- || !PACKET_get_length_prefixed_2(pkt, &exp)) {
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_LENGTH_MISMATCH);
- goto f_err;
- }
-
- if ((rsa = RSA_new()) == NULL) {
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_MALLOC_FAILURE);
- goto err;
- }
-
- if ((rsa->n = BN_bin2bn(PACKET_data(&mod), PACKET_remaining(&mod),
- rsa->n)) == NULL
- || (rsa->e = BN_bin2bn(PACKET_data(&exp), PACKET_remaining(&exp),
- rsa->e)) == NULL) {
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_BN_LIB);
- goto err;
- }
-
- /* this should be because we are using an export cipher */
- if (alg_a & SSL_aRSA)
- pkey = X509_get_pubkey(s->session->peer);
- else {
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_INTERNAL_ERROR);
- goto err;
- }
-
- s->s3->peer_rsa_tmp = rsa;
- rsa = NULL;
}
-#else /* OPENSSL_NO_RSA */
- if (0) ;
-#endif
+#endif /* !OPENSSL_NO_SRP */
#ifndef OPENSSL_NO_DH
else if (alg_k & (SSL_kDHE | SSL_kDHEPSK)) {
PACKET prime, generator, pub_key;
group = EC_KEY_get0_group(ecdh);
- if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
- (EC_GROUP_get_degree(group) > 163)) {
- al = SSL_AD_EXPORT_RESTRICTION;
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE,
- SSL_R_ECGROUP_TOO_LARGE_FOR_CIPHER);
- goto f_err;
- }
-
/* Next, get the encoded ECPoint */
if (((srvr_ecpoint = EC_POINT_new(group)) == NULL) ||
((bn_ctx = BN_CTX_new()) == NULL)) {
#ifdef SSL_DEBUG
fprintf(stderr, "USING TLSv1.2 HASH %s\n", EVP_MD_name(md));
#endif
+ } else if (pkey->type == EVP_PKEY_RSA) {
+ md = EVP_md5_sha1();
} else {
md = EVP_sha1();
}
SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_WRONG_SIGNATURE_LENGTH);
goto f_err;
}
-#ifndef OPENSSL_NO_RSA
- if (pkey->type == EVP_PKEY_RSA && !SSL_USE_SIGALGS(s)) {
- int num;
- unsigned int size;
-
- j = 0;
- q = md_buf;
- for (num = 2; num > 0; num--) {
- EVP_MD_CTX_set_flags(&md_ctx, EVP_MD_CTX_FLAG_NON_FIPS_ALLOW);
- EVP_DigestInit_ex(&md_ctx, (num == 2)
- ? s->ctx->md5 : s->ctx->sha1, NULL);
- EVP_DigestUpdate(&md_ctx, &(s->s3->client_random[0]),
- SSL3_RANDOM_SIZE);
- EVP_DigestUpdate(&md_ctx, &(s->s3->server_random[0]),
- SSL3_RANDOM_SIZE);
- EVP_DigestUpdate(&md_ctx, PACKET_data(¶ms),
- PACKET_remaining(¶ms));
- EVP_DigestFinal_ex(&md_ctx, q, &size);
- q += size;
- j += size;
- }
- verify_ret =
- RSA_verify(NID_md5_sha1, md_buf, j, PACKET_data(&signature),
- PACKET_remaining(&signature), pkey->pkey.rsa);
- if (verify_ret < 0) {
- al = SSL_AD_DECRYPT_ERROR;
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_BAD_RSA_DECRYPT);
- goto f_err;
- }
- if (verify_ret == 0) {
- /* bad signature */
- al = SSL_AD_DECRYPT_ERROR;
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_BAD_SIGNATURE);
- goto f_err;
- }
- } else
-#endif
- {
- EVP_VerifyInit_ex(&md_ctx, md, NULL);
- EVP_VerifyUpdate(&md_ctx, &(s->s3->client_random[0]),
- SSL3_RANDOM_SIZE);
- EVP_VerifyUpdate(&md_ctx, &(s->s3->server_random[0]),
- SSL3_RANDOM_SIZE);
- EVP_VerifyUpdate(&md_ctx, PACKET_data(¶ms),
- PACKET_remaining(¶ms));
- if (EVP_VerifyFinal(&md_ctx, PACKET_data(&signature),
- PACKET_remaining(&signature), pkey) <= 0) {
- /* bad signature */
- al = SSL_AD_DECRYPT_ERROR;
- SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_BAD_SIGNATURE);
- goto f_err;
- }
+ if (EVP_VerifyInit_ex(md_ctx, md, NULL) <= 0
+ || EVP_VerifyUpdate(md_ctx, &(s->s3->client_random[0]),
+ SSL3_RANDOM_SIZE) <= 0
+ || EVP_VerifyUpdate(md_ctx, &(s->s3->server_random[0]),
+ SSL3_RANDOM_SIZE) <= 0
+ || EVP_VerifyUpdate(md_ctx, PACKET_data(¶ms),
+ PACKET_remaining(¶ms)) <= 0) {
+ al = SSL_AD_INTERNAL_ERROR;
+ SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, ERR_R_EVP_LIB);
+ goto f_err;
+ }
+ if (EVP_VerifyFinal(md_ctx, PACKET_data(&signature),
+ PACKET_remaining(&signature), pkey) <= 0) {
+ /* bad signature */
+ al = SSL_AD_DECRYPT_ERROR;
+ SSLerr(SSL_F_TLS_PROCESS_KEY_EXCHANGE, SSL_R_BAD_SIGNATURE);
+ goto f_err;
}
} else {
/* aNULL, aSRP or PSK do not need public keys */
}
}
EVP_PKEY_free(pkey);
- EVP_MD_CTX_cleanup(&md_ctx);
+ EVP_MD_CTX_destroy(md_ctx);
return MSG_PROCESS_CONTINUE_READING;
f_err:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
EC_POINT_free(srvr_ecpoint);
EC_KEY_free(ecdh);
#endif
- EVP_MD_CTX_cleanup(&md_ctx);
+ EVP_MD_CTX_destroy(md_ctx);
ossl_statem_set_error(s);
return MSG_PROCESS_ERROR;
}
SSLerr(SSL_F_TLS_PROCESS_CERTIFICATE_REQUEST, ERR_R_MALLOC_FAILURE);
goto err;
}
+ } else {
+ ssl_set_default_md(s);
}
/* get the CA RDNs */
goto err;
}
- if (s->s3->peer_rsa_tmp != NULL)
- rsa = s->s3->peer_rsa_tmp;
- else {
- pkey = X509_get_pubkey(s->session->peer);
- if ((pkey == NULL) || (pkey->type != EVP_PKEY_RSA)
- || (pkey->pkey.rsa == NULL)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE,
- ERR_R_INTERNAL_ERROR);
- EVP_PKEY_free(pkey);
- goto err;
- }
- rsa = pkey->pkey.rsa;
+ pkey = X509_get_pubkey(s->session->peer);
+ if ((pkey == NULL) || (pkey->type != EVP_PKEY_RSA)
+ || (pkey->pkey.rsa == NULL)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE,
+ ERR_R_INTERNAL_ERROR);
EVP_PKEY_free(pkey);
+ goto err;
}
+ rsa = pkey->pkey.rsa;
+ EVP_PKEY_free(pkey);
pms[0] = s->client_version >> 8;
pms[1] = s->client_version & 0xff;
EVP_PKEY_free(srvr_pub_pkey);
}
#endif /* !OPENSSL_NO_EC */
+#ifndef OPENSSL_NO_GOST
else if (alg_k & SSL_kGOST) {
/* GOST key exchange message creation */
EVP_PKEY_CTX *pkey_ctx;
unsigned char shared_ukm[32], tmp[256];
EVP_MD_CTX *ukm_hash;
EVP_PKEY *pub_key;
+ int dgst_nid = NID_id_GostR3411_94;
+ if ((s->s3->tmp.new_cipher->algorithm_auth & SSL_aGOST12) != 0)
+ dgst_nid = NID_id_GostR3411_2012_256;
+
pmslen = 32;
pms = OPENSSL_malloc(pmslen);
}
/*
* If we have send a certificate, and certificate key
- *
- * * parameters match those of server certificate, use
+ * parameters match those of server certificate, use
* certificate key for key exchange
*/
/* Otherwise, generate ephemeral key pair */
- EVP_PKEY_encrypt_init(pkey_ctx);
- /* Generate session key */
- if (RAND_bytes(pms, pmslen) <= 0) {
+ if (pkey_ctx == NULL
+ || EVP_PKEY_encrypt_init(pkey_ctx) <= 0
+ /* Generate session key */
+ || RAND_bytes(pms, pmslen) <= 0) {
EVP_PKEY_CTX_free(pkey_ctx);
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE,
ERR_R_INTERNAL_ERROR);
* data
*/
ukm_hash = EVP_MD_CTX_create();
- EVP_DigestInit(ukm_hash,
- EVP_get_digestbynid(NID_id_GostR3411_94));
- EVP_DigestUpdate(ukm_hash, s->s3->client_random,
- SSL3_RANDOM_SIZE);
- EVP_DigestUpdate(ukm_hash, s->s3->server_random,
- SSL3_RANDOM_SIZE);
- EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len);
+ if (EVP_DigestInit(ukm_hash,
+ EVP_get_digestbynid(dgst_nid)) <= 0
+ || EVP_DigestUpdate(ukm_hash, s->s3->client_random,
+ SSL3_RANDOM_SIZE) <= 0
+ || EVP_DigestUpdate(ukm_hash, s->s3->server_random,
+ SSL3_RANDOM_SIZE) <= 0
+ || EVP_DigestFinal_ex(ukm_hash, shared_ukm, &md_len) <= 0) {
+ EVP_MD_CTX_destroy(ukm_hash);
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE,
+ ERR_R_INTERNAL_ERROR);
+ goto err;
+ }
EVP_MD_CTX_destroy(ukm_hash);
if (EVP_PKEY_CTX_ctrl
(pkey_ctx, -1, EVP_PKEY_OP_ENCRYPT, EVP_PKEY_CTRL_SET_IV, 8,
*/
*(p++) = V_ASN1_SEQUENCE | V_ASN1_CONSTRUCTED;
msglen = 255;
- if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) < 0) {
+ if (EVP_PKEY_encrypt(pkey_ctx, tmp, &msglen, pms, pmslen) <= 0) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_KEY_EXCHANGE,
SSL_R_LIBRARY_BUG);
goto err;
EVP_PKEY_free(pub_key);
}
+#endif
#ifndef OPENSSL_NO_SRP
else if (alg_k & SSL_kSRP) {
if (s->srp_ctx.A != NULL) {
int tls_construct_client_verify(SSL *s)
{
unsigned char *p;
- unsigned char data[MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH];
EVP_PKEY *pkey;
- EVP_PKEY_CTX *pctx = NULL;
- EVP_MD_CTX mctx;
+ const EVP_MD *md = s->s3->tmp.md[s->cert->key - s->cert->pkeys];
+ EVP_MD_CTX *mctx;
unsigned u = 0;
- unsigned long n;
- int j;
+ unsigned long n = 0;
+ long hdatalen = 0;
+ void *hdata;
- EVP_MD_CTX_init(&mctx);
+ mctx = EVP_MD_CTX_create();
+ if (mctx == NULL) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE);
+ goto err;
+ }
p = ssl_handshake_start(s);
pkey = s->cert->key->privatekey;
- /* Create context from key and test if sha1 is allowed as digest */
- pctx = EVP_PKEY_CTX_new(pkey, NULL);
- if (pctx == NULL) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_MALLOC_FAILURE);
+
+ hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
+ if (hdatalen <= 0) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
goto err;
}
- EVP_PKEY_sign_init(pctx);
- if (EVP_PKEY_CTX_set_signature_md(pctx, EVP_sha1()) > 0) {
- if (!SSL_USE_SIGALGS(s))
- s->method->ssl3_enc->cert_verify_mac(s,
- NID_sha1,
- &(data
- [MD5_DIGEST_LENGTH]));
- } else {
- ERR_clear_error();
- }
- /*
- * For TLS v1.2 send signature algorithm and signature using agreed
- * digest and cached handshake records.
- */
if (SSL_USE_SIGALGS(s)) {
- long hdatalen = 0;
- void *hdata;
- const EVP_MD *md = s->s3->tmp.md[s->cert->key - s->cert->pkeys];
- hdatalen = BIO_get_mem_data(s->s3->handshake_buffer, &hdata);
- if (hdatalen <= 0 || !tls12_get_sigandhash(p, pkey, md)) {
+ if (!tls12_get_sigandhash(p, pkey, md)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
goto err;
}
p += 2;
+ n = 2;
+ }
#ifdef SSL_DEBUG
- fprintf(stderr, "Using TLS 1.2 with client alg %s\n",
- EVP_MD_name(md));
-#endif
- if (!EVP_SignInit_ex(&mctx, md, NULL)
- || !EVP_SignUpdate(&mctx, hdata, hdatalen)
- || !EVP_SignFinal(&mctx, p + 2, &u, pkey)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_EVP_LIB);
- goto err;
- }
- s2n(u, p);
- n = u + 4;
- /* Digest cached records and discard handshake buffer */
- if (!ssl3_digest_cached_records(s, 0))
- goto err;
- } else
-#ifndef OPENSSL_NO_RSA
- if (pkey->type == EVP_PKEY_RSA) {
- s->method->ssl3_enc->cert_verify_mac(s, NID_md5, &(data[0]));
- if (RSA_sign(NID_md5_sha1, data,
- MD5_DIGEST_LENGTH + SHA_DIGEST_LENGTH,
- &(p[2]), &u, pkey->pkey.rsa) <= 0) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_RSA_LIB);
- goto err;
- }
- s2n(u, p);
- n = u + 2;
- } else
-#endif
-#ifndef OPENSSL_NO_DSA
- if (pkey->type == EVP_PKEY_DSA) {
- if (!DSA_sign(pkey->save_type,
- &(data[MD5_DIGEST_LENGTH]),
- SHA_DIGEST_LENGTH, &(p[2]),
- (unsigned int *)&j, pkey->pkey.dsa)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_DSA_LIB);
- goto err;
- }
- s2n(j, p);
- n = j + 2;
- } else
-#endif
-#ifndef OPENSSL_NO_EC
- if (pkey->type == EVP_PKEY_EC) {
- if (!ECDSA_sign(pkey->save_type,
- &(data[MD5_DIGEST_LENGTH]),
- SHA_DIGEST_LENGTH, &(p[2]),
- (unsigned int *)&j, pkey->pkey.ec)) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_ECDSA_LIB);
- goto err;
- }
- s2n(j, p);
- n = j + 2;
- } else
-#endif
- if (pkey->type == NID_id_GostR3410_2001) {
- unsigned char signbuf[64];
- int i;
- size_t sigsize = 64;
- s->method->ssl3_enc->cert_verify_mac(s,
- NID_id_GostR3411_94, data);
- if (EVP_PKEY_sign(pctx, signbuf, &sigsize, data, 32) <= 0) {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
- goto err;
- }
- for (i = 63, j = 0; i >= 0; j++, i--) {
- p[2 + j] = signbuf[i];
- }
- s2n(j, p);
- n = j + 2;
- } else {
- SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
+ fprintf(stderr, "Using client alg %s\n", EVP_MD_name(md));
+#endif
+ if (!EVP_SignInit_ex(mctx, md, NULL)
+ || !EVP_SignUpdate(mctx, hdata, hdatalen)
+ || (s->version == SSL3_VERSION
+ && !EVP_MD_CTX_ctrl(mctx, EVP_CTRL_SSL3_MASTER_SECRET,
+ s->session->master_key_length,
+ s->session->master_key))
+ || !EVP_SignFinal(mctx, p + 2, &u, pkey)) {
+ SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_EVP_LIB);
goto err;
}
+#ifndef OPENSSL_NO_GOST
+ if (pkey->type == NID_id_GostR3410_2001
+ || pkey->type == NID_id_GostR3410_2012_256
+ || pkey->type == NID_id_GostR3410_2012_512) {
+ BUF_reverse(p + 2, NULL, u);
+ }
+#endif
+
+ s2n(u, p);
+ n += u + 2;
+ /* Digest cached records and discard handshake buffer */
+ if (!ssl3_digest_cached_records(s, 0))
+ goto err;
if (!ssl_set_handshake_header(s, SSL3_MT_CERTIFICATE_VERIFY, n)) {
SSLerr(SSL_F_TLS_CONSTRUCT_CLIENT_VERIFY, ERR_R_INTERNAL_ERROR);
goto err;
}
- EVP_MD_CTX_cleanup(&mctx);
- EVP_PKEY_CTX_free(pctx);
+ EVP_MD_CTX_destroy(mctx);
return 1;
err:
- EVP_MD_CTX_cleanup(&mctx);
- EVP_PKEY_CTX_free(pctx);
+ EVP_MD_CTX_destroy(mctx);
return 0;
}
int i, idx;
long alg_k, alg_a;
EVP_PKEY *pkey = NULL;
- int pkey_bits;
-#ifndef OPENSSL_NO_RSA
- RSA *rsa;
-#endif
#ifndef OPENSSL_NO_DH
DH *dh;
#endif
/* we don't have a certificate */
if ((alg_a & SSL_aNULL) || (alg_k & SSL_kPSK))
return (1);
-#ifndef OPENSSL_NO_RSA
- rsa = s->s3->peer_rsa_tmp;
-#endif
#ifndef OPENSSL_NO_DH
dh = s->s3->peer_dh_tmp;
#endif
}
#endif
pkey = X509_get_pubkey(s->session->peer);
- pkey_bits = EVP_PKEY_bits(pkey);
i = X509_certificate_type(s->session->peer, pkey);
EVP_PKEY_free(pkey);
}
#endif
#ifndef OPENSSL_NO_RSA
- if (alg_k & (SSL_kRSA | SSL_kRSAPSK)) {
- if (!SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
- !has_bits(i, EVP_PK_RSA | EVP_PKT_ENC)) {
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_MISSING_RSA_ENCRYPTING_CERT);
- goto f_err;
- } else if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher)) {
- if (pkey_bits <= SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) {
- if (!has_bits(i, EVP_PK_RSA | EVP_PKT_ENC)) {
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_MISSING_RSA_ENCRYPTING_CERT);
- goto f_err;
- }
- if (rsa != NULL) {
- /* server key exchange is not allowed. */
- al = SSL_AD_INTERNAL_ERROR;
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM, ERR_R_INTERNAL_ERROR);
- goto f_err;
- }
- }
- }
+ if (alg_k & (SSL_kRSA | SSL_kRSAPSK) &&
+ !has_bits(i, EVP_PK_RSA | EVP_PKT_ENC)) {
+ SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
+ SSL_R_MISSING_RSA_ENCRYPTING_CERT);
+ goto f_err;
}
#endif
#ifndef OPENSSL_NO_DH
# endif
#endif
- if (SSL_C_IS_EXPORT(s->s3->tmp.new_cipher) &&
- pkey_bits > SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) {
-#ifndef OPENSSL_NO_RSA
- if (alg_k & SSL_kRSA) {
- if (rsa == NULL) {
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_MISSING_EXPORT_TMP_RSA_KEY);
- goto f_err;
- } else if (RSA_bits(rsa) >
- SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) {
- /* We have a temporary RSA key but it's too large. */
- al = SSL_AD_EXPORT_RESTRICTION;
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_MISSING_EXPORT_TMP_RSA_KEY);
- goto f_err;
- }
- } else
-#endif
-#ifndef OPENSSL_NO_DH
- if (alg_k & SSL_kDHE) {
- if (DH_bits(dh) >
- SSL_C_EXPORT_PKEYLENGTH(s->s3->tmp.new_cipher)) {
- /* We have a temporary DH key but it's too large. */
- al = SSL_AD_EXPORT_RESTRICTION;
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_MISSING_EXPORT_TMP_DH_KEY);
- goto f_err;
- }
- } else if (alg_k & (SSL_kDHr | SSL_kDHd)) {
- /* The cert should have had an export DH key. */
- al = SSL_AD_EXPORT_RESTRICTION;
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_MISSING_EXPORT_TMP_DH_KEY);
- goto f_err;
- } else
-#endif
- {
- SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,
- SSL_R_UNKNOWN_KEY_EXCHANGE_TYPE);
- goto f_err;
- }
- }
return (1);
f_err:
ssl3_send_alert(s, SSL3_AL_FATAL, al);
projects / openssl.git / blobdiff