remove FIPS mode support. people who require FIPS can buy something that

meets their needs, but dumping it in here only penalizes the rest of us.
ok miod

7 files changed, 2 insertions, 109 deletions

diff --git a/lib/libssl/s23_clnt.c b/lib/libssl/s23_clnt.c
index 8ed79c3d557..3d2e7510cf5 100644
--- a/lib/libssl/s23_clnt.c
+++ b/lib/libssl/s23_clnt.c
@@ -387,15 +387,7 @@ ssl23_client_hello(SSL *s)
 		} else if (version == TLS1_VERSION) {
 			version_major = TLS1_VERSION_MAJOR;
 			version_minor = TLS1_VERSION_MINOR;
-		}
-#ifdef OPENSSL_FIPS
-		else if (FIPS_mode()) {
-			SSLerr(SSL_F_SSL23_CLIENT_HELLO,
-			SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
-			return -1;
-		}
-#endif
-		else if (version == SSL3_VERSION) {
+		} else if (version == SSL3_VERSION) {
 			version_major = SSL3_VERSION_MAJOR;
 			version_minor = SSL3_VERSION_MINOR;
 		} else if (version == SSL2_VERSION) {
@@ -671,13 +663,6 @@ ssl23_get_server_hello(SSL *s)
 
 		if ((p[2] == SSL3_VERSION_MINOR) &&
 		    !(s->options & SSL_OP_NO_SSLv3)) {
-#ifdef OPENSSL_FIPS
-			if (FIPS_mode()) {
-				SSLerr(SSL_F_SSL23_GET_SERVER_HELLO,
-				SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
-				goto err;
-			}
-#endif
 			s->version = SSL3_VERSION;
 			s->method = SSLv3_client_method();
 		} else if ((p[2] == TLS1_VERSION_MINOR) &&
diff --git a/lib/libssl/s23_srvr.c b/lib/libssl/s23_srvr.c
index 2aad21e93ca..ca95d4e6362 100644
--- a/lib/libssl/s23_srvr.c
+++ b/lib/libssl/s23_srvr.c
@@ -115,9 +115,6 @@
 #include <openssl/rand.h>
 #include <openssl/objects.h>
 #include <openssl/evp.h>
-#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
-#endif
 
 static const SSL_METHOD *ssl23_get_server_method(int ver);
 int ssl23_get_client_hello(SSL *s);
@@ -388,14 +385,6 @@ ssl23_get_client_hello(SSL *s)
 		}
 	}
 
-#ifdef OPENSSL_FIPS
-	if (FIPS_mode() && (s->version < TLS1_VERSION)) {
-		SSLerr(SSL_F_SSL23_GET_CLIENT_HELLO,
-		    SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
-		goto err;
-	}
-#endif
-
 	if (s->state == SSL23_ST_SR_CLNT_HELLO_B) {
 		/* we have SSLv3/TLSv1 in an SSLv2 header
 		 * (other cases skip this state) */
diff --git a/lib/libssl/s3_cbc.c b/lib/libssl/s3_cbc.c
index d6cc9b47710..964266e5b26 100644
--- a/lib/libssl/s3_cbc.c
+++ b/lib/libssl/s3_cbc.c
@@ -386,10 +386,6 @@ tls1_sha512_final_raw(void* ctx, unsigned char *md_out)
 char
 ssl3_cbc_record_digest_supported(const EVP_MD_CTX *ctx)
 {
-#ifdef OPENSSL_FIPS
-	if (FIPS_mode())
-		return 0;
-#endif
 	switch (EVP_MD_CTX_type(ctx)) {
 	case NID_md5:
 	case NID_sha1:
@@ -710,50 +706,3 @@ void ssl3_cbc_digest_record(const EVP_MD_CTX *ctx, unsigned char* md_out,
 		*md_out_size = md_out_size_u;
 	EVP_MD_CTX_cleanup(&md_ctx);
 }
-
-#ifdef OPENSSL_FIPS
-
-/* Due to the need to use EVP in FIPS mode we can't reimplement digests but
- * we can ensure the number of blocks processed is equal for all cases
- * by digesting additional data.
- */
-
-void tls_fips_digest_extra(const EVP_CIPHER_CTX *cipher_ctx,
-    EVP_MD_CTX *mac_ctx, const unsigned char *data, size_t data_len,
-    size_t orig_len)
-{
-	size_t block_size, digest_pad, blocks_data, blocks_orig;
-	if (EVP_CIPHER_CTX_mode(cipher_ctx) != EVP_CIPH_CBC_MODE)
-		return;
-	block_size = EVP_MD_CTX_block_size(mac_ctx);
-	/* We are in FIPS mode if we get this far so we know we have only SHA*
-	 * digests and TLS to deal with.
-	 * Minimum digest padding length is 17 for SHA384/SHA512 and 9
-	 * otherwise.
-	 * Additional header is 13 bytes. To get the number of digest blocks
-	 * processed round up the amount of data plus padding to the nearest
-	 * block length. Block length is 128 for SHA384/SHA512 and 64 otherwise.
-	 * So we have:
-	 * blocks = (payload_len + digest_pad + 13 + block_size - 1)/block_size
-	 * equivalently:
-	 * blocks = (payload_len + digest_pad + 12)/block_size + 1
-	 * HMAC adds a constant overhead.
-	 * We're ultimately only interested in differences so this becomes
-	 * blocks = (payload_len + 29)/128
-	 * for SHA384/SHA512 and
-	 * blocks = (payload_len + 21)/64
-	 * otherwise.
-	 */
-	digest_pad = block_size == 64 ? 21 : 29;
-	blocks_orig = (orig_len + digest_pad)/block_size;
-	blocks_data = (data_len + digest_pad)/block_size;
-	/* MAC enough blocks to make up the difference between the original
-	 * and actual lengths plus one extra block to ensure this is never a
-	 * no op. The "data" pointer should always have enough space to
-	 * perform this operation as it is large enough for a maximum
-	 * length TLS buffer. 
-	 */
-	EVP_DigestSignUpdate(mac_ctx, data,
-	(blocks_orig - blocks_data + 1) * block_size);
-}
-#endif
diff --git a/lib/libssl/s3_clnt.c b/lib/libssl/s3_clnt.c
index c1460266fe4..88be294ab78 100644
--- a/lib/libssl/s3_clnt.c
+++ b/lib/libssl/s3_clnt.c
@@ -156,9 +156,6 @@
 #include <openssl/objects.h>
 #include <openssl/evp.h>
 #include <openssl/md5.h>
-#ifdef OPENSSL_FIPS
-#include <openssl/fips.h>
-#endif
 #ifndef OPENSSL_NO_DH
 #include <openssl/dh.h>
 #endif
diff --git a/lib/libssl/ssl_ciph.c b/lib/libssl/ssl_ciph.c
index ed2e78bdcc9..ed5ac725a23 100644
--- a/lib/libssl/ssl_ciph.c
+++ b/lib/libssl/ssl_ciph.c
@@ -617,11 +617,6 @@ ssl_cipher_get_evp(const SSL_SESSION *s, const EVP_CIPHER **enc,
 			s->ssl_version < TLS1_VERSION)
 		return 1;
 
-#ifdef OPENSSL_FIPS
-		if (FIPS_mode())
-			return 1;
-#endif
-
 		if (c->algorithm_enc == SSL_RC4 &&
 			c->algorithm_mac == SSL_MD5 &&
 		(evp = EVP_get_cipherbyname("RC4-HMAC-MD5")))
@@ -798,9 +793,6 @@ CIPHER_ORDER **head_p, CIPHER_ORDER **tail_p)
 		c = ssl_method->get_cipher(i);
 		/* drop those that use any of that is not available */
 		if ((c != NULL) && c->valid &&
-#ifdef OPENSSL_FIPS
-		(!FIPS_mode() || (c->algo_strength & SSL_FIPS)) &&
-#endif
 		!(c->algorithm_mkey & disabled_mkey) &&
 		!(c->algorithm_auth & disabled_auth) &&
 		!(c->algorithm_enc & disabled_enc) &&
@@ -1461,12 +1453,7 @@ const char *rule_str)
 	 * to the resulting precedence to the STACK_OF(SSL_CIPHER).
 	 */
 	for (curr = head; curr != NULL; curr = curr->next) {
-#ifdef OPENSSL_FIPS
-		if (curr->active && (!FIPS_mode() || curr->cipher->algo_strength & SSL_FIPS))
-#else
-		if (curr->active)
-#endif
-		{
+		if (curr->active) {
 			sk_SSL_CIPHER_push(cipherstack, curr->cipher);
 #ifdef CIPHER_DEBUG
 			printf("<%s>\n", curr->cipher->name);
diff --git a/lib/libssl/ssl_lib.c b/lib/libssl/ssl_lib.c
index 98764b82aa1..b5ba0f4aac5 100644
--- a/lib/libssl/ssl_lib.c
+++ b/lib/libssl/ssl_lib.c
@@ -1708,13 +1708,6 @@ SSL_CTX
 		return (NULL);
 	}
 
-#ifdef OPENSSL_FIPS
-	if (FIPS_mode() && (meth->version < TLS1_VERSION)) {
-		SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_ONLY_TLS_ALLOWED_IN_FIPS_MODE);
-		return NULL;
-	}
-#endif
-
 	if (SSL_get_ex_data_X509_STORE_CTX_idx() < 0) {
 		SSLerr(SSL_F_SSL_CTX_NEW, SSL_R_X509_VERIFICATION_SETUP_PROBLEMS);
 		goto err;
diff --git a/lib/libssl/t1_enc.c b/lib/libssl/t1_enc.c
index e59e883424e..71d9f164b48 100644
--- a/lib/libssl/t1_enc.c
+++ b/lib/libssl/t1_enc.c
@@ -981,13 +981,6 @@ tls1_mac(SSL *ssl, unsigned char *md, int send)
 		EVP_DigestSignUpdate(mac_ctx, rec->input, rec->length);
 		t = EVP_DigestSignFinal(mac_ctx, md, &md_size);
 		OPENSSL_assert(t > 0);
-#ifdef OPENSSL_FIPS
-		if (!send && FIPS_mode())
-			tls_fips_digest_extra(
-		ssl->enc_read_ctx,
-		mac_ctx, rec->input,
-		rec->length, orig_len);
-#endif
 	}
 
 	if (!stream_mac)