New Configure option no-<cipher> (rsa, idea, rc5, ...).

Configure

@@ -20,7 +20,7 @@ my $usage="Usage: Configure [-Dxxx] [-lxxx] [-Lxxx] [-fxxx] [-Kxxx] [rsaref] [no
 # rsaref        use RSAref
 # no-asm        do not use assembler
 # 386           generate 80386 code
-# no-CIPHER     build without specified algorithm
+# no-<cipher>   build without specified algorithm (rsa, idea, rc5, ...)
 # -D, -L, -l, -f, -K: compiler options are passed through 
 # 
 # DES_PTR	use pointer lookup vs arrays in the DES in crypto/des/des_locl.h

crypto/rsa/rsa_eay.c

@@ -115,9 +115,11 @@ static int RSA_eay_public_encrypt(int flen, unsigned char *from,
 	case RSA_PKCS1_PADDING:
 		i=RSA_padding_add_PKCS1_type_2(buf,num,from,flen);
 		break;
+#ifndef NO_SHA
 	case RSA_PKCS1_OAEP_PADDING:
 	        i=RSA_padding_add_PKCS1_OAEP(buf,num,from,flen,NULL,0);
 		break;
+#endif
 	case RSA_SSLV23_PADDING:
 		i=RSA_padding_add_SSLv23(buf,num,from,flen);
 		break;
@@ -299,9 +301,11 @@ static int RSA_eay_private_decrypt(int flen, unsigned char *from,
 	case RSA_PKCS1_PADDING:
 		r=RSA_padding_check_PKCS1_type_2(to,num,buf,j,num);
 		break;
+#ifndef NO_SHA
         case RSA_PKCS1_OAEP_PADDING:
 	        r=RSA_padding_check_PKCS1_OAEP(to,num,buf,j,num,NULL,0);
                 break;
+#endif
  	case RSA_SSLV23_PADDING:
 		r=RSA_padding_check_SSLv23(to,num,buf,j,num);
 		break;

crypto/rsa/rsa_oaep.c

@@ -4,6 +4,7 @@
 
 /* EME_OAEP as defined in RFC 2437 (PKCS #1 v2.0) */
 
+#ifndef NO_SHA
 #include <stdio.h>
 #include "cryptlib.h"
 #include <openssl/bn.h>
@@ -156,3 +157,4 @@ int MGF1(unsigned char *mask, long len, unsigned char *seed, long seedlen)
 	}
     return (0);
     }
+#endif

rsaref/rsaref.c

@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#ifndef NO_RSA
 #include <stdio.h>
 #include "cryptlib.h"
 #include <openssl/bn.h>
@@ -296,4 +297,4 @@ err:
 	memset(&rnd,0,sizeof(rnd));
 	return(outlen);
 	}
-
+#endif

rsaref/rsaref.h

@@ -59,6 +59,7 @@
 #ifndef HEADER_RSAREF_H
 #define HEADER_RSAREF_H
 
+#ifndef NO_RSA
 #include <openssl/rsa.h>
 
 /* RSAeuro */
@@ -128,6 +129,7 @@ int R_RandomFinal(RSARandomState *rnd);
 
 void ERR_load_RSAREF_strings(void );
 RSA_METHOD *RSA_PKCS1_RSAref(void );
+#endif
 
 /* BEGIN ERROR CODES */
 /* The following lines are auto generated by the script mkerr.pl. Any changes

ssl/s23_clnt.c

@@ -68,9 +68,11 @@ static int ssl23_client_hello(SSL *s);
 static int ssl23_get_server_hello(SSL *s);
 static SSL_METHOD *ssl23_get_client_method(int ver)
 	{
+#ifndef NO_RSA
 	if (ver == SSL2_VERSION)
 		return(SSLv2_client_method());
-	else if (ver == SSL3_VERSION)
+#endif
+	if (ver == SSL3_VERSION)
 		return(SSLv3_client_method());
 	else if (ver == TLS1_VERSION)
 		return(TLSv1_client_method());
@@ -320,6 +322,9 @@ static int ssl23_get_server_hello(SSL *s)
 	if ((p[0] & 0x80) && (p[2] == SSL2_MT_SERVER_HELLO) &&
 		(p[5] == 0x00) && (p[6] == 0x02))
 		{
+#ifdef NO_RSA
+		goto err;
+#else
 		/* we are talking sslv2 */
 		/* we need to clean up the SSLv3 setup and put in the
 		 * sslv2 stuff. */
@@ -375,6 +380,7 @@ static int ssl23_get_server_hello(SSL *s)
 
 		s->method=SSLv2_client_method();
 		s->handshake_func=s->method->ssl_connect;
+#endif
 		}
 	else if ((p[0] == SSL3_RT_HANDSHAKE) &&
 		 (p[1] == SSL3_VERSION_MAJOR) &&

ssl/s23_srvr.c

@@ -67,9 +67,11 @@ static SSL_METHOD *ssl23_get_server_method(int ver);
 int ssl23_get_client_hello(SSL *s);
 static SSL_METHOD *ssl23_get_server_method(int ver)
 	{
+#ifndef NO_RSA
 	if (ver == SSL2_VERSION)
 		return(SSLv2_server_method());
-	else if (ver == SSL3_VERSION)
+#endif
+	if (ver == SSL3_VERSION)
 		return(SSLv3_server_method());
 	else if (ver == TLS1_VERSION)
 		return(TLSv1_server_method());
@@ -404,6 +406,9 @@ next_bit:
 
 	if (type == 1)
 		{
+#ifdef NO_RSA
+		goto err;
+#else
 		/* we are talking sslv2 */
 		/* we need to clean up the SSLv3/TLSv1 setup and put in the
 		 * sslv2 stuff. */
@@ -442,6 +447,7 @@ next_bit:
 
 		s->method=SSLv2_server_method();
 		s->handshake_func=s->method->ssl_accept;
+#endif
 		}
 
 	if ((type == 2) || (type == 3))

ssl/s2_clnt.c

@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#ifndef NO_RSA
 #include <stdio.h>
 #include <openssl/rand.h>
 #include <openssl/buffer.h>
@@ -963,4 +964,4 @@ end:
 	EVP_PKEY_free(pkey);
 	return(i);
 	}
-
+#endif

ssl/s2_lib.c

@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#ifndef NO_RSA
 #include <stdio.h>
 #include <openssl/rsa.h>
 #include <openssl/objects.h>
@@ -414,4 +415,4 @@ int ssl2_shutdown(SSL *s)
 	s->shutdown=(SSL_SENT_SHUTDOWN|SSL_RECEIVED_SHUTDOWN);
 	return(1);
 	}
-
+#endif

ssl/s2_meth.c

@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#ifndef NO_RSA
 #include <stdio.h>
 #include <openssl/objects.h>
 #include "ssl_locl.h"
@@ -85,4 +86,4 @@ SSL_METHOD *SSLv2_method(void)
 		}
 	return(&SSLv2_data);
 	}
-
+#endif

ssl/s2_srvr.c

@@ -56,6 +56,7 @@
  * [including the GNU Public Licence.]
  */
 
+#ifndef NO_RSA
 #include <stdio.h>
 #include <openssl/bio.h>
 #include <openssl/rand.h>
@@ -940,4 +941,4 @@ static int ssl_rsa_private_decrypt(CERT *c, int len, unsigned char *from,
 		SSLerr(SSL_F_SSL_RSA_PRIVATE_DECRYPT,ERR_R_RSA_LIB);
 	return(i);
 	}
-
+#endif

ssl/s3_clnt.c

@@ -828,7 +828,9 @@ static int ssl3_get_key_exchange(SSL *s)
 	int al,i,j,param_len,ok;
 	long n,alg;
 	EVP_PKEY *pkey=NULL;
+#ifndef NO_RSA
 	RSA *rsa=NULL;
+#endif
 #ifndef NO_DH
 	DH *dh=NULL;
 #endif
@@ -1287,10 +1289,13 @@ static int ssl3_get_server_done(SSL *s)
 
 static int ssl3_send_client_key_exchange(SSL *s)
 	{
-	unsigned char *p,*q,*d;
+	unsigned char *p,*d;
 	int n;
 	unsigned long l;
+#ifndef NO_RSA
+	unsigned char *q;
 	EVP_PKEY *pkey=NULL;
+#endif
 
 	if (s->state == SSL3_ST_CW_KEY_EXCH_A)
 		{
@@ -1440,7 +1445,9 @@ static int ssl3_send_client_verify(SSL *s)
 	unsigned char *p,*d;
 	unsigned char data[MD5_DIGEST_LENGTH+SHA_DIGEST_LENGTH];
 	EVP_PKEY *pkey;
+#ifndef NO_RSA
 	int i=0;
+#endif
 	unsigned long n;
 #ifndef NO_DSA
 	int j;
@@ -1590,8 +1597,12 @@ static int ssl3_check_cert_and_algorithm(SSL *s)
 	long algs;
 	EVP_PKEY *pkey=NULL;
 	CERT *c;
+#ifndef NO_RSA
 	RSA *rsa;
+#endif
+#ifndef NO_DH
 	DH *dh;
+#endif
 
 	c=s->session->cert;
 
@@ -1607,8 +1618,12 @@ static int ssl3_check_cert_and_algorithm(SSL *s)
 	if (algs & (SSL_aDH|SSL_aNULL))
 		return(1);
 
+#ifndef NO_RSA
 	rsa=s->session->cert->rsa_tmp;
+#endif
+#ifndef NO_DH
 	dh=s->session->cert->dh_tmp;
+#endif
 
 	/* This is the passed certificate */
 
@@ -1631,15 +1646,16 @@ static int ssl3_check_cert_and_algorithm(SSL *s)
 		goto f_err;
 		}
 #endif
-
+#ifndef NO_RSA
 	if ((algs & SSL_kRSA) &&
 		!(has_bits(i,EVP_PK_RSA|EVP_PKT_ENC) || (rsa != NULL)))
 		{
 		SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_RSA_ENCRYPTING_CERT);
 		goto f_err;
 		}
+#endif
 #ifndef NO_DH
-	else if ((algs & SSL_kEDH) &&
+	if ((algs & SSL_kEDH) &&
 		!(has_bits(i,EVP_PK_DH|EVP_PKT_EXCH) || (dh != NULL)))
 		{
 		SSLerr(SSL_F_SSL3_CHECK_CERT_AND_ALGORITHM,SSL_R_MISSING_DH_KEY);

ssl/s3_srvr.c

@@ -1183,8 +1183,10 @@ static int ssl3_get_client_key_exchange(SSL *s)
 	long n;
 	unsigned long l;
 	unsigned char *p;
+#ifndef NO_RSA
 	RSA *rsa=NULL;
 	EVP_PKEY *pkey=NULL;
+#endif
 #ifndef NO_DH
 	BIGNUM *pub=NULL;
 	DH *dh_srvr;

ssl/ssl.h

@@ -852,7 +852,9 @@ int	SSL_get_verify_mode(SSL *s);
 int	(*SSL_get_verify_callback(SSL *s))(int,X509_STORE_CTX *);
 void	SSL_set_verify(SSL *s, int mode,
 		       int (*callback)(int ok,X509_STORE_CTX *ctx));
+#ifndef NO_RSA
 int	SSL_use_RSAPrivateKey(SSL *ssl, RSA *rsa);
+#endif
 int	SSL_use_RSAPrivateKey_ASN1(SSL *ssl, unsigned char *d, long len);
 int	SSL_use_PrivateKey(SSL *ssl, EVP_PKEY *pkey);
 int	SSL_use_PrivateKey_ASN1(int pk,SSL *ssl, unsigned char *d, long len);
@@ -912,7 +914,9 @@ int (*SSL_CTX_get_verify_callback(SSL_CTX *ctx))(int,X509_STORE_CTX *);
 void SSL_CTX_set_verify(SSL_CTX *ctx,int mode,
 			int (*callback)(int, X509_STORE_CTX *));
 void SSL_CTX_set_cert_verify_cb(SSL_CTX *ctx, int (*cb)(),char *arg);
+#ifndef NO_RSA
 int SSL_CTX_use_RSAPrivateKey(SSL_CTX *ctx, RSA *rsa);
+#endif
 int SSL_CTX_use_RSAPrivateKey_ASN1(SSL_CTX *ctx, unsigned char *d, long len);
 int SSL_CTX_use_PrivateKey(SSL_CTX *ctx, EVP_PKEY *pkey);
 int SSL_CTX_use_PrivateKey_ASN1(int pk,SSL_CTX *ctx,
@@ -1046,17 +1050,21 @@ int SSL_get_ex_data_X509_STORE_CTX_idx(void );
 	SSL_CTX_ctrl(ctx,SSL_CTRL_SET_READ_AHEAD,0,NULL)
 
      /* NB: the keylength is only applicable when export is true */
+#ifndef NO_RSA
 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,
 				  RSA *(*cb)(SSL *ssl,int export,
 					     int keylength));
-void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
-				 DH *(*dh)(SSL *ssl,int export,int keylength));
 
 void SSL_set_tmp_rsa_callback(SSL *ssl,
 				  RSA *(*cb)(SSL *ssl,int export,
 					     int keylength));
+#endif
+#ifndef NO_DH
+void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,
+				 DH *(*dh)(SSL *ssl,int export,int keylength));
 void SSL_set_tmp_dh_callback(SSL *ssl,
 				 DH *(*dh)(SSL *ssl,int export,int keylength));
+#endif
 
 #ifdef HEADER_COMP_H
 int SSL_COMP_add_compression_method(int id,COMP_METHOD *cm);

ssl/ssl3.h

@@ -322,8 +322,9 @@ typedef struct ssl3_ctx_st
 
 		/* used to hold the new cipher we are going to use */
 		SSL_CIPHER *new_cipher;
+#ifndef NO_DH
 		DH *dh;
-
+#endif
 		/* used when SSL_ST_FLUSH_DATA is entered */
 		int next_state;			
 

ssl/ssl_lib.c

@@ -1762,9 +1762,17 @@ int SSL_want(SSL *s)
  * \param cb the callback
  */
 
+#ifndef NO_RSA
 void SSL_CTX_set_tmp_rsa_callback(SSL_CTX *ctx,RSA *(*cb)(SSL *ssl,int export,
 							  int keylength))
     { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
+#endif
+
+#ifndef NO_RSA
+void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int export,
+							  int keylength))
+    { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
+#endif
 
 #ifdef DOXYGEN
 /*!
@@ -1787,17 +1795,15 @@ RSA *cb(SSL *ssl,int export,int keylength)
  * \param dh the callback
  */
 
+#ifndef NO_DH
 void SSL_CTX_set_tmp_dh_callback(SSL_CTX *ctx,DH *(*dh)(SSL *ssl,int export,
 							int keylength))
     { SSL_CTX_ctrl(ctx,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
 
-void SSL_set_tmp_rsa_callback(SSL *ssl,RSA *(*cb)(SSL *ssl,int export,
-							  int keylength))
-    { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_RSA_CB,0,(char *)cb); }
-
 void SSL_set_tmp_dh_callback(SSL *ssl,DH *(*dh)(SSL *ssl,int export,
 							int keylength))
     { SSL_ctrl(ssl,SSL_CTRL_SET_TMP_DH_CB,0,(char *)dh); }
+#endif
 
 #if defined(_WINDLL) && defined(WIN16)
 #include "../crypto/bio/bss_file.c"

ssl/ssl_locl.h

@@ -273,15 +273,18 @@ typedef struct cert_st
 	int valid;
 	unsigned long mask;
 	unsigned long export_mask;
-
+#ifndef NO_RSA
 	RSA *rsa_tmp;
+	RSA *(*rsa_tmp_cb)(SSL *ssl,int export,int keysize);
+#endif
+#ifndef NO_DH
 	DH *dh_tmp;
 	/* FIXME: Although rsa_tmp and dh_tmp are properties of the cert,
 	   callbacks probably aren't, and besides only the context default
 	   cert's callbacks are actually used. Too close to a release to fix
 	   this now - Ben 6 Mar 1999 */
-	RSA *(*rsa_tmp_cb)(SSL *ssl,int export,int keysize);
 	DH *(*dh_tmp_cb)(SSL *ssl,int export,int keysize);
+#endif
 	CERT_PKEY pkeys[SSL_PKEY_NUM];
 
 	STACK_OF(X509) *cert_chain;

ssl/ssltest.c

@@ -70,12 +70,18 @@
 #include "../crypto/bio/bss_file.c"
 #endif
 
+#if defined(NO_RSA) && !defined(NO_SSL2)
+#define NO_SSL2
+#endif
+
 #define TEST_SERVER_CERT "../apps/server.pem"
 #define TEST_CLIENT_CERT "../apps/client.pem"
 
 int MS_CALLBACK verify_callback(int ok, X509_STORE_CTX *ctx);
+#ifndef NO_RSA
 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export,int keylength);
-#ifndef NO_DSA
+#endif
+#ifndef NO_DH
 static DH *get_dh512(void);
 #endif
 BIO *bio_err=NULL;
@@ -710,6 +716,7 @@ static DH *get_dh512(void)
 	}
 #endif
 
+#ifndef NO_RSA
 static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
 	{
 	static RSA *rsa_tmp=NULL;
@@ -718,13 +725,10 @@ static RSA MS_CALLBACK *tmp_rsa_cb(SSL *s, int export, int keylength)
 		{
 		BIO_printf(bio_err,"Generating temp (%d bit) RSA key...",keylength);
 		BIO_flush(bio_err);
-#ifndef NO_RSA
 		rsa_tmp=RSA_generate_key(keylength,RSA_F4,NULL,NULL);
-#endif
 		BIO_printf(bio_err,"\n");
 		BIO_flush(bio_err);
 		}
 	return(rsa_tmp);
 	}
-
-
+#endif