#include <openssl/rsa.h>
#include <openssl/objects.h>
#include <openssl/x509.h>
-#include <openssl/engine.h>
/* Size of an SSL signature: MD5+SHA1 */
#define SSL_SIG_LENGTH 36
const unsigned char *s = NULL;
X509_ALGOR algor;
ASN1_OCTET_STRING digest;
- if(rsa->flags & RSA_FLAG_SIGN_VER)
- return ENGINE_get_RSA(rsa->engine)->rsa_sign(type,
- m, m_len, sigret, siglen, rsa);
+ if((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_sign)
+ {
+ return rsa->meth->rsa_sign(type, m, m_len,
+ sigret, siglen, rsa);
+ }
/* Special case: SSL signature, just check the length */
if(type == NID_md5_sha1) {
if(m_len != SSL_SIG_LENGTH) {
i=i2d_X509_SIG(&sig,NULL);
}
j=RSA_size(rsa);
- if ((i-RSA_PKCS1_PADDING) > j)
+ if (i > (j-RSA_PKCS1_PADDING_SIZE))
{
RSAerr(RSA_F_RSA_SIGN,RSA_R_DIGEST_TOO_BIG_FOR_RSA_KEY);
return(0);
*siglen=i;
if(type != NID_md5_sha1) {
- memset(tmps,0,(unsigned int)j+1);
+ OPENSSL_cleanse(tmps,(unsigned int)j+1);
OPENSSL_free(tmps);
}
return(ret);
}
-int RSA_verify(int dtype, const unsigned char *m, unsigned int m_len,
- unsigned char *sigbuf, unsigned int siglen, RSA *rsa)
+int int_rsa_verify(int dtype, const unsigned char *m, unsigned int m_len,
+ unsigned char *rm, unsigned int *prm_len,
+ const unsigned char *sigbuf, unsigned int siglen,
+ RSA *rsa)
{
int i,ret=0,sigtype;
- unsigned char *p,*s;
+ unsigned char *s;
X509_SIG *sig=NULL;
if (siglen != (unsigned int)RSA_size(rsa))
return(0);
}
- if(rsa->flags & RSA_FLAG_SIGN_VER)
- return ENGINE_get_RSA(rsa->engine)->rsa_verify(dtype,
- m, m_len, sigbuf, siglen, rsa);
+ if((dtype == NID_md5_sha1) && rm)
+ {
+ i = RSA_public_decrypt((int)siglen,
+ sigbuf,rm,rsa,RSA_PKCS1_PADDING);
+ if (i <= 0)
+ return 0;
+ *prm_len = i;
+ return 1;
+ }
s=(unsigned char *)OPENSSL_malloc((unsigned int)siglen);
if (s == NULL)
}
if((dtype == NID_md5_sha1) && (m_len != SSL_SIG_LENGTH) ) {
RSAerr(RSA_F_RSA_VERIFY,RSA_R_INVALID_MESSAGE_LENGTH);
- return(0);
+ goto err;
}
i=RSA_public_decrypt((int)siglen,sigbuf,s,rsa,RSA_PKCS1_PADDING);
RSAerr(RSA_F_RSA_VERIFY,RSA_R_BAD_SIGNATURE);
else ret = 1;
} else {
- p=s;
+ const unsigned char *p=s;
sig=d2i_X509_SIG(NULL,&p,(long)i);
if (sig == NULL) goto err;
(sigtype == NID_md2WithRSAEncryption)))
{
/* ok, we will let it through */
- #if !defined(NO_STDIO) && !defined(WIN16)
+#if !defined(OPENSSL_NO_STDIO) && !defined(OPENSSL_SYS_WIN16)
fprintf(stderr,"signature has problems, re-make with post SSLeay045\n");
- #endif
+#endif
}
else
{
goto err;
}
}
- if ( ((unsigned int)sig->digest->length != m_len) ||
+ if (rm)
+ {
+ const EVP_MD *md;
+ md = EVP_get_digestbynid(dtype);
+ if (md && (EVP_MD_size(md) != sig->digest->length))
+ RSAerr(RSA_F_RSA_VERIFY,
+ RSA_R_INVALID_DIGEST_LENGTH);
+ else
+ {
+ memcpy(rm, sig->digest->data,
+ sig->digest->length);
+ *prm_len = sig->digest->length;
+ ret = 1;
+ }
+ }
+ else if (((unsigned int)sig->digest->length != m_len) ||
(memcmp(m,sig->digest->data,m_len) != 0))
{
RSAerr(RSA_F_RSA_VERIFY,RSA_R_BAD_SIGNATURE);
}
err:
if (sig != NULL) X509_SIG_free(sig);
- memset(s,0,(unsigned int)siglen);
- OPENSSL_free(s);
+ if (s != NULL)
+ {
+ OPENSSL_cleanse(s,(unsigned int)siglen);
+ OPENSSL_free(s);
+ }
return(ret);
}
+int RSA_verify(int dtype, const unsigned char *m, unsigned int m_len,
+ const unsigned char *sigbuf, unsigned int siglen,
+ RSA *rsa)
+ {
+
+ if((rsa->flags & RSA_FLAG_SIGN_VER) && rsa->meth->rsa_verify)
+ {
+ return rsa->meth->rsa_verify(dtype, m, m_len,
+ sigbuf, siglen, rsa);
+ }
+
+ return int_rsa_verify(dtype, m, m_len, NULL, NULL, sigbuf, siglen, rsa);
+ }