Since the SSL code started using RSA_NO_PADDING, the CAPI engine became
unusable. This change fixes that.
Fixes #7131
Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/7174)
unsigned char *tmpbuf;
CAPI_KEY *capi_key;
CAPI_CTX *ctx;
unsigned char *tmpbuf;
CAPI_KEY *capi_key;
CAPI_CTX *ctx;
DWORD dlen;
if (flen <= 0)
DWORD dlen;
if (flen <= 0)
- if (padding != RSA_PKCS1_PADDING) {
- char errstr[10];
- BIO_snprintf(errstr, 10, "%d", padding);
- CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
- ERR_add_error_data(2, "padding=", errstr);
- return -1;
+ switch (padding) {
+ case RSA_PKCS1_PADDING:
+ /* Nothing to do */
+ break;
+#ifdef CRYPT_DECRYPT_RSA_NO_PADDING_CHECK
+ case RSA_NO_PADDING:
+ flags = CRYPT_DECRYPT_RSA_NO_PADDING_CHECK;
+ break;
+#endif
+ default:
+ {
+ char errstr[10];
+ BIO_snprintf(errstr, 10, "%d", padding);
+ CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_UNSUPPORTED_PADDING);
+ ERR_add_error_data(2, "padding=", errstr);
+ return -1;
+ }
}
/* Create temp reverse order version of input */
}
/* Create temp reverse order version of input */
/* Finally decrypt it */
dlen = flen;
/* Finally decrypt it */
dlen = flen;
- if (!CryptDecrypt(capi_key->key, 0, TRUE, 0, tmpbuf, &dlen)) {
+ if (!CryptDecrypt(capi_key->key, 0, TRUE, flags, tmpbuf, &dlen)) {
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
capi_addlasterror();
CAPIerr(CAPI_F_CAPI_RSA_PRIV_DEC, CAPI_R_DECRYPT_ERROR);
capi_addlasterror();
+ OPENSSL_cleanse(tmpbuf, dlen);
OPENSSL_free(tmpbuf);
return -1;
} else {
memcpy(to, tmpbuf, (flen = (int)dlen));
}
OPENSSL_free(tmpbuf);
return -1;
} else {
memcpy(to, tmpbuf, (flen = (int)dlen));
}
+ OPENSSL_cleanse(tmpbuf, flen);
OPENSSL_free(tmpbuf);
return flen;
OPENSSL_free(tmpbuf);
return flen;