-/* crypto/rsa/rsa_ameth.c */
/*
- * Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL project
- * 2006.
- */
-/* ====================================================================
- * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- *
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- *
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in
- * the documentation and/or other materials provided with the
- * distribution.
- *
- * 3. All advertising materials mentioning features or use of this
- * software must display the following acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
- *
- * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
- * endorse or promote products derived from this software without
- * prior written permission. For written permission, please contact
- * licensing@OpenSSL.org.
- *
- * 5. Products derived from this software may not be called "OpenSSL"
- * nor may "OpenSSL" appear in their names without prior written
- * permission of the OpenSSL Project.
- *
- * 6. Redistributions of any form whatsoever must retain the following
- * acknowledgment:
- * "This product includes software developed by the OpenSSL Project
- * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
- *
- * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
- * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
- * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
- * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
- * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
- * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
- * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
- * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
- * OF THE POSSIBILITY OF SUCH DAMAGE.
- * ====================================================================
- *
- * This product includes cryptographic software written by Eric Young
- * (eay@cryptsoft.com). This product includes software written by Tim
- * Hudson (tjh@cryptsoft.com).
+ * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
*
+ * Licensed under the OpenSSL license (the "License"). You may not use
+ * this file except in compliance with the License. You can obtain a copy
+ * in the file LICENSE in the source distribution or at
+ * https://www.openssl.org/source/license.html
*/
#include <stdio.h>
-#include "cryptlib.h"
+#include "internal/cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
-#include <openssl/rsa.h>
#include <openssl/bn.h>
-#ifndef OPENSSL_NO_CMS
-# include <openssl/cms.h>
-#endif
+#include <openssl/cms.h>
#include "internal/asn1_int.h"
+#include "internal/evp_int.h"
+#include "rsa_locl.h"
+#ifndef OPENSSL_NO_CMS
static int rsa_cms_sign(CMS_SignerInfo *si);
static int rsa_cms_verify(CMS_SignerInfo *si);
static int rsa_cms_decrypt(CMS_RecipientInfo *ri);
static int rsa_cms_encrypt(CMS_RecipientInfo *ri);
+#endif
static int rsa_pub_encode(X509_PUBKEY *pk, const EVP_PKEY *pkey)
{
const unsigned char *p;
int pklen;
RSA *rsa = NULL;
+
if (!X509_PUBKEY_get0_param(NULL, &p, &pklen, NULL, pubkey))
return 0;
- if (!(rsa = d2i_RSAPublicKey(NULL, &p, pklen))) {
+ if ((rsa = d2i_RSAPublicKey(NULL, &p, pklen)) == NULL) {
RSAerr(RSA_F_RSA_PUB_DECODE, ERR_R_RSA_LIB);
return 0;
}
const unsigned char **pder, int derlen)
{
RSA *rsa;
- if (!(rsa = d2i_RSAPrivateKey(NULL, pder, derlen))) {
+
+ if ((rsa = d2i_RSAPrivateKey(NULL, pder, derlen)) == NULL) {
RSAerr(RSA_F_OLD_RSA_PRIV_DECODE, ERR_R_RSA_LIB);
return 0;
}
RSA_free(pkey->pkey.rsa);
}
-static void update_buflen(const BIGNUM *b, size_t *pbuflen)
-{
- size_t i;
- if (!b)
- return;
- if (*pbuflen < (i = (size_t)BN_num_bytes(b)))
- *pbuflen = i;
-}
-
static int do_rsa_print(BIO *bp, const RSA *x, int off, int priv)
{
char *str;
const char *s;
- unsigned char *m = NULL;
int ret = 0, mod_len = 0;
- size_t buf_len = 0;
-
- update_buflen(x->n, &buf_len);
- update_buflen(x->e, &buf_len);
-
- if (priv) {
- update_buflen(x->d, &buf_len);
- update_buflen(x->p, &buf_len);
- update_buflen(x->q, &buf_len);
- update_buflen(x->dmp1, &buf_len);
- update_buflen(x->dmq1, &buf_len);
- update_buflen(x->iqmp, &buf_len);
- }
-
- m = OPENSSL_malloc(buf_len + 10);
- if (m == NULL) {
- RSAerr(RSA_F_DO_RSA_PRINT, ERR_R_MALLOC_FAILURE);
- goto err;
- }
if (x->n != NULL)
mod_len = BN_num_bits(x->n);
goto err;
if (priv && x->d) {
- if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len)
- <= 0)
+ if (BIO_printf(bp, "Private-Key: (%d bit)\n", mod_len) <= 0)
goto err;
str = "modulus:";
s = "publicExponent:";
} else {
- if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len)
- <= 0)
+ if (BIO_printf(bp, "Public-Key: (%d bit)\n", mod_len) <= 0)
goto err;
str = "Modulus:";
s = "Exponent:";
}
- if (!ASN1_bn_print(bp, str, x->n, m, off))
+ if (!ASN1_bn_print(bp, str, x->n, NULL, off))
goto err;
- if (!ASN1_bn_print(bp, s, x->e, m, off))
+ if (!ASN1_bn_print(bp, s, x->e, NULL, off))
goto err;
if (priv) {
- if (!ASN1_bn_print(bp, "privateExponent:", x->d, m, off))
+ if (!ASN1_bn_print(bp, "privateExponent:", x->d, NULL, off))
goto err;
- if (!ASN1_bn_print(bp, "prime1:", x->p, m, off))
+ if (!ASN1_bn_print(bp, "prime1:", x->p, NULL, off))
goto err;
- if (!ASN1_bn_print(bp, "prime2:", x->q, m, off))
+ if (!ASN1_bn_print(bp, "prime2:", x->q, NULL, off))
goto err;
- if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, m, off))
+ if (!ASN1_bn_print(bp, "exponent1:", x->dmp1, NULL, off))
goto err;
- if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, m, off))
+ if (!ASN1_bn_print(bp, "exponent2:", x->dmq1, NULL, off))
goto err;
- if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, m, off))
+ if (!ASN1_bn_print(bp, "coefficient:", x->iqmp, NULL, off))
goto err;
}
ret = 1;
err:
- OPENSSL_free(m);
return (ret);
}
X509_ALGOR *maskHash;
pss = rsa_pss_decode(sigalg, &maskHash);
rv = rsa_pss_param_print(bp, pss, maskHash, indent);
- if (pss)
- RSA_PSS_PARAMS_free(pss);
+ RSA_PSS_PARAMS_free(pss);
X509_ALGOR_free(maskHash);
if (!rv)
return 0;
if (EVP_MD_type(md) == NID_sha1)
return 1;
*palg = X509_ALGOR_new();
- if (!*palg)
+ if (*palg == NULL)
return 0;
X509_ALGOR_set_md(*palg, md);
return 1;
if (!ASN1_item_pack(algtmp, ASN1_ITEM_rptr(X509_ALGOR), &stmp))
goto err;
*palg = X509_ALGOR_new();
- if (!*palg)
+ if (*palg == NULL)
goto err;
X509_ALGOR_set0(*palg, OBJ_nid2obj(NID_mgf1), V_ASN1_SEQUENCE, stmp);
stmp = NULL;
saltlen--;
}
pss = RSA_PSS_PARAMS_new();
- if (!pss)
+ if (pss == NULL)
goto err;
if (saltlen != 20) {
pss->saltLength = ASN1_INTEGER_new();
- if (!pss->saltLength)
+ if (pss->saltLength == NULL)
goto err;
if (!ASN1_INTEGER_set(pss->saltLength, saltlen))
goto err;
goto err;
rv = 1;
err:
- if (pss)
- RSA_PSS_PARAMS_free(pss);
+ RSA_PSS_PARAMS_free(pss);
if (rv)
return os;
ASN1_STRING_free(os);
/*
* From PSS AlgorithmIdentifier set public key parameters. If pkey isn't NULL
- * then the EVP_MD_CTX is setup and initalised. If it is NULL parameters are
+ * then the EVP_MD_CTX is setup and initialised. If it is NULL parameters are
* passed to pkctx instead.
*/
return rv;
}
+#ifndef OPENSSL_NO_CMS
static int rsa_cms_verify(CMS_SignerInfo *si)
{
int nid, nid2;
}
return 0;
}
+#endif
/*
* Customised RSA item verification routine. This is called when a signature
return -1;
}
+#ifndef OPENSSL_NO_CMS
static int rsa_cms_sign(CMS_SignerInfo *si)
{
int pad_mode = RSA_PKCS1_PADDING;
X509_ALGOR_set0(alg, OBJ_nid2obj(NID_rsassaPss), V_ASN1_SEQUENCE, os);
return 1;
}
+#endif
static int rsa_item_sign(EVP_MD_CTX *ctx, const ASN1_ITEM *it, void *asn,
X509_ALGOR *alg1, X509_ALGOR *alg2,
ASN1_BIT_STRING *sig)
{
int pad_mode;
- EVP_PKEY_CTX *pkctx = ctx->pctx;
+ EVP_PKEY_CTX *pkctx = EVP_MD_CTX_pkey_ctx(ctx);
if (EVP_PKEY_CTX_get_rsa_padding(pkctx, &pad_mode) <= 0)
return 0;
if (pad_mode == RSA_PKCS1_PADDING)
return 2;
}
+#ifndef OPENSSL_NO_CMS
static RSA_OAEP_PARAMS *rsa_oaep_decode(const X509_ALGOR *alg,
X509_ALGOR **pmaskHash)
{
if (labellen < 0)
goto err;
oaep = RSA_OAEP_PARAMS_new();
- if (!oaep)
+ if (oaep == NULL)
goto err;
if (!rsa_md_to_algor(&oaep->hashFunc, md))
goto err;
if (!rsa_md_to_mgf1(&oaep->maskGenFunc, mgf1md))
goto err;
if (labellen > 0) {
- ASN1_OCTET_STRING *los = ASN1_OCTET_STRING_new();
+ ASN1_OCTET_STRING *los;
oaep->pSourceFunc = X509_ALGOR_new();
- if (!oaep->pSourceFunc)
+ if (oaep->pSourceFunc == NULL)
goto err;
- if (!los)
+ los = ASN1_OCTET_STRING_new();
+ if (los == NULL)
goto err;
if (!ASN1_OCTET_STRING_set(los, label, labellen)) {
ASN1_OCTET_STRING_free(los);
os = NULL;
rv = 1;
err:
- if (oaep)
- RSA_OAEP_PARAMS_free(oaep);
+ RSA_OAEP_PARAMS_free(oaep);
ASN1_STRING_free(os);
return rv;
}
+#endif
const EVP_PKEY_ASN1_METHOD rsa_asn1_meths[] = {
{
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