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-rw-r--r--Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c261
1 files changed, 189 insertions, 72 deletions
diff --git a/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c b/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c
index db4fb0fb..ac583bf6 100644
--- a/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c
+++ b/Cryptlib/OpenSSL/crypto/rsa/rsa_pmeth.c
@@ -1,22 +1,77 @@
+/* crypto/rsa/rsa_pmeth.c */
/*
- * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
+ * 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).
*
- * 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 "internal/cryptlib.h"
+#include "cryptlib.h"
#include <openssl/asn1t.h>
#include <openssl/x509.h>
#include <openssl/rsa.h>
#include <openssl/bn.h>
#include <openssl/evp.h>
#include <openssl/x509v3.h>
-#include <openssl/cms.h>
-#include "internal/evp_int.h"
+#ifndef OPENSSL_NO_CMS
+# include <openssl/cms.h>
+#endif
+#ifdef OPENSSL_FIPS
+# include <openssl/fips.h>
+#endif
+#include "evp_locl.h"
#include "rsa_locl.h"
/* RSA pkey context structure */
@@ -45,12 +100,21 @@ typedef struct {
static int pkey_rsa_init(EVP_PKEY_CTX *ctx)
{
RSA_PKEY_CTX *rctx;
- rctx = OPENSSL_zalloc(sizeof(*rctx));
- if (rctx == NULL)
+ rctx = OPENSSL_malloc(sizeof(RSA_PKEY_CTX));
+ if (!rctx)
return 0;
rctx->nbits = 1024;
+ rctx->pub_exp = NULL;
rctx->pad_mode = RSA_PKCS1_PADDING;
+ rctx->md = NULL;
+ rctx->mgf1md = NULL;
+ rctx->tbuf = NULL;
+
rctx->saltlen = -2;
+
+ rctx->oaep_label = NULL;
+ rctx->oaep_labellen = 0;
+
ctx->data = rctx;
ctx->keygen_info = rctx->gentmp;
ctx->keygen_info_count = 2;
@@ -75,8 +139,9 @@ static int pkey_rsa_copy(EVP_PKEY_CTX *dst, EVP_PKEY_CTX *src)
dctx->md = sctx->md;
dctx->mgf1md = sctx->mgf1md;
if (sctx->oaep_label) {
- OPENSSL_free(dctx->oaep_label);
- dctx->oaep_label = OPENSSL_memdup(sctx->oaep_label, sctx->oaep_labellen);
+ if (dctx->oaep_label)
+ OPENSSL_free(dctx->oaep_label);
+ dctx->oaep_label = BUF_memdup(sctx->oaep_label, sctx->oaep_labellen);
if (!dctx->oaep_label)
return 0;
dctx->oaep_labellen = sctx->oaep_labellen;
@@ -89,7 +154,7 @@ static int setup_tbuf(RSA_PKEY_CTX *ctx, EVP_PKEY_CTX *pk)
if (ctx->tbuf)
return 1;
ctx->tbuf = OPENSSL_malloc(EVP_PKEY_size(pk->pkey));
- if (ctx->tbuf == NULL)
+ if (!ctx->tbuf)
return 0;
return 1;
}
@@ -98,13 +163,50 @@ static void pkey_rsa_cleanup(EVP_PKEY_CTX *ctx)
{
RSA_PKEY_CTX *rctx = ctx->data;
if (rctx) {
- BN_free(rctx->pub_exp);
- OPENSSL_free(rctx->tbuf);
- OPENSSL_free(rctx->oaep_label);
+ if (rctx->pub_exp)
+ BN_free(rctx->pub_exp);
+ if (rctx->tbuf)
+ OPENSSL_free(rctx->tbuf);
+ if (rctx->oaep_label)
+ OPENSSL_free(rctx->oaep_label);
OPENSSL_free(rctx);
}
}
+#ifdef OPENSSL_FIPS
+/*
+ * FIP checker. Return value indicates status of context parameters: 1 :
+ * redirect to FIPS. 0 : don't redirect to FIPS. -1 : illegal operation in
+ * FIPS mode.
+ */
+
+static int pkey_fips_check_ctx(EVP_PKEY_CTX *ctx)
+{
+ RSA_PKEY_CTX *rctx = ctx->data;
+ RSA *rsa = ctx->pkey->pkey.rsa;
+ int rv = -1;
+ if (!FIPS_mode())
+ return 0;
+ if (rsa->flags & RSA_FLAG_NON_FIPS_ALLOW)
+ rv = 0;
+ if (!(rsa->meth->flags & RSA_FLAG_FIPS_METHOD) && rv)
+ return -1;
+ if (rctx->md) {
+ const EVP_MD *fmd;
+ fmd = FIPS_get_digestbynid(EVP_MD_type(rctx->md));
+ if (!fmd || !(fmd->flags & EVP_MD_FLAG_FIPS))
+ return rv;
+ }
+ if (rctx->mgf1md && !(rctx->mgf1md->flags & EVP_MD_FLAG_FIPS)) {
+ const EVP_MD *fmd;
+ fmd = FIPS_get_digestbynid(EVP_MD_type(rctx->mgf1md));
+ if (!fmd || !(fmd->flags & EVP_MD_FLAG_FIPS))
+ return rv;
+ }
+ return 1;
+}
+#endif
+
static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
size_t *siglen, const unsigned char *tbs,
size_t tbslen)
@@ -113,17 +215,39 @@ static int pkey_rsa_sign(EVP_PKEY_CTX *ctx, unsigned char *sig,
RSA_PKEY_CTX *rctx = ctx->data;
RSA *rsa = ctx->pkey->pkey.rsa;
+#ifdef OPENSSL_FIPS
+ ret = pkey_fips_check_ctx(ctx);
+ if (ret < 0) {
+ RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
+ return -1;
+ }
+#endif
+
if (rctx->md) {
if (tbslen != (size_t)EVP_MD_size(rctx->md)) {
RSAerr(RSA_F_PKEY_RSA_SIGN, RSA_R_INVALID_DIGEST_LENGTH);
return -1;
}
+#ifdef OPENSSL_FIPS
+ if (ret > 0) {
+ unsigned int slen;
+ ret = FIPS_rsa_sign_digest(rsa, tbs, tbslen, rctx->md,
+ rctx->pad_mode,
+ rctx->saltlen,
+ rctx->mgf1md, sig, &slen);
+ if (ret > 0)
+ *siglen = slen;
+ else
+ *siglen = 0;
+ return ret;
+ }
+#endif
if (EVP_MD_type(rctx->md) == NID_mdc2) {
unsigned int sltmp;
if (rctx->pad_mode != RSA_PKCS1_PADDING)
return -1;
- ret = RSA_sign_ASN1_OCTET_STRING(0,
+ ret = RSA_sign_ASN1_OCTET_STRING(NID_mdc2,
tbs, tbslen, sig, &sltmp, rsa);
if (ret <= 0)
@@ -225,7 +349,27 @@ static int pkey_rsa_verify(EVP_PKEY_CTX *ctx,
RSA_PKEY_CTX *rctx = ctx->data;
RSA *rsa = ctx->pkey->pkey.rsa;
size_t rslen;
+#ifdef OPENSSL_FIPS
+ int rv;
+ rv = pkey_fips_check_ctx(ctx);
+ if (rv < 0) {
+ RSAerr(RSA_F_PKEY_RSA_VERIFY,
+ RSA_R_OPERATION_NOT_ALLOWED_IN_FIPS_MODE);
+ return -1;
+ }
+#endif
if (rctx->md) {
+#ifdef OPENSSL_FIPS
+ if (rv > 0) {
+ return FIPS_rsa_verify_digest(rsa,
+ tbs, tbslen,
+ rctx->md,
+ rctx->pad_mode,
+ rctx->saltlen,
+ rctx->mgf1md, sig, siglen);
+
+ }
+#endif
if (rctx->pad_mode == RSA_PKCS1_PADDING)
return RSA_verify(EVP_MD_type(rctx->md), tbs, tbslen,
sig, siglen, rsa);
@@ -329,43 +473,20 @@ static int pkey_rsa_decrypt(EVP_PKEY_CTX *ctx,
static int check_padding_md(const EVP_MD *md, int padding)
{
- int mdnid;
if (!md)
return 1;
- mdnid = EVP_MD_type(md);
-
if (padding == RSA_NO_PADDING) {
RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_PADDING_MODE);
return 0;
}
if (padding == RSA_X931_PADDING) {
- if (RSA_X931_hash_id(mdnid) == -1) {
+ if (RSA_X931_hash_id(EVP_MD_type(md)) == -1) {
RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_X931_DIGEST);
return 0;
}
- } else {
- switch(mdnid) {
- /* List of all supported RSA digests */
- case NID_sha1:
- case NID_sha224:
- case NID_sha256:
- case NID_sha384:
- case NID_sha512:
- case NID_md5:
- case NID_md5_sha1:
- case NID_md2:
- case NID_md4:
- case NID_mdc2:
- case NID_ripemd160:
- return 1;
-
- default:
- RSAerr(RSA_F_CHECK_PADDING_MD, RSA_R_INVALID_DIGEST);
- return 0;
-
- }
+ return 1;
}
return 1;
@@ -420,8 +541,8 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
return 1;
case EVP_PKEY_CTRL_RSA_KEYGEN_BITS:
- if (p1 < 512) {
- RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_KEY_SIZE_TOO_SMALL);
+ if (p1 < 256) {
+ RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_KEYBITS);
return -2;
}
rctx->nbits = p1;
@@ -479,7 +600,8 @@ static int pkey_rsa_ctrl(EVP_PKEY_CTX *ctx, int type, int p1, void *p2)
RSAerr(RSA_F_PKEY_RSA_CTRL, RSA_R_INVALID_PADDING_MODE);
return -2;
}
- OPENSSL_free(rctx->oaep_label);
+ if (rctx->oaep_label)
+ OPENSSL_free(rctx->oaep_label);
if (p2 && p1 > 0) {
rctx->oaep_label = p2;
rctx->oaep_labellen = p1;
@@ -526,21 +648,21 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_VALUE_MISSING);
return 0;
}
- if (strcmp(type, "rsa_padding_mode") == 0) {
+ if (!strcmp(type, "rsa_padding_mode")) {
int pm;
- if (strcmp(value, "pkcs1") == 0)
+ if (!strcmp(value, "pkcs1"))
pm = RSA_PKCS1_PADDING;
- else if (strcmp(value, "sslv23") == 0)
+ else if (!strcmp(value, "sslv23"))
pm = RSA_SSLV23_PADDING;
- else if (strcmp(value, "none") == 0)
+ else if (!strcmp(value, "none"))
pm = RSA_NO_PADDING;
- else if (strcmp(value, "oeap") == 0)
+ else if (!strcmp(value, "oeap"))
pm = RSA_PKCS1_OAEP_PADDING;
- else if (strcmp(value, "oaep") == 0)
+ else if (!strcmp(value, "oaep"))
pm = RSA_PKCS1_OAEP_PADDING;
- else if (strcmp(value, "x931") == 0)
+ else if (!strcmp(value, "x931"))
pm = RSA_X931_PADDING;
- else if (strcmp(value, "pss") == 0)
+ else if (!strcmp(value, "pss"))
pm = RSA_PKCS1_PSS_PADDING;
else {
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_UNKNOWN_PADDING_TYPE);
@@ -549,19 +671,19 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
return EVP_PKEY_CTX_set_rsa_padding(ctx, pm);
}
- if (strcmp(type, "rsa_pss_saltlen") == 0) {
+ if (!strcmp(type, "rsa_pss_saltlen")) {
int saltlen;
saltlen = atoi(value);
return EVP_PKEY_CTX_set_rsa_pss_saltlen(ctx, saltlen);
}
- if (strcmp(type, "rsa_keygen_bits") == 0) {
+ if (!strcmp(type, "rsa_keygen_bits")) {
int nbits;
nbits = atoi(value);
return EVP_PKEY_CTX_set_rsa_keygen_bits(ctx, nbits);
}
- if (strcmp(type, "rsa_keygen_pubexp") == 0) {
+ if (!strcmp(type, "rsa_keygen_pubexp")) {
int ret;
BIGNUM *pubexp = NULL;
if (!BN_asc2bn(&pubexp, value))
@@ -572,28 +694,28 @@ static int pkey_rsa_ctrl_str(EVP_PKEY_CTX *ctx,
return ret;
}
- if (strcmp(type, "rsa_mgf1_md") == 0) {
+ if (!strcmp(type, "rsa_mgf1_md")) {
const EVP_MD *md;
- if ((md = EVP_get_digestbyname(value)) == NULL) {
+ if (!(md = EVP_get_digestbyname(value))) {
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_INVALID_DIGEST);
return 0;
}
return EVP_PKEY_CTX_set_rsa_mgf1_md(ctx, md);
}
- if (strcmp(type, "rsa_oaep_md") == 0) {
+ if (!strcmp(type, "rsa_oaep_md")) {
const EVP_MD *md;
- if ((md = EVP_get_digestbyname(value)) == NULL) {
+ if (!(md = EVP_get_digestbyname(value))) {
RSAerr(RSA_F_PKEY_RSA_CTRL_STR, RSA_R_INVALID_DIGEST);
return 0;
}
return EVP_PKEY_CTX_set_rsa_oaep_md(ctx, md);
}
- if (strcmp(type, "rsa_oaep_label") == 0) {
+ if (!strcmp(type, "rsa_oaep_label")) {
unsigned char *lab;
long lablen;
int ret;
- lab = OPENSSL_hexstr2buf(value, &lablen);
+ lab = string_to_hex(value, &lablen);
if (!lab)
return 0;
ret = EVP_PKEY_CTX_set0_rsa_oaep_label(ctx, lab, lablen);
@@ -609,27 +731,22 @@ static int pkey_rsa_keygen(EVP_PKEY_CTX *ctx, EVP_PKEY *pkey)
{
RSA *rsa = NULL;
RSA_PKEY_CTX *rctx = ctx->data;
- BN_GENCB *pcb;
+ BN_GENCB *pcb, cb;
int ret;
- if (rctx->pub_exp == NULL) {
+ if (!rctx->pub_exp) {
rctx->pub_exp = BN_new();
- if (rctx->pub_exp == NULL || !BN_set_word(rctx->pub_exp, RSA_F4))
+ if (!rctx->pub_exp || !BN_set_word(rctx->pub_exp, RSA_F4))
return 0;
}
rsa = RSA_new();
- if (rsa == NULL)
+ if (!rsa)
return 0;
if (ctx->pkey_gencb) {
- pcb = BN_GENCB_new();
- if (pcb == NULL) {
- RSA_free(rsa);
- return 0;
- }
+ pcb = &cb;
evp_pkey_set_cb_translate(pcb, ctx);
} else
pcb = NULL;
ret = RSA_generate_key_ex(rsa, rctx->nbits, rctx->pub_exp, pcb);
- BN_GENCB_free(pcb);
if (ret > 0)
EVP_PKEY_assign_RSA(pkey, rsa);
else
generated by cgit v1.2.3 (git 2.39.1) at 2025-08-30 09:22:13 +0000