-# $OpenBSD: Makefile,v 1.166 2024/01/13 12:18:52 tb Exp $
+# $OpenBSD: Makefile,v 1.167 2024/01/27 17:14:33 tb Exp $
LIB= crypto
LIBREBUILD=y
SRCS+= m_sm3.c
SRCS+= m_streebog.c
SRCS+= m_wp.c
-SRCS+= p5_crpt.c
-SRCS+= p5_crpt2.c
SRCS+= p_legacy.c
SRCS+= p_lib.c
SRCS+= p_sign.c
SRCS+= p12_add.c
SRCS+= p12_asn.c
SRCS+= p12_attr.c
-SRCS+= p12_crpt.c
SRCS+= p12_crt.c
SRCS+= p12_decr.c
SRCS+= p12_init.c
-/* $OpenBSD: evp_pbe.c,v 1.38 2024/01/27 16:26:25 tb Exp $ */
+/* $OpenBSD: evp_pbe.c,v 1.39 2024/01/27 17:14:33 tb Exp $ */
/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project 1999.
*/
#include <stdio.h>
#include <string.h>
-#include <openssl/opensslconf.h>
-
+#include <openssl/asn1.h>
#include <openssl/err.h>
#include <openssl/evp.h>
+#include <openssl/hmac.h>
+#include <openssl/objects.h>
#include <openssl/pkcs12.h>
#include <openssl/x509.h>
#include "evp_local.h"
+#include "hmac_local.h"
/* Password based encryption (PBE) functions */
.md_nid = NID_sha1,
.keygen = PKCS5_PBE_keyivgen,
},
-#ifndef OPENSSL_NO_HMAC
{
.pbe_nid = NID_id_pbkdf2,
.cipher_nid = -1,
.md_nid = -1,
.keygen = PKCS5_v2_PBKDF2_keyivgen,
},
-#endif
{
.pbe_nid = NID_pbe_WithSHA1And128BitRC4,
.cipher_nid = NID_rc4,
.md_nid = NID_sha1,
.keygen = PKCS12_PBE_keyivgen,
},
-#ifndef OPENSSL_NO_HMAC
{
.pbe_nid = NID_pbes2,
.cipher_nid = -1,
.md_nid = -1,
.keygen = PKCS5_v2_PBE_keyivgen,
},
-#endif
{
.pbe_nid = NID_pbeWithMD2AndRC2_CBC,
.cipher_nid = NID_rc2_64_cbc,
return 1;
}
+int
+PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
+ ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
+{
+ EVP_MD_CTX ctx;
+ unsigned char md_tmp[EVP_MAX_MD_SIZE];
+ unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
+ int i;
+ PBEPARAM *pbe;
+ int saltlen, iter;
+ unsigned char *salt;
+ const unsigned char *pbuf;
+ int mdsize;
+ int rv = 0;
+
+ /* Extract useful info from parameter */
+ if (param == NULL || param->type != V_ASN1_SEQUENCE ||
+ param->value.sequence == NULL) {
+ EVPerror(EVP_R_DECODE_ERROR);
+ return 0;
+ }
+
+ mdsize = EVP_MD_size(md);
+ if (mdsize < 0)
+ return 0;
+
+ pbuf = param->value.sequence->data;
+ if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
+ EVPerror(EVP_R_DECODE_ERROR);
+ return 0;
+ }
+
+ if (!pbe->iter)
+ iter = 1;
+ else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
+ EVPerror(EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
+ PBEPARAM_free(pbe);
+ return 0;
+ }
+ salt = pbe->salt->data;
+ saltlen = pbe->salt->length;
+
+ if (!pass)
+ passlen = 0;
+ else if (passlen == -1)
+ passlen = strlen(pass);
+
+ EVP_MD_CTX_init(&ctx);
+
+ if (!EVP_DigestInit_ex(&ctx, md, NULL))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx, pass, passlen))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx, salt, saltlen))
+ goto err;
+ if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL))
+ goto err;
+ for (i = 1; i < iter; i++) {
+ if (!EVP_DigestInit_ex(&ctx, md, NULL))
+ goto err;
+ if (!EVP_DigestUpdate(&ctx, md_tmp, mdsize))
+ goto err;
+ if (!EVP_DigestFinal_ex (&ctx, md_tmp, NULL))
+ goto err;
+ }
+ if ((size_t)EVP_CIPHER_key_length(cipher) > sizeof(md_tmp)) {
+ EVPerror(EVP_R_BAD_KEY_LENGTH);
+ goto err;
+ }
+ memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher));
+ if ((size_t)EVP_CIPHER_iv_length(cipher) > 16) {
+ EVPerror(EVP_R_IV_TOO_LARGE);
+ goto err;
+ }
+ memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
+ EVP_CIPHER_iv_length(cipher));
+ if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de))
+ goto err;
+ explicit_bzero(md_tmp, EVP_MAX_MD_SIZE);
+ explicit_bzero(key, EVP_MAX_KEY_LENGTH);
+ explicit_bzero(iv, EVP_MAX_IV_LENGTH);
+
+ rv = 1;
+ err:
+ EVP_MD_CTX_cleanup(&ctx);
+ PBEPARAM_free(pbe);
+
+ return rv;
+}
+
+/*
+ * PKCS#5 v2.0 password based encryption key derivation function PBKDF2.
+ */
+
+int
+PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt,
+ int saltlen, int iter, const EVP_MD *digest, int keylen, unsigned char *out)
+{
+ unsigned char digtmp[EVP_MAX_MD_SIZE], *p, itmp[4];
+ int cplen, j, k, tkeylen, mdlen;
+ unsigned long i = 1;
+ HMAC_CTX hctx_tpl, hctx;
+
+ mdlen = EVP_MD_size(digest);
+ if (mdlen < 0)
+ return 0;
+
+ HMAC_CTX_init(&hctx_tpl);
+ p = out;
+ tkeylen = keylen;
+ if (!pass)
+ passlen = 0;
+ else if (passlen == -1)
+ passlen = strlen(pass);
+ if (!HMAC_Init_ex(&hctx_tpl, pass, passlen, digest, NULL)) {
+ HMAC_CTX_cleanup(&hctx_tpl);
+ return 0;
+ }
+ while (tkeylen) {
+ if (tkeylen > mdlen)
+ cplen = mdlen;
+ else
+ cplen = tkeylen;
+ /*
+ * We are unlikely to ever use more than 256 blocks (5120 bits!)
+ * but just in case...
+ */
+ itmp[0] = (unsigned char)((i >> 24) & 0xff);
+ itmp[1] = (unsigned char)((i >> 16) & 0xff);
+ itmp[2] = (unsigned char)((i >> 8) & 0xff);
+ itmp[3] = (unsigned char)(i & 0xff);
+ if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) {
+ HMAC_CTX_cleanup(&hctx_tpl);
+ return 0;
+ }
+ if (!HMAC_Update(&hctx, salt, saltlen) ||
+ !HMAC_Update(&hctx, itmp, 4) ||
+ !HMAC_Final(&hctx, digtmp, NULL)) {
+ HMAC_CTX_cleanup(&hctx_tpl);
+ HMAC_CTX_cleanup(&hctx);
+ return 0;
+ }
+ HMAC_CTX_cleanup(&hctx);
+ memcpy(p, digtmp, cplen);
+ for (j = 1; j < iter; j++) {
+ if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) {
+ HMAC_CTX_cleanup(&hctx_tpl);
+ return 0;
+ }
+ if (!HMAC_Update(&hctx, digtmp, mdlen) ||
+ !HMAC_Final(&hctx, digtmp, NULL)) {
+ HMAC_CTX_cleanup(&hctx_tpl);
+ HMAC_CTX_cleanup(&hctx);
+ return 0;
+ }
+ HMAC_CTX_cleanup(&hctx);
+ for (k = 0; k < cplen; k++)
+ p[k] ^= digtmp[k];
+ }
+ tkeylen -= cplen;
+ i++;
+ p += cplen;
+ }
+ HMAC_CTX_cleanup(&hctx_tpl);
+ return 1;
+}
+
+int
+PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, const unsigned char *salt,
+ int saltlen, int iter, int keylen, unsigned char *out)
+{
+ return PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
+ EVP_sha1(), keylen, out);
+}
+
+/*
+ * Now the key derivation function itself. This is a bit evil because
+ * it has to check the ASN1 parameters are valid: and there are quite a
+ * few of them...
+ */
+
+int
+PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
+ ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md, int en_de)
+{
+ const unsigned char *pbuf;
+ int plen;
+ PBE2PARAM *pbe2 = NULL;
+ const EVP_CIPHER *cipher;
+
+ int rv = 0;
+
+ if (param == NULL || param->type != V_ASN1_SEQUENCE ||
+ param->value.sequence == NULL) {
+ EVPerror(EVP_R_DECODE_ERROR);
+ goto err;
+ }
+
+ pbuf = param->value.sequence->data;
+ plen = param->value.sequence->length;
+ if (!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) {
+ EVPerror(EVP_R_DECODE_ERROR);
+ goto err;
+ }
+
+ /* See if we recognise the key derivation function */
+
+ if (OBJ_obj2nid(pbe2->keyfunc->algorithm) != NID_id_pbkdf2) {
+ EVPerror(EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION);
+ goto err;
+ }
+
+ /* Let's see if we recognise the encryption algorithm. */
+ cipher = EVP_get_cipherbyobj(pbe2->encryption->algorithm);
+ if (!cipher) {
+ EVPerror(EVP_R_UNSUPPORTED_CIPHER);
+ goto err;
+ }
+
+ /* Fixup cipher based on AlgorithmIdentifier */
+ if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, en_de))
+ goto err;
+ if (EVP_CIPHER_asn1_to_param(ctx, pbe2->encryption->parameter) < 0) {
+ EVPerror(EVP_R_CIPHER_PARAMETER_ERROR);
+ goto err;
+ }
+
+ rv = PKCS5_v2_PBKDF2_keyivgen(ctx, pass, passlen,
+ pbe2->keyfunc->parameter, c, md, en_de);
+
+ err:
+ PBE2PARAM_free(pbe2);
+
+ return rv;
+}
+
+int
+PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
+ ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md, int en_de)
+{
+ unsigned char *salt, key[EVP_MAX_KEY_LENGTH];
+ const unsigned char *pbuf;
+ int saltlen, iter, plen;
+ int rv = 0;
+ unsigned int keylen = 0;
+ int prf_nid, hmac_md_nid;
+ PBKDF2PARAM *kdf = NULL;
+ const EVP_MD *prfmd;
+
+ if (EVP_CIPHER_CTX_cipher(ctx) == NULL) {
+ EVPerror(EVP_R_NO_CIPHER_SET);
+ return 0;
+ }
+ keylen = EVP_CIPHER_CTX_key_length(ctx);
+ if (keylen > sizeof key) {
+ EVPerror(EVP_R_BAD_KEY_LENGTH);
+ return 0;
+ }
+
+ /* Decode parameter */
+
+ if (!param || (param->type != V_ASN1_SEQUENCE)) {
+ EVPerror(EVP_R_DECODE_ERROR);
+ return 0;
+ }
+
+ pbuf = param->value.sequence->data;
+ plen = param->value.sequence->length;
+
+ if (!(kdf = d2i_PBKDF2PARAM(NULL, &pbuf, plen)) ) {
+ EVPerror(EVP_R_DECODE_ERROR);
+ return 0;
+ }
+
+ /* Now check the parameters of the kdf */
+
+ if (kdf->keylength &&
+ (ASN1_INTEGER_get(kdf->keylength) != (int)keylen)){
+ EVPerror(EVP_R_UNSUPPORTED_KEYLENGTH);
+ goto err;
+ }
+
+ if (kdf->prf)
+ prf_nid = OBJ_obj2nid(kdf->prf->algorithm);
+ else
+ prf_nid = NID_hmacWithSHA1;
+
+ if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, prf_nid, NULL, &hmac_md_nid, NULL)) {
+ EVPerror(EVP_R_UNSUPPORTED_PRF);
+ goto err;
+ }
+
+ prfmd = EVP_get_digestbynid(hmac_md_nid);
+ if (prfmd == NULL) {
+ EVPerror(EVP_R_UNSUPPORTED_PRF);
+ goto err;
+ }
+
+ if (kdf->salt->type != V_ASN1_OCTET_STRING) {
+ EVPerror(EVP_R_UNSUPPORTED_SALT_TYPE);
+ goto err;
+ }
+
+ /* it seems that its all OK */
+ salt = kdf->salt->value.octet_string->data;
+ saltlen = kdf->salt->value.octet_string->length;
+ if ((iter = ASN1_INTEGER_get(kdf->iter)) <= 0) {
+ EVPerror(EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
+ goto err;
+ }
+ if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter, prfmd,
+ keylen, key))
+ goto err;
+
+ rv = EVP_CipherInit_ex(ctx, NULL, NULL, key, NULL, en_de);
+
+ err:
+ explicit_bzero(key, keylen);
+ PBKDF2PARAM_free(kdf);
+
+ return rv;
+}
+
+void
+PKCS12_PBE_add(void)
+{
+}
+LCRYPTO_ALIAS(PKCS12_PBE_add);
+
+int
+PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
+ ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
+{
+ PBEPARAM *pbe;
+ int saltlen, iter, ret;
+ unsigned char *salt;
+ const unsigned char *pbuf;
+ unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
+
+ /* Extract useful info from parameter */
+ if (param == NULL || param->type != V_ASN1_SEQUENCE ||
+ param->value.sequence == NULL) {
+ PKCS12error(PKCS12_R_DECODE_ERROR);
+ return 0;
+ }
+
+ pbuf = param->value.sequence->data;
+ if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
+ PKCS12error(PKCS12_R_DECODE_ERROR);
+ return 0;
+ }
+
+ if (!pbe->iter)
+ iter = 1;
+ else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
+ PKCS12error(PKCS12_R_DECODE_ERROR);
+ PBEPARAM_free(pbe);
+ return 0;
+ }
+ salt = pbe->salt->data;
+ saltlen = pbe->salt->length;
+ if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
+ iter, EVP_CIPHER_key_length(cipher), key, md)) {
+ PKCS12error(PKCS12_R_KEY_GEN_ERROR);
+ PBEPARAM_free(pbe);
+ return 0;
+ }
+ if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID,
+ iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
+ PKCS12error(PKCS12_R_IV_GEN_ERROR);
+ PBEPARAM_free(pbe);
+ return 0;
+ }
+ PBEPARAM_free(pbe);
+ ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
+ explicit_bzero(key, EVP_MAX_KEY_LENGTH);
+ explicit_bzero(iv, EVP_MAX_IV_LENGTH);
+ return ret;
+}
+LCRYPTO_ALIAS(PKCS12_PBE_keyivgen);
+
/*
* XXX - remove the functions below in the next major bump
*/
+++ /dev/null
-/* $OpenBSD: p5_crpt.c,v 1.25 2024/01/27 16:36:17 tb Exp $ */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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).
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <openssl/err.h>
-#include <openssl/evp.h>
-#include <openssl/x509.h>
-
-#include "evp_local.h"
-
-int
-PKCS5_PBE_keyivgen(EVP_CIPHER_CTX *cctx, const char *pass, int passlen,
- ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
-{
- EVP_MD_CTX ctx;
- unsigned char md_tmp[EVP_MAX_MD_SIZE];
- unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
- int i;
- PBEPARAM *pbe;
- int saltlen, iter;
- unsigned char *salt;
- const unsigned char *pbuf;
- int mdsize;
- int rv = 0;
-
- /* Extract useful info from parameter */
- if (param == NULL || param->type != V_ASN1_SEQUENCE ||
- param->value.sequence == NULL) {
- EVPerror(EVP_R_DECODE_ERROR);
- return 0;
- }
-
- mdsize = EVP_MD_size(md);
- if (mdsize < 0)
- return 0;
-
- pbuf = param->value.sequence->data;
- if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
- EVPerror(EVP_R_DECODE_ERROR);
- return 0;
- }
-
- if (!pbe->iter)
- iter = 1;
- else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
- EVPerror(EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
- PBEPARAM_free(pbe);
- return 0;
- }
- salt = pbe->salt->data;
- saltlen = pbe->salt->length;
-
- if (!pass)
- passlen = 0;
- else if (passlen == -1)
- passlen = strlen(pass);
-
- EVP_MD_CTX_init(&ctx);
-
- if (!EVP_DigestInit_ex(&ctx, md, NULL))
- goto err;
- if (!EVP_DigestUpdate(&ctx, pass, passlen))
- goto err;
- if (!EVP_DigestUpdate(&ctx, salt, saltlen))
- goto err;
- if (!EVP_DigestFinal_ex(&ctx, md_tmp, NULL))
- goto err;
- for (i = 1; i < iter; i++) {
- if (!EVP_DigestInit_ex(&ctx, md, NULL))
- goto err;
- if (!EVP_DigestUpdate(&ctx, md_tmp, mdsize))
- goto err;
- if (!EVP_DigestFinal_ex (&ctx, md_tmp, NULL))
- goto err;
- }
- if ((size_t)EVP_CIPHER_key_length(cipher) > sizeof(md_tmp)) {
- EVPerror(EVP_R_BAD_KEY_LENGTH);
- goto err;
- }
- memcpy(key, md_tmp, EVP_CIPHER_key_length(cipher));
- if ((size_t)EVP_CIPHER_iv_length(cipher) > 16) {
- EVPerror(EVP_R_IV_TOO_LARGE);
- goto err;
- }
- memcpy(iv, md_tmp + (16 - EVP_CIPHER_iv_length(cipher)),
- EVP_CIPHER_iv_length(cipher));
- if (!EVP_CipherInit_ex(cctx, cipher, NULL, key, iv, en_de))
- goto err;
- explicit_bzero(md_tmp, EVP_MAX_MD_SIZE);
- explicit_bzero(key, EVP_MAX_KEY_LENGTH);
- explicit_bzero(iv, EVP_MAX_IV_LENGTH);
-
- rv = 1;
- err:
- EVP_MD_CTX_cleanup(&ctx);
- PBEPARAM_free(pbe);
-
- return rv;
-}
+++ /dev/null
-/* $OpenBSD: p5_crpt2.c,v 1.29 2024/01/27 16:50:39 tb Exp $ */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999-2006 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).
- *
- */
-
-#include <stdio.h>
-#include <stdlib.h>
-#include <string.h>
-
-#include <openssl/opensslconf.h>
-
-#if !defined(OPENSSL_NO_HMAC) && !defined(OPENSSL_NO_SHA)
-
-#include <openssl/err.h>
-#include <openssl/evp.h>
-#include <openssl/hmac.h>
-#include <openssl/x509.h>
-
-#include "evp_local.h"
-#include "hmac_local.h"
-
-/*
- * PKCS#5 v2.0 password based encryption key derivation function PBKDF2.
- */
-
-int
-PKCS5_PBKDF2_HMAC(const char *pass, int passlen, const unsigned char *salt,
- int saltlen, int iter, const EVP_MD *digest, int keylen, unsigned char *out)
-{
- unsigned char digtmp[EVP_MAX_MD_SIZE], *p, itmp[4];
- int cplen, j, k, tkeylen, mdlen;
- unsigned long i = 1;
- HMAC_CTX hctx_tpl, hctx;
-
- mdlen = EVP_MD_size(digest);
- if (mdlen < 0)
- return 0;
-
- HMAC_CTX_init(&hctx_tpl);
- p = out;
- tkeylen = keylen;
- if (!pass)
- passlen = 0;
- else if (passlen == -1)
- passlen = strlen(pass);
- if (!HMAC_Init_ex(&hctx_tpl, pass, passlen, digest, NULL)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- return 0;
- }
- while (tkeylen) {
- if (tkeylen > mdlen)
- cplen = mdlen;
- else
- cplen = tkeylen;
- /*
- * We are unlikely to ever use more than 256 blocks (5120 bits!)
- * but just in case...
- */
- itmp[0] = (unsigned char)((i >> 24) & 0xff);
- itmp[1] = (unsigned char)((i >> 16) & 0xff);
- itmp[2] = (unsigned char)((i >> 8) & 0xff);
- itmp[3] = (unsigned char)(i & 0xff);
- if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- return 0;
- }
- if (!HMAC_Update(&hctx, salt, saltlen) ||
- !HMAC_Update(&hctx, itmp, 4) ||
- !HMAC_Final(&hctx, digtmp, NULL)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- HMAC_CTX_cleanup(&hctx);
- return 0;
- }
- HMAC_CTX_cleanup(&hctx);
- memcpy(p, digtmp, cplen);
- for (j = 1; j < iter; j++) {
- if (!HMAC_CTX_copy(&hctx, &hctx_tpl)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- return 0;
- }
- if (!HMAC_Update(&hctx, digtmp, mdlen) ||
- !HMAC_Final(&hctx, digtmp, NULL)) {
- HMAC_CTX_cleanup(&hctx_tpl);
- HMAC_CTX_cleanup(&hctx);
- return 0;
- }
- HMAC_CTX_cleanup(&hctx);
- for (k = 0; k < cplen; k++)
- p[k] ^= digtmp[k];
- }
- tkeylen -= cplen;
- i++;
- p += cplen;
- }
- HMAC_CTX_cleanup(&hctx_tpl);
- return 1;
-}
-
-int
-PKCS5_PBKDF2_HMAC_SHA1(const char *pass, int passlen, const unsigned char *salt,
- int saltlen, int iter, int keylen, unsigned char *out)
-{
- return PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter,
- EVP_sha1(), keylen, out);
-}
-
-/*
- * Now the key derivation function itself. This is a bit evil because
- * it has to check the ASN1 parameters are valid: and there are quite a
- * few of them...
- */
-
-int
-PKCS5_v2_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
- ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md, int en_de)
-{
- const unsigned char *pbuf;
- int plen;
- PBE2PARAM *pbe2 = NULL;
- const EVP_CIPHER *cipher;
-
- int rv = 0;
-
- if (param == NULL || param->type != V_ASN1_SEQUENCE ||
- param->value.sequence == NULL) {
- EVPerror(EVP_R_DECODE_ERROR);
- goto err;
- }
-
- pbuf = param->value.sequence->data;
- plen = param->value.sequence->length;
- if (!(pbe2 = d2i_PBE2PARAM(NULL, &pbuf, plen))) {
- EVPerror(EVP_R_DECODE_ERROR);
- goto err;
- }
-
- /* See if we recognise the key derivation function */
-
- if (OBJ_obj2nid(pbe2->keyfunc->algorithm) != NID_id_pbkdf2) {
- EVPerror(EVP_R_UNSUPPORTED_KEY_DERIVATION_FUNCTION);
- goto err;
- }
-
- /* Let's see if we recognise the encryption algorithm. */
- cipher = EVP_get_cipherbyobj(pbe2->encryption->algorithm);
- if (!cipher) {
- EVPerror(EVP_R_UNSUPPORTED_CIPHER);
- goto err;
- }
-
- /* Fixup cipher based on AlgorithmIdentifier */
- if (!EVP_CipherInit_ex(ctx, cipher, NULL, NULL, NULL, en_de))
- goto err;
- if (EVP_CIPHER_asn1_to_param(ctx, pbe2->encryption->parameter) < 0) {
- EVPerror(EVP_R_CIPHER_PARAMETER_ERROR);
- goto err;
- }
-
- rv = PKCS5_v2_PBKDF2_keyivgen(ctx, pass, passlen,
- pbe2->keyfunc->parameter, c, md, en_de);
-
- err:
- PBE2PARAM_free(pbe2);
-
- return rv;
-}
-
-int
-PKCS5_v2_PBKDF2_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
- ASN1_TYPE *param, const EVP_CIPHER *c, const EVP_MD *md, int en_de)
-{
- unsigned char *salt, key[EVP_MAX_KEY_LENGTH];
- const unsigned char *pbuf;
- int saltlen, iter, plen;
- int rv = 0;
- unsigned int keylen = 0;
- int prf_nid, hmac_md_nid;
- PBKDF2PARAM *kdf = NULL;
- const EVP_MD *prfmd;
-
- if (EVP_CIPHER_CTX_cipher(ctx) == NULL) {
- EVPerror(EVP_R_NO_CIPHER_SET);
- return 0;
- }
- keylen = EVP_CIPHER_CTX_key_length(ctx);
- if (keylen > sizeof key) {
- EVPerror(EVP_R_BAD_KEY_LENGTH);
- return 0;
- }
-
- /* Decode parameter */
-
- if (!param || (param->type != V_ASN1_SEQUENCE)) {
- EVPerror(EVP_R_DECODE_ERROR);
- return 0;
- }
-
- pbuf = param->value.sequence->data;
- plen = param->value.sequence->length;
-
- if (!(kdf = d2i_PBKDF2PARAM(NULL, &pbuf, plen)) ) {
- EVPerror(EVP_R_DECODE_ERROR);
- return 0;
- }
-
- /* Now check the parameters of the kdf */
-
- if (kdf->keylength &&
- (ASN1_INTEGER_get(kdf->keylength) != (int)keylen)){
- EVPerror(EVP_R_UNSUPPORTED_KEYLENGTH);
- goto err;
- }
-
- if (kdf->prf)
- prf_nid = OBJ_obj2nid(kdf->prf->algorithm);
- else
- prf_nid = NID_hmacWithSHA1;
-
- if (!EVP_PBE_find(EVP_PBE_TYPE_PRF, prf_nid, NULL, &hmac_md_nid, NULL)) {
- EVPerror(EVP_R_UNSUPPORTED_PRF);
- goto err;
- }
-
- prfmd = EVP_get_digestbynid(hmac_md_nid);
- if (prfmd == NULL) {
- EVPerror(EVP_R_UNSUPPORTED_PRF);
- goto err;
- }
-
- if (kdf->salt->type != V_ASN1_OCTET_STRING) {
- EVPerror(EVP_R_UNSUPPORTED_SALT_TYPE);
- goto err;
- }
-
- /* it seems that its all OK */
- salt = kdf->salt->value.octet_string->data;
- saltlen = kdf->salt->value.octet_string->length;
- if ((iter = ASN1_INTEGER_get(kdf->iter)) <= 0) {
- EVPerror(EVP_R_UNSUPORTED_NUMBER_OF_ROUNDS);
- goto err;
- }
- if (!PKCS5_PBKDF2_HMAC(pass, passlen, salt, saltlen, iter, prfmd,
- keylen, key))
- goto err;
-
- rv = EVP_CipherInit_ex(ctx, NULL, NULL, key, NULL, en_de);
-
- err:
- explicit_bzero(key, keylen);
- PBKDF2PARAM_free(kdf);
-
- return rv;
-}
-
-#endif
+++ /dev/null
-/* $OpenBSD: p12_crpt.c,v 1.17 2023/02/16 08:38:17 tb Exp $ */
-/* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
- * project 1999.
- */
-/* ====================================================================
- * Copyright (c) 1999 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).
- *
- */
-
-#include <stdio.h>
-#include <string.h>
-
-#include <openssl/err.h>
-#include <openssl/pkcs12.h>
-
-/* PKCS#12 PBE algorithms now in static table */
-
-void
-PKCS12_PBE_add(void)
-{
-}
-LCRYPTO_ALIAS(PKCS12_PBE_add);
-
-int
-PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen,
- ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de)
-{
- PBEPARAM *pbe;
- int saltlen, iter, ret;
- unsigned char *salt;
- const unsigned char *pbuf;
- unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
-
- /* Extract useful info from parameter */
- if (param == NULL || param->type != V_ASN1_SEQUENCE ||
- param->value.sequence == NULL) {
- PKCS12error(PKCS12_R_DECODE_ERROR);
- return 0;
- }
-
- pbuf = param->value.sequence->data;
- if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
- PKCS12error(PKCS12_R_DECODE_ERROR);
- return 0;
- }
-
- if (!pbe->iter)
- iter = 1;
- else if ((iter = ASN1_INTEGER_get(pbe->iter)) <= 0) {
- PKCS12error(PKCS12_R_DECODE_ERROR);
- PBEPARAM_free(pbe);
- return 0;
- }
- salt = pbe->salt->data;
- saltlen = pbe->salt->length;
- if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID,
- iter, EVP_CIPHER_key_length(cipher), key, md)) {
- PKCS12error(PKCS12_R_KEY_GEN_ERROR);
- PBEPARAM_free(pbe);
- return 0;
- }
- if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID,
- iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
- PKCS12error(PKCS12_R_IV_GEN_ERROR);
- PBEPARAM_free(pbe);
- return 0;
- }
- PBEPARAM_free(pbe);
- ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
- explicit_bzero(key, EVP_MAX_KEY_LENGTH);
- explicit_bzero(iv, EVP_MAX_IV_LENGTH);
- return ret;
-}
-LCRYPTO_ALIAS(PKCS12_PBE_keyivgen);
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