636 lines
11 KiB
C
636 lines
11 KiB
C
/*
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* Copyright (c) 2008 Kungliga Tekniska Högskolan
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* (Royal Institute of Technology, Stockholm, Sweden).
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the Institute nor the names of its contributors
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* may be used to endorse or promote products derived from this software
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* without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
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* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
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* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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* SUCH DAMAGE.
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*/
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/* CommonCrypto provider */
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#ifdef __APPLE__
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#include "config.h"
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#include <sys/types.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <assert.h>
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#include <CommonCrypto/CommonDigest.h>
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#include <CommonCrypto/CommonCryptor.h>
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#include <evp.h>
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#include <evp-cc.h>
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/*
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*
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*/
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struct cc_key {
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CCCryptorRef href;
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};
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static int
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cc_do_cipher(EVP_CIPHER_CTX *ctx,
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unsigned char *out,
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const unsigned char *in,
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unsigned int size)
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{
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struct cc_key *cc = ctx->cipher_data;
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CCCryptorStatus ret;
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size_t moved;
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memcpy(out, in, size);
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ret = CCCryptorUpdate(cc->href, in, size, out, size, &moved);
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if (ret)
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return 0;
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if (moved != size)
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return 0;
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return 1;
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}
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static int
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cc_cleanup(EVP_CIPHER_CTX *ctx)
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{
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struct cc_key *cc = ctx->cipher_data;
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if (cc->href)
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CCCryptorRelease(cc->href);
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return 1;
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}
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static int
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init_cc_key(int encp, CCAlgorithm alg, const void *key,
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size_t keylen, const void *iv, CCCryptorRef *ref)
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{
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CCOperation op = encp ? kCCEncrypt : kCCDecrypt;
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CCCryptorStatus ret;
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if (*ref) {
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if (key == NULL && iv) {
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CCCryptorReset(*ref, iv);
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return 1;
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}
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CCCryptorRelease(*ref);
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}
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ret = CCCryptorCreate(op, alg, 0, key, keylen, iv, ref);
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if (ret)
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return 0;
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return 1;
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}
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static int
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cc_des_ede3_cbc_init(EVP_CIPHER_CTX *ctx,
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const unsigned char * key,
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const unsigned char * iv,
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int encp)
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{
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struct cc_key *cc = ctx->cipher_data;
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return init_cc_key(encp, kCCAlgorithm3DES, key, kCCKeySize3DES, iv, &cc->href);
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}
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/**
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* The tripple DES cipher type (Apple CommonCrypto provider)
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*
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* @return the DES-EDE3-CBC EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_des_ede3_cbc(void)
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{
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static const EVP_CIPHER des_ede3_cbc = {
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0,
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8,
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24,
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8,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_des_ede3_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &des_ede3_cbc;
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}
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/*
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*
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*/
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static int
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cc_des_cbc_init(EVP_CIPHER_CTX *ctx,
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const unsigned char * key,
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const unsigned char * iv,
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int encp)
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{
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struct cc_key *cc = ctx->cipher_data;
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return init_cc_key(encp, kCCAlgorithmDES, key, kCCBlockSizeDES, iv, &cc->href);
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}
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/**
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* The DES cipher type (Apple CommonCrypto provider)
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*
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* @return the DES-CBC EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_des_cbc(void)
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{
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static const EVP_CIPHER des_ede3_cbc = {
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0,
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kCCBlockSizeDES,
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kCCBlockSizeDES,
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kCCBlockSizeDES,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_des_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &des_ede3_cbc;
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}
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/*
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*
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*/
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static int
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cc_aes_cbc_init(EVP_CIPHER_CTX *ctx,
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const unsigned char * key,
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const unsigned char * iv,
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int encp)
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{
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struct cc_key *cc = ctx->cipher_data;
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return init_cc_key(encp, kCCAlgorithmAES128, key, ctx->cipher->key_len, iv, &cc->href);
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}
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/**
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* The AES-128 cipher type (Apple CommonCrypto provider)
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*
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* @return the AES-128-CBC EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_aes_128_cbc(void)
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{
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static const EVP_CIPHER c = {
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0,
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kCCBlockSizeAES128,
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kCCKeySizeAES128,
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kCCBlockSizeAES128,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_aes_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &c;
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}
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/**
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* The AES-192 cipher type (Apple CommonCrypto provider)
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*
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* @return the AES-192-CBC EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_aes_192_cbc(void)
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{
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static const EVP_CIPHER c = {
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0,
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kCCBlockSizeAES128,
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kCCKeySizeAES192,
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kCCBlockSizeAES128,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_aes_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &c;
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}
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/**
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* The AES-256 cipher type (Apple CommonCrypto provider)
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*
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* @return the AES-256-CBC EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_aes_256_cbc(void)
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{
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static const EVP_CIPHER c = {
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0,
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kCCBlockSizeAES128,
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kCCKeySizeAES256,
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kCCBlockSizeAES128,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_aes_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &c;
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}
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/*
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*
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*/
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#ifdef COMMONCRYPTO_SUPPORTS_RC2
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static int
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cc_rc2_cbc_init(EVP_CIPHER_CTX *ctx,
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const unsigned char * key,
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const unsigned char * iv,
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int encp)
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{
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struct cc_key *cc = ctx->cipher_data;
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return init_cc_key(encp, kCCAlgorithmRC2, key, ctx->cipher->key_len, iv, &cc->href);
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}
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#endif
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/**
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* The RC2 cipher type - common crypto
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*
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* @return the RC2 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_rc2_cbc(void)
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{
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#ifdef COMMONCRYPTO_SUPPORTS_RC2
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static const EVP_CIPHER rc2_cbc = {
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0,
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kCCBlockSizeRC2,
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16,
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kCCBlockSizeRC2,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_rc2_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &rc2_cbc;
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#else
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return NULL;
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#endif
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}
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/**
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* The RC2-40 cipher type - common crypto
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*
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* @return the RC2-40 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_rc2_40_cbc(void)
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{
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#ifdef COMMONCRYPTO_SUPPORTS_RC2
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static const EVP_CIPHER rc2_40_cbc = {
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0,
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kCCBlockSizeRC2,
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5,
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kCCBlockSizeRC2,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_rc2_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &rc2_40_cbc;
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#else
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return NULL;
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#endif
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}
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/**
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* The RC2-64 cipher type - common crypto
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*
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* @return the RC2-64 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_rc2_64_cbc(void)
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{
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#ifdef COMMONCRYPTO_SUPPORTS_RC2
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static const EVP_CIPHER rc2_64_cbc = {
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0,
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kCCBlockSizeRC2,
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8,
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kCCBlockSizeRC2,
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EVP_CIPH_CBC_MODE|EVP_CIPH_ALWAYS_CALL_INIT,
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cc_rc2_cbc_init,
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cc_do_cipher,
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cc_cleanup,
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sizeof(struct cc_key),
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NULL,
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NULL,
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NULL,
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NULL
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};
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return &rc2_64_cbc;
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#else
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return NULL;
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#endif
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}
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/**
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* The CommonCrypto md2 provider
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_MD *
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EVP_cc_md2(void)
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{
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static const struct hc_evp_md md2 = {
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CC_MD2_DIGEST_LENGTH,
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CC_MD2_BLOCK_BYTES,
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sizeof(CC_MD2_CTX),
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(hc_evp_md_init)CC_MD2_Init,
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(hc_evp_md_update)CC_MD2_Update,
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(hc_evp_md_final)CC_MD2_Final,
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(hc_evp_md_cleanup)NULL
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};
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return &md2;
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}
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/**
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* The CommonCrypto md4 provider
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_MD *
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EVP_cc_md4(void)
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{
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static const struct hc_evp_md md4 = {
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CC_MD4_DIGEST_LENGTH,
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CC_MD4_BLOCK_BYTES,
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sizeof(CC_MD4_CTX),
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(hc_evp_md_init)CC_MD4_Init,
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(hc_evp_md_update)CC_MD4_Update,
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(hc_evp_md_final)CC_MD4_Final,
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(hc_evp_md_cleanup)NULL
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};
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return &md4;
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}
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/**
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* The CommonCrypto md5 provider
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_MD *
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EVP_cc_md5(void)
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{
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static const struct hc_evp_md md5 = {
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CC_MD5_DIGEST_LENGTH,
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CC_MD5_BLOCK_BYTES,
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sizeof(CC_MD5_CTX),
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(hc_evp_md_init)CC_MD5_Init,
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(hc_evp_md_update)CC_MD5_Update,
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(hc_evp_md_final)CC_MD5_Final,
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(hc_evp_md_cleanup)NULL
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};
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return &md5;
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}
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/**
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* The CommonCrypto sha1 provider
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_MD *
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EVP_cc_sha1(void)
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{
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static const struct hc_evp_md sha1 = {
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CC_SHA1_DIGEST_LENGTH,
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CC_SHA1_BLOCK_BYTES,
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sizeof(CC_SHA1_CTX),
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(hc_evp_md_init)CC_SHA1_Init,
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(hc_evp_md_update)CC_SHA1_Update,
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(hc_evp_md_final)CC_SHA1_Final,
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(hc_evp_md_cleanup)NULL
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};
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return &sha1;
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}
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/**
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* The CommonCrypto sha256 provider
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_MD *
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EVP_cc_sha256(void)
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{
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static const struct hc_evp_md sha256 = {
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CC_SHA256_DIGEST_LENGTH,
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CC_SHA256_BLOCK_BYTES,
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sizeof(CC_SHA256_CTX),
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(hc_evp_md_init)CC_SHA256_Init,
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(hc_evp_md_update)CC_SHA256_Update,
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(hc_evp_md_final)CC_SHA256_Final,
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(hc_evp_md_cleanup)NULL
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};
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return &sha256;
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}
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/**
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* The Camellia-128 cipher type - CommonCrypto
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*
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* @return the Camellia-128 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_camellia_128_cbc(void)
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{
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return NULL;
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}
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/**
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* The Camellia-198 cipher type - CommonCrypto
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*
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* @return the Camellia-198 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_camellia_192_cbc(void)
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{
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return NULL;
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}
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/**
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* The Camellia-256 cipher type - CommonCrypto
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*
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* @return the Camellia-256 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_camellia_256_cbc(void)
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{
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return NULL;
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}
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/*
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*
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*/
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static int
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cc_rc4_init(EVP_CIPHER_CTX *ctx,
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const unsigned char * key,
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const unsigned char * iv,
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int encp)
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{
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struct cc_key *cc = ctx->cipher_data;
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return init_cc_key(encp, kCCAlgorithmRC4, key, ctx->key_len, iv, &cc->href);
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}
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/**
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* The RC4 cipher type (Apple CommonCrypto provider)
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*
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* @return the RC4 EVP_CIPHER pointer.
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*
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* @ingroup hcrypto_evp
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*/
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const EVP_CIPHER *
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EVP_cc_rc4(void)
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{
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static const EVP_CIPHER rc4 = {
|
|
0,
|
|
1,
|
|
16,
|
|
0,
|
|
EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH,
|
|
cc_rc4_init,
|
|
cc_do_cipher,
|
|
cc_cleanup,
|
|
sizeof(struct cc_key),
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
return &rc4;
|
|
}
|
|
|
|
|
|
/**
|
|
* The RC4-40 cipher type (Apple CommonCrypto provider)
|
|
*
|
|
* @return the RC4 EVP_CIPHER pointer.
|
|
*
|
|
* @ingroup hcrypto_evp
|
|
*/
|
|
|
|
const EVP_CIPHER *
|
|
EVP_cc_rc4_40(void)
|
|
{
|
|
static const EVP_CIPHER rc4_40 = {
|
|
0,
|
|
1,
|
|
5,
|
|
0,
|
|
EVP_CIPH_STREAM_CIPHER|EVP_CIPH_VARIABLE_LENGTH,
|
|
cc_rc4_init,
|
|
cc_do_cipher,
|
|
cc_cleanup,
|
|
sizeof(struct cc_key),
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL
|
|
};
|
|
return &rc4_40;
|
|
}
|
|
|
|
#endif /* __APPLE__ */
|
|
|