1 /* 2 * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the OpenSSL license (the "License"). You may not use 5 * this file except in compliance with the License. You can obtain a copy 6 * in the file LICENSE in the source distribution or at 7 * https://www.openssl.org/source/license.html 8 */ 9 10 #include <stdio.h> 11 #include "internal/cryptlib.h" 12 13 #ifndef OPENSSL_NO_CAST 14 # include <openssl/evp.h> 15 # include <openssl/objects.h> 16 # include "crypto/evp.h" 17 # include <openssl/cast.h> 18 19 static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 20 const unsigned char *iv, int enc); 21 22 typedef struct { 23 CAST_KEY ks; 24 } EVP_CAST_KEY; 25 26 # define data(ctx) EVP_C_DATA(EVP_CAST_KEY,ctx) 27 28 IMPLEMENT_BLOCK_CIPHER(cast5, ks, CAST, EVP_CAST_KEY, 29 NID_cast5, 8, CAST_KEY_LENGTH, 8, 64, 30 EVP_CIPH_VARIABLE_LENGTH, cast_init_key, NULL, 31 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) 32 33 static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 34 const unsigned char *iv, int enc) 35 { 36 CAST_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), key); 37 return 1; 38 } 39 40 #endif 41