1 /* 2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved. 3 * 4 * Licensed under the Apache License 2.0 (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 /* 11 * BF low level APIs are deprecated for public use, but still ok for internal 12 * use. 13 */ 14 #include "internal/deprecated.h" 15 16 #include <stdio.h> 17 #include "internal/cryptlib.h" 18 #ifndef OPENSSL_NO_BF 19 # include <openssl/evp.h> 20 # include "crypto/evp.h" 21 # include <openssl/objects.h> 22 # include <openssl/blowfish.h> 23 # include "evp_local.h" 24 25 static int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 26 const unsigned char *iv, int enc); 27 28 typedef struct { 29 BF_KEY ks; 30 } EVP_BF_KEY; 31 32 # define data(ctx) EVP_C_DATA(EVP_BF_KEY,ctx) 33 34 IMPLEMENT_BLOCK_CIPHER(bf, ks, BF, EVP_BF_KEY, NID_bf, 8, 16, 8, 64, 35 EVP_CIPH_VARIABLE_LENGTH, bf_init_key, NULL, 36 EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL) 37 38 static int bf_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key, 39 const unsigned char *iv, int enc) 40 { 41 int len = EVP_CIPHER_CTX_get_key_length(ctx); 42 43 if (len < 0) 44 return 0; 45 BF_set_key(&data(ctx)->ks, len, key); 46 return 1; 47 } 48 49 #endif 50