[331] | 1 | /*
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| 2 | * Copyright 1995-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <stdio.h>
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| 11 | #include "internal/cryptlib.h"
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| 12 |
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| 13 | #ifndef OPENSSL_NO_CAST
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| 14 | # include <openssl/evp.h>
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| 15 | # include <openssl/objects.h>
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| 16 | # include "internal/evp_int.h"
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| 17 | # include <openssl/cast.h>
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| 18 |
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| 19 | static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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| 20 | const unsigned char *iv, int enc);
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| 21 |
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| 22 | typedef struct {
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| 23 | CAST_KEY ks;
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| 24 | } EVP_CAST_KEY;
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| 25 |
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| 26 | # define data(ctx) EVP_C_DATA(EVP_CAST_KEY,ctx)
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| 27 |
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| 28 | IMPLEMENT_BLOCK_CIPHER(cast5, ks, CAST, EVP_CAST_KEY,
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| 29 | NID_cast5, 8, CAST_KEY_LENGTH, 8, 64,
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| 30 | EVP_CIPH_VARIABLE_LENGTH, cast_init_key, NULL,
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| 31 | EVP_CIPHER_set_asn1_iv, EVP_CIPHER_get_asn1_iv, NULL)
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| 32 |
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| 33 | static int cast_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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| 34 | const unsigned char *iv, int enc)
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| 35 | {
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| 36 | CAST_set_key(&data(ctx)->ks, EVP_CIPHER_CTX_key_length(ctx), key);
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| 37 | return 1;
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| 38 | }
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| 39 |
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| 40 | #endif
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