1 | /*
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2 | * Copyright 2007-2016 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 <openssl/opensslconf.h>
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11 | #ifdef OPENSSL_NO_SEED
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12 | NON_EMPTY_TRANSLATION_UNIT
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13 | #else
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14 | # include <openssl/evp.h>
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15 | # include <openssl/err.h>
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16 | # include <string.h>
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17 | # include <assert.h>
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18 | # include <openssl/seed.h>
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19 | # include "crypto/evp.h"
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20 |
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21 | static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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22 | const unsigned char *iv, int enc);
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23 |
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24 | typedef struct {
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25 | SEED_KEY_SCHEDULE ks;
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26 | } EVP_SEED_KEY;
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27 |
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28 | IMPLEMENT_BLOCK_CIPHER(seed, ks, SEED, EVP_SEED_KEY, NID_seed,
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29 | 16, 16, 16, 128, EVP_CIPH_FLAG_DEFAULT_ASN1,
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30 | seed_init_key, 0, 0, 0, 0)
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31 |
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32 | static int seed_init_key(EVP_CIPHER_CTX *ctx, const unsigned char *key,
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33 | const unsigned char *iv, int enc)
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34 | {
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35 | SEED_set_key(key, &EVP_C_DATA(EVP_SEED_KEY,ctx)->ks);
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36 | return 1;
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37 | }
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38 |
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39 | #endif
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