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63 lines
1.6 KiB
C
63 lines
1.6 KiB
C
/* aes-set-encrypt-key.c
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Key setup for the aes/rijndael block cipher.
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Copyright (C) 2000, 2001, 2002 Rafael R. Sevilla, Niels Möller
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Copyright (C) 2013 Niels Möller
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This file is part of GNU Nettle.
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GNU Nettle is free software: you can redistribute it and/or
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modify it under the terms of either:
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* the GNU Lesser General Public License as published by the Free
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Software Foundation; either version 3 of the License, or (at your
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option) any later version.
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or
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* the GNU General Public License as published by the Free
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Software Foundation; either version 2 of the License, or (at your
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option) any later version.
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or both in parallel, as here.
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GNU Nettle is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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General Public License for more details.
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You should have received copies of the GNU General Public License and
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the GNU Lesser General Public License along with this program. If
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not, see http://www.gnu.org/licenses/.
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*/
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#if HAVE_CONFIG_H
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# include "config.h"
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#endif
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#include <stdlib.h>
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#include "aes.h"
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void
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aes_set_encrypt_key(struct aes_ctx *ctx,
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size_t key_size, const uint8_t *key)
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{
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switch (key_size)
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{
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default: abort();
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case AES128_KEY_SIZE:
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aes128_set_encrypt_key(&ctx->u.ctx128, key);
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break;
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case AES192_KEY_SIZE:
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aes192_set_encrypt_key(&ctx->u.ctx192, key);
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break;
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case AES256_KEY_SIZE:
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aes256_set_encrypt_key(&ctx->u.ctx256, key);
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break;
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}
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ctx->key_size = key_size;
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}
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