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70 lines
1.8 KiB
C
70 lines
1.8 KiB
C
/* drbg-ctr.h
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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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#ifndef NETTLE_DRBG_CTR_H_INCLUDED
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#define NETTLE_DRBG_CTR_H_INCLUDED
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#include "nettle-types.h"
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#include "aes.h"
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#ifdef __cplusplus
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extern "C"
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{
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#endif
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/* Namespace mangling */
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#define drbg_ctr_aes256_init nettle_drbg_ctr_aes256_init
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#define drbg_ctr_aes256_random nettle_drbg_ctr_aes256_random
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#define DRBG_CTR_AES256_SEED_SIZE (AES_BLOCK_SIZE + AES256_KEY_SIZE)
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struct drbg_ctr_aes256_ctx
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{
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struct aes256_ctx key;
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union nettle_block16 V;
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};
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/* Initialize using DRBG_CTR_AES256_SEED_SIZE bytes of
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SEED_MATERIAL. */
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void
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drbg_ctr_aes256_init (struct drbg_ctr_aes256_ctx *ctx,
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uint8_t *seed_material);
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/* Output N bytes of random data into DST. */
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void
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drbg_ctr_aes256_random (struct drbg_ctr_aes256_ctx *ctx,
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size_t n, uint8_t *dst);
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#ifdef __cplusplus
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}
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#endif
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#endif /* NETTLE_DRBG_CTR_H_INCLUDED */
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