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b8454eebe3
This patch adds a cryptographic pseudo-random number generator based on CTR(AES-128). It is meant to be used in cases where a deterministic CPRNG is required. One of the first applications will be as an input in the IPsec IV generation process. Signed-off-by: Neil Horman <nhorman@tuxdriver.com> Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
27 lines
718 B
C
27 lines
718 B
C
/*
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* PRNG: Pseudo Random Number Generator
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*
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* (C) Neil Horman <nhorman@tuxdriver.com>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License as published by the
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* Free Software Foundation; either version 2 of the License, or (at your
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* any later version.
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*
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*
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*/
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#ifndef _PRNG_H_
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#define _PRNG_H_
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struct prng_context;
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int get_prng_bytes(char *buf, int nbytes, struct prng_context *ctx);
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struct prng_context *alloc_prng_context(void);
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int reset_prng_context(struct prng_context *ctx,
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unsigned char *key, unsigned char *iv,
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unsigned char *V,
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unsigned char *DT);
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void free_prng_context(struct prng_context *ctx);
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#endif
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