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Add hmac_drbg_{write,update}_seed_file()

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Manuel Pégourié-Gonnard 2014-01-30 21:11:16 +01:00
parent fef0f8f55a
commit 48bc3e81da
7 changed files with 157 additions and 0 deletions
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26
include/polarssl/hmac_drbg.h
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@ -221,6 +221,32 @@ int hmac_drbg_random( void *p_rng, unsigned char *output, size_t out_len );
*/
void hmac_drbg_free( hmac_drbg_context *ctx );
#if defined(POLARSSL_FS_IO)
/**
* \brief Write a seed file
*
* \param ctx HMAC_DRBG context
* \param path Name of the file
*
* \return 0 if successful, 1 on file error, or
* POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED
*/
int hmac_drbg_write_seed_file( hmac_drbg_context *ctx, const char *path );
/**
* \brief Read and update a seed file. Seed is added to this
* instance
*
* \param ctx HMAC_DRBG context
* \param path Name of the file
*
* \return 0 if successful, 1 on file error,
* POLARSSL_ERR_HMAC_DRBG_ENTROPY_SOURCE_FAILED or
* POLARSSL_ERR_HMAC_DRBG_INPUT_TOO_BIG
*/
int hmac_drbg_update_seed_file( hmac_drbg_context *ctx, const char *path );
#endif
#if defined(POLARSSL_SELF_TEST)
/**