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Update ctr_drbg.h

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minor changes based on comments
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Rose Zadik 2018-04-16 14:51:52 +01:00 committed by GitHub
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commit f25eb6eef6
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1 changed files with 8 additions and 5 deletions
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13
include/mbedtls/ctr_drbg.h
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@ -3,10 +3,13 @@
*
* \brief This file contains CTR_DRBG definitions and functions.
*
* CTR_DRBG is based on AES-256, as defined in <em>NIST SP 800-90A:
* Recommendation for Random Number Generation Using Deterministic
* Random Bit Generators</em>.
* CTR_DRBG is a standardized way of building a PRNG from a block-cipher
* in counter mode operation, as defined in <em>NIST SP 800-90A:
* Recommendation for Random Number Generation Using Deterministic Random
* Bit Generators</em>.
*
* The Mbed TLS implementation of CTR_DRBG uses AES-256 as the underlying
* block cipher.
*/
/*
* Copyright (C) 2006-2018, Arm Limited (or its affiliates), All Rights Reserved
@ -286,8 +289,8 @@ int mbedtls_ctr_drbg_random( void *p_rng,
* \param path The name of the file.
*
* \return \c 0 on success.
* \return #MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error, or
* #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on
* \return #MBEDTLS_ERR_CTR_DRBG_FILE_IO_ERROR on file error.
* \return #MBEDTLS_ERR_CTR_DRBG_ENTROPY_SOURCE_FAILED on
* failure.
*/
int mbedtls_ctr_drbg_write_seed_file( mbedtls_ctr_drbg_context *ctx, const char *path );