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Add _init() and _free() for cipher modules

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This commit is contained in:
Paul Bakker 2014-06-18 11:12:03 +02:00
parent 0464dd9357
commit c7ea99af4f
17 changed files with 375 additions and 61 deletions
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5
library/ctr_drbg.c
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@ -66,6 +66,8 @@ int ctr_drbg_init_entropy_len(
memset( ctx, 0, sizeof(ctr_drbg_context) );
memset( key, 0, CTR_DRBG_KEYSIZE );
aes_init( &ctx->aes_ctx );
ctx->f_entropy = f_entropy;
ctx->p_entropy = p_entropy;
@ -122,6 +124,7 @@ static int block_cipher_df( unsigned char *output,
size_t buf_len, use_len;
memset( buf, 0, CTR_DRBG_MAX_SEED_INPUT + CTR_DRBG_BLOCKSIZE + 16 );
aes_init( &aes_ctx );
/*
* Construct IV (16 bytes) and S in buffer
@ -189,6 +192,8 @@ static int block_cipher_df( unsigned char *output,
p += CTR_DRBG_BLOCKSIZE;
}
aes_free( &aes_ctx );
return( 0 );
}