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CTR_DRBG: explicitly set entropy_nonce_len=0 when desired

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No behavior change. Prepare for a future version that will set the
entropy nonce length to a nonzero value by default.
This commit is contained in:
Gilles Peskine 2019-10-22 20:33:56 +02:00
parent c949de06ec
commit 0ed378aa02
2 changed files with 3 additions and 0 deletions
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2
library/ctr_drbg.c
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@ -732,6 +732,7 @@ int mbedtls_ctr_drbg_self_test( int verbose )
test_offset = 0;
mbedtls_ctr_drbg_set_entropy_len( &ctx, 32 );
mbedtls_ctr_drbg_set_nonce_len( &ctx, 0 );
CHK( mbedtls_ctr_drbg_seed( &ctx,
ctr_drbg_self_test_entropy,
(void *) entropy_source_pr,
@ -756,6 +757,7 @@ int mbedtls_ctr_drbg_self_test( int verbose )
test_offset = 0;
mbedtls_ctr_drbg_set_entropy_len( &ctx, 32 );
mbedtls_ctr_drbg_set_nonce_len( &ctx, 0 );
CHK( mbedtls_ctr_drbg_seed( &ctx,
ctr_drbg_self_test_entropy,
(void *) entropy_source_nopr,