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Fix exercise key test

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Hash and sign algorithms require the alignment of the input length with
the hash length at verification as well not just when signing.

Signed-off-by: Janos Follath <janos.follath@arm.com>
This commit is contained in:
Janos Follath 2021-06-14 12:34:30 +01:00
parent ae50d28e4c
commit 4c0b60e5fa
1 changed files with 6 additions and 5 deletions
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11
tests/src/psa_exercise_key.c
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@ -316,13 +316,14 @@ static int exercise_signature_key( mbedtls_svc_key_id_t key,
#endif #endif
} }
/* Some algorithms require the payload to have the size of
* the hash encoded in the algorithm. Use this input size
* even for algorithms that allow other input sizes. */
if( hash_alg != 0 )
payload_length = PSA_HASH_LENGTH( hash_alg );
if( usage & PSA_KEY_USAGE_SIGN_HASH ) if( usage & PSA_KEY_USAGE_SIGN_HASH )
{ {
/* Some algorithms require the payload to have the size of
* the hash encoded in the algorithm. Use this input size
* even for algorithms that allow other input sizes. */
if( hash_alg != 0 )
payload_length = PSA_HASH_LENGTH( hash_alg );
PSA_ASSERT( psa_sign_hash( key, alg, PSA_ASSERT( psa_sign_hash( key, alg,
payload, payload_length, payload, payload_length,
signature, sizeof( signature ), signature, sizeof( signature ),