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set output length to zero to cover output length in error case

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mohammad1603
2018-06-03 15:05:47 +03:00
committed by itayzafrir
parent f4f0d612ba
commit f08a550e68
1 changed files with 1 additions and 0 deletions
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library/psa_crypto.c
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@ -1491,6 +1491,7 @@ psa_status_t psa_aead_encrypt( psa_key_slot_t key,
size_t key_bits; size_t key_bits;
unsigned char tag[16]; unsigned char tag[16];
mbedtls_cipher_id_t cipher_id; mbedtls_cipher_id_t cipher_id;
*ciphertext_length = 0;
if( ciphertext_size < ( plaintext_length + sizeof( tag ) ) ) if( ciphertext_size < ( plaintext_length + sizeof( tag ) ) )
return( PSA_ERROR_INVALID_ARGUMENT ); return( PSA_ERROR_INVALID_ARGUMENT );