Use PSA macros for buffer sizes

Signed-off-by: Manuel Pégourié-Gonnard <manuel.pegourie-gonnard@arm.com>
This commit is contained in:
Manuel Pégourié-Gonnard 2022-01-27 11:56:24 +01:00
parent beef9c231c
commit 3aae30c224

View File

@ -67,11 +67,15 @@ const unsigned char iv1[12] = { 0x00 };
const unsigned char add_data1[] = { 0x01, 0x02 };
const unsigned char msg1_part1[] = { 0x03, 0x04 };
const unsigned char msg1_part2[] = { 0x05, 0x06, 0x07 };
const size_t msg1_size = sizeof( msg1_part1 ) + sizeof( msg1_part2 );
const unsigned char iv2[12] = { 0x10 };
const unsigned char add_data2[] = { 0x11, 0x12 };
const unsigned char msg2_part1[] = { 0x13, 0x14 };
const unsigned char msg2_part2[] = { 0x15, 0x16, 0x17 };
const size_t msg2_size = sizeof( msg2_part1 ) + sizeof( msg2_part2 );
const size_t msg_max_size = msg1_size > msg2_size ? msg1_size : msg2_size;
const unsigned char key_bytes[32] = { 0x2a };
@ -152,7 +156,7 @@ static int cipher_encrypt( mbedtls_cipher_context_t *ctx, size_t tag_len,
{
int ret;
size_t olen;
unsigned char out[32];
unsigned char out[msg_max_size + 16];
unsigned char *p = out;
CHK( mbedtls_cipher_set_iv( ctx, iv, iv_len ) );
@ -286,9 +290,9 @@ static int aead_encrypt( psa_key_id_t key, psa_algorithm_t alg,
{
psa_status_t status;
size_t olen, olen_tag;
unsigned char out[32];
unsigned char out[PSA_AEAD_ENCRYPT_OUTPUT_MAX_SIZE(msg_max_size)];
unsigned char *p = out, *end = out + sizeof( out );
unsigned char tag[16];
unsigned char tag[PSA_AEAD_TAG_MAX_SIZE];
psa_aead_operation_t op = PSA_AEAD_OPERATION_INIT;
CHK( psa_aead_encrypt_setup( &op, key, alg ) );