psa: aead: Make CCM/GCM ordering consistent

Signed-off-by: Ronald Cron <ronald.cron@arm.com>
This commit is contained in:
Ronald Cron 2021-04-06 09:01:39 +02:00
parent a1971c3b72
commit 810eb16831

View file

@ -189,20 +189,6 @@ psa_status_t mbedtls_psa_aead_encrypt(
}
tag = ciphertext + plaintext_length;
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_crypt_and_tag( &operation.ctx.gcm,
MBEDTLS_GCM_ENCRYPT,
plaintext_length,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, ciphertext,
operation.tag_length, tag ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM )
{
@ -217,6 +203,20 @@ psa_status_t mbedtls_psa_aead_encrypt(
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_crypt_and_tag( &operation.ctx.gcm,
MBEDTLS_GCM_ENCRYPT,
plaintext_length,
nonce, nonce_length,
additional_data, additional_data_length,
plaintext, ciphertext,
operation.tag_length, tag ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{
@ -296,20 +296,6 @@ psa_status_t mbedtls_psa_aead_decrypt(
if( status != PSA_SUCCESS )
goto exit;
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_auth_decrypt( &operation.ctx.gcm,
ciphertext_length - operation.tag_length,
nonce, nonce_length,
additional_data,
additional_data_length,
tag, operation.tag_length,
ciphertext, plaintext ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM )
{
@ -324,6 +310,20 @@ psa_status_t mbedtls_psa_aead_decrypt(
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_GCM)
if( operation.core_alg == PSA_ALG_GCM )
{
status = mbedtls_to_psa_error(
mbedtls_gcm_auth_decrypt( &operation.ctx.gcm,
ciphertext_length - operation.tag_length,
nonce, nonce_length,
additional_data,
additional_data_length,
tag, operation.tag_length,
ciphertext, plaintext ) );
}
else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_GCM */
#if defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{