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psa: aead: Make CCM/GCM ordering consistent

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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
1 changed files with 28 additions and 28 deletions
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56
library/psa_crypto_aead.c
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@ -189,20 +189,6 @@ psa_status_t mbedtls_psa_aead_encrypt(
} }
tag = ciphertext + plaintext_length; 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 defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM ) if( operation.core_alg == PSA_ALG_CCM )
{ {
@ -217,6 +203,20 @@ psa_status_t mbedtls_psa_aead_encrypt(
} }
else else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */ #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 defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_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 ) if( status != PSA_SUCCESS )
goto exit; 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 defined(MBEDTLS_PSA_BUILTIN_ALG_CCM)
if( operation.core_alg == PSA_ALG_CCM ) if( operation.core_alg == PSA_ALG_CCM )
{ {
@ -324,6 +310,20 @@ psa_status_t mbedtls_psa_aead_decrypt(
} }
else else
#endif /* MBEDTLS_PSA_BUILTIN_ALG_CCM */ #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 defined(MBEDTLS_PSA_BUILTIN_ALG_CHACHA20_POLY1305)
if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 ) if( operation.core_alg == PSA_ALG_CHACHA20_POLY1305 )
{ {