commit 7740b38b6d7392af3a007f40fa6996144c7c74e6
author Antonio de Angelis <antonio.deangelis@arm.com> Tue Jul 16 10:59:25 2019 +0100
committer Antonio de Angelis <antonio.deangelis@arm.com> Wed Aug 07 09:08:33 2019 +0100
tree 78393f0d6569e2ef9aa3b5bb32d7fc8c2ff37544
parent 0907261b2b41714509d20acca2954fe2f5dde6e6

Crypto: Add option to disable separate modules

This patch introduces the configuration option in
the Crypto service to allow disabling at build time
of different submodules, such as Cipher, Hash, Mac,
Generator, Aead and Asymmetric.

Change-Id: I3ccfde15cfe2cb6fd540815ad4a47fb24a98ada9
Signed-off-by: Antonio de Angelis <antonio.deangelis@arm.com>

secure_fw/services/crypto/crypto_aead.c

diff --git a/secure_fw/services/crypto/crypto_aead.c b/secure_fw/services/crypto/crypto_aead.c
index 383b0eb..80fc205 100644
--- a/secure_fw/services/crypto/crypto_aead.c
+++ b/secure_fw/services/crypto/crypto_aead.c
@@ -29,6 +29,9 @@
                                      psa_outvec out_vec[],
                                      size_t out_len)
 {
+#if (TFM_CRYPTO_AEAD_MODULE_DISABLED != 0)
+    return PSA_ERROR_NOT_SUPPORTED;
+#else
     psa_status_t status = PSA_SUCCESS;
 
     if ( !((in_len == 2) || (in_len == 3)) || (out_len != 1)) {
@@ -70,6 +73,7 @@
     }
 
     return status;
+#endif /* TFM_CRYPTO_AEAD_MODULE_DISABLED */
 }
 
 psa_status_t tfm_crypto_aead_decrypt(psa_invec in_vec[],
@@ -77,6 +81,9 @@
                                      psa_outvec out_vec[],
                                      size_t out_len)
 {
+#if (TFM_CRYPTO_AEAD_MODULE_DISABLED != 0)
+    return PSA_ERROR_NOT_SUPPORTED;
+#else
     psa_status_t status = PSA_SUCCESS;
 
     if ( !((in_len == 2) || (in_len == 3)) || (out_len > 1)) {
@@ -118,5 +125,6 @@
     }
 
     return status;
+#endif /* TFM_CRYPTO_AEAD_MODULE_DISABLED */
 }
 /*!@}*/