commit 63fa40e593405cb872295b8c396ec335f6854801
author Steven Cooreman <steven.cooreman@silabs.com> Fri May 07 17:27:27 2021 +0200
committer Steven Cooreman <steven.cooreman@silabs.com> Tue May 11 18:56:01 2021 +0200
tree 12c8e46518458e73e4204e729cd122e31be893fc
parent aaf9944db3e8ef0a82885cc3fcf8fecd7b79e5ac

Add sanity tests for CMAC-(3)DES through PSA Crypto

Signed-off-by: Steven Cooreman <steven.cooreman@silabs.com>

library/psa_crypto_mac.c

diff --git a/library/psa_crypto_mac.c b/library/psa_crypto_mac.c
index 9c44c23..6972472 100644
--- a/library/psa_crypto_mac.c
+++ b/library/psa_crypto_mac.c
@@ -195,6 +195,16 @@
                                 const uint8_t *key_buffer )
 {
     int ret = MBEDTLS_ERR_ERROR_CORRUPTION_DETECTED;
+
+#if defined(PSA_WANT_KEY_TYPE_DES)
+    /* Mbed TLS CMAC does not accept 3DES with only two keys, nor does it accept
+     * to do CMAC with pure DES, so return NOT_SUPPORTED here. */
+    if( psa_get_key_type( attributes ) == PSA_KEY_TYPE_DES &&
+        ( psa_get_key_bits( attributes ) == 64 ||
+          psa_get_key_bits( attributes ) == 128 ) )
+        return( PSA_ERROR_NOT_SUPPORTED );
+#endif
+
     const mbedtls_cipher_info_t * cipher_info =
         mbedtls_cipher_info_from_psa(
             PSA_ALG_CMAC,

tests/suites/test_suite_psa_crypto.data

diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index 944ef23..7b86185 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -1294,6 +1294,22 @@
 depends_on:PSA_WANT_ALG_HMAC:PSA_WANT_ALG_SHA_512:PSA_WANT_KEY_TYPE_HMAC
 mac_verify:PSA_KEY_TYPE_HMAC:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_TRUNCATED_MAC(PSA_ALG_HMAC(PSA_ALG_SHA_512), 4):"4869205468657265":"87aa7cde"
 
+PSA MAC sign: CMAC-3DES (CAVP vector #95)
+depends_on:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_DES
+mac_sign:PSA_KEY_TYPE_DES:"7c34e67a2a8fef581cc4f7dceaea130dad52c189739e401f":PSA_ALG_CMAC:"eb3365a0a9d141270334065547418fe64c47823c024082b94d54a66d149f2af1":"e1d7c3736739e726"
+
+PSA MAC verify: CMAC-3DES (CAVP vector #95)
+depends_on:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_DES
+mac_verify:PSA_KEY_TYPE_DES:"7c34e67a2a8fef581cc4f7dceaea130dad52c189739e401f":PSA_ALG_CMAC:"eb3365a0a9d141270334065547418fe64c47823c024082b94d54a66d149f2af1":"e1d7c3736739e726"
+
+PSA MAC: CMAC-3DES-2key (not supported in PSA)
+depends_on:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_DES
+mac_setup:PSA_KEY_TYPE_DES:"89fe91f1c1ef2f01efc4c18f5715894c":PSA_ALG_CMAC:PSA_ERROR_NOT_SUPPORTED
+
+PSA MAC: CMAC-DES (not supported in PSA)
+depends_on:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_DES
+mac_setup:PSA_KEY_TYPE_DES:"89fe91f1c1ef2f01":PSA_ALG_CMAC:PSA_ERROR_NOT_SUPPORTED
+
 PSA MAC sign: CMAC-AES-128
 depends_on:PSA_WANT_ALG_CMAC:PSA_WANT_KEY_TYPE_AES
 mac_sign:PSA_KEY_TYPE_AES:"2b7e151628aed2a6abf7158809cf4f3c":PSA_ALG_CMAC:"6bc1bee22e409f96e93d7e117393172aae2d8a571e03ac9c9eb76fac45af8e5130c81c46a35ce411":"dfa66747de9ae63030ca32611497c827"