add tests that increase key derivation code coverage slightly
added tests that increase code coverage for the key derivation functions slightly
by reaching error cases not covered before.
diff --git a/tests/suites/test_suite_psa_crypto.data b/tests/suites/test_suite_psa_crypto.data
index 871a511..1a93a89 100644
--- a/tests/suites/test_suite_psa_crypto.data
+++ b/tests/suites/test_suite_psa_crypto.data
@@ -1189,6 +1189,10 @@
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_HKDF(PSA_ALG_SHA_256):"":"":42:PSA_SUCCESS
+PSA key derivation: HKDF-SHA-512, good case
+depends_on:MBEDTLS_MD_C:MBEDTLS_SHA512_C
+derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_HKDF(PSA_ALG_SHA_512):"":"":42:PSA_SUCCESS
+
PSA key derivation: bad key type
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
derive_setup:PSA_KEY_TYPE_RAW_DATA:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_HKDF(PSA_ALG_SHA_256):"":"":42:PSA_ERROR_INVALID_ARGUMENT
@@ -1201,6 +1205,14 @@
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_HKDF(PSA_ALG_CATEGORY_HASH):"":"":42:PSA_ERROR_NOT_SUPPORTED
+PSA key derivation: unsupported key derivation algorithm
+depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
+derive_setup:PSA_KEY_TYPE_DERIVE:"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":PSA_ALG_CATEGORY_KEY_DERIVATION:"":"":42:PSA_ERROR_NOT_SUPPORTED
+
+PSA key derivation: bad arguments test
+depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
+test_derive_invalid_generator:
+
PSA key derivation: HKDF SHA-256, RFC5869 #1, output 42+0
depends_on:MBEDTLS_MD_C:MBEDTLS_SHA256_C
derive_output:PSA_ALG_HKDF(PSA_ALG_SHA_256):"0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b0b":"000102030405060708090a0b0c":"f0f1f2f3f4f5f6f7f8f9":42:"3cb25f25faacd57a90434f64d0362f2a2d2d0a90cf1a5a4c5db02d56ecc4c5bf34007208d5b887185865":""
diff --git a/tests/suites/test_suite_psa_crypto.function b/tests/suites/test_suite_psa_crypto.function
index 63d837f..c6f49c0 100644
--- a/tests/suites/test_suite_psa_crypto.function
+++ b/tests/suites/test_suite_psa_crypto.function
@@ -3086,6 +3086,29 @@
/* END_CASE */
/* BEGIN_CASE */
+void test_derive_invalid_generator()
+{
+ psa_crypto_generator_t generator = PSA_CRYPTO_GENERATOR_INIT;
+ psa_key_slot_t base_key = 1;
+ psa_algorithm_t alg = PSA_ALG_HKDF(PSA_ALG_SHA_256);
+ data_t salt;
+ data_t label;
+ size_t capacity = 0;
+ salt.x = NULL;
+ salt.len = 0;
+ label.x = NULL;
+ label.len = 0;
+
+ generator.alg = alg;
+ /* invalid generator.alg */
+ TEST_ASSERT( psa_key_derivation( &generator, base_key, alg,
+ salt.x, salt.len,
+ label.x, label.len,
+ capacity ) == PSA_ERROR_BAD_STATE );
+}
+/* END_CASE */
+
+/* BEGIN_CASE */
void derive_output( int alg_arg,
data_t *key_data,
data_t *salt,
