commit 50e0e1121335f3fd2df90f72be243203d3194b9b
author Kusumit Ghoderao <Kusumit.Ghoderao@silabs.com> Thu Apr 06 17:47:25 2023 +0530
committer Kusumit Ghoderao <Kusumit.Ghoderao@silabs.com> Thu Apr 06 17:47:25 2023 +0530
tree 453a7ef99d4616ca539ef296221442729b7f4070
parent bcf2f66a1101baf1daa840b3a7077cf764f96243

Add key_derivation_input_integer function

Signed-off-by: Kusumit Ghoderao <Kusumit.Ghoderao@silabs.com>

library/psa_crypto.c

diff --git a/library/psa_crypto.c b/library/psa_crypto.c
index 9cccf53..93567b4 100644
--- a/library/psa_crypto.c
+++ b/library/psa_crypto.c
@@ -6481,6 +6481,47 @@
     return status;
 }
 
+static psa_status_t psa_key_derivation_input_integer_internal(
+    psa_key_derivation_operation_t *operation,
+    psa_key_derivation_step_t step,
+    uint64_t value)
+{
+    psa_status_t status;
+    psa_algorithm_t kdf_alg = psa_key_derivation_get_kdf_alg(operation);
+
+#if defined(BUILTIN_ALG_ANY_HKDF)
+    if (PSA_ALG_IS_ANY_HKDF(kdf_alg)) {
+        status = PSA_ERROR_INVALID_ARGUMENT;
+    } else
+#endif /* BUILTIN_ALG_ANY_HKDF */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF)
+    if (PSA_ALG_IS_TLS12_PRF(kdf_alg)) {
+        status = PSA_ERROR_INVALID_ARGUMENT;
+    } else
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_PRF */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS)
+    if (PSA_ALG_IS_TLS12_PSK_TO_MS(kdf_alg)) {
+        status = PSA_ERROR_INVALID_ARGUMENT;
+    } else
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_PSK_TO_MS */
+#if defined(MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS)
+    if (kdf_alg == PSA_ALG_TLS12_ECJPAKE_TO_PMS) {
+        status = PSA_ERROR_INVALID_ARGUMENT;
+    } else
+#endif /* MBEDTLS_PSA_BUILTIN_ALG_TLS12_ECJPAKE_TO_PMS */
+    {
+        /* This can't happen unless the operation object was not initialized */
+        (void) value;
+        (void) kdf_alg;
+        return PSA_ERROR_BAD_STATE;
+    }
+
+    if (status != PSA_SUCCESS) {
+        psa_key_derivation_abort(operation);
+    }
+    return status;
+}
+
 psa_status_t psa_key_derivation_input_bytes(
     psa_key_derivation_operation_t *operation,
     psa_key_derivation_step_t step,
@@ -6492,6 +6533,14 @@
                                              data, data_length);
 }
 
+psa_status_t psa_key_derivation_input_integer(
+    psa_key_derivation_operation_t *operation,
+    psa_key_derivation_step_t step,
+    uint64_t value)
+{
+    return psa_key_derivation_input_integer_internal(operation, step, value);
+}
+
 psa_status_t psa_key_derivation_input_key(
     psa_key_derivation_operation_t *operation,
     psa_key_derivation_step_t step,