Replace struct hash_ops with function interface

Adds crypto_hash_get_ctx_size(), crypto_hash_init(),
crypto_hash_update() and crypto_hash_final() replacing struct hash_ops
in crypto_ops.

Acked-by: Jerome Forissier <jerome.forissier@linaro.org>
Reviewed-by: Etienne Carriere <etienne.carriere@linaro.org>
Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>

2 files changed, 33 insertions, 0 deletions

diff --git a/core/crypto/crypto.c b/core/crypto/crypto.c
new file mode 100644
index 00000000..91b325b3
--- /dev/null
+++ b/core/crypto/crypto.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright (c) 2017, Linaro Limited
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-2-Clause
+ */
+
+#include <compiler.h>
+#include <tee/tee_cryp_provider.h>
+
+#if !defined(_CFG_CRYPTO_WITH_HASH)
+TEE_Result crypto_hash_get_ctx_size(uint32_t algo __unused,
+				    size_t *size __unused)
+{
+	return TEE_ERROR_NOT_IMPLEMENTED;
+}
+
+TEE_Result crypto_hash_init(void *ctx __unused, uint32_t algo __unused)
+{
+	return TEE_ERROR_NOT_IMPLEMENTED;
+}
+TEE_Result crypto_hash_update(void *ctx __unused, uint32_t algo __unused,
+			      const uint8_t *data __unused, size_t len __unused)
+{
+	return TEE_ERROR_NOT_IMPLEMENTED;
+}
+TEE_Result crypto_hash_final(void *ctx __unused, uint32_t algo __unused,
+			     uint8_t *digest __unused, size_t len __unused)
+{
+	return TEE_ERROR_NOT_IMPLEMENTED;
+}
+#endif /*_CFG_CRYPTO_WITH_HASH*/
diff --git a/core/crypto/sub.mk b/core/crypto/sub.mk
new file mode 100644
index 00000000..7f72ebd0
--- /dev/null
+++ b/core/crypto/sub.mk
@@ -0,0 +1 @@
+srcs-y += crypto.c