1 files changed, 30 insertions, 0 deletions
diff --git a/core/lib/libtomcrypt/acipher_helpers.h b/core/lib/libtomcrypt/acipher_helpers.h
new file mode 100644
index 00000000..e439d35c
--- /dev/null
+++ b/core/lib/libtomcrypt/acipher_helpers.h
@@ -0,0 +1,30 @@
+/* SPDX-License-Identifier: BSD-2-Clause */
+/*
+ * Copyright (c) 2014-2019, Linaro Limited
+ */
+
+#include <crypto/crypto.h>
+#include <tee_api_defines.h>
+#include <types_ext.h>
+
+static inline bool bn_alloc_max(struct bignum **s)
+{
+	*s = crypto_bignum_allocate(CFG_CORE_BIGNUM_MAX_BITS);
+
+	return *s;
+}
+
+static inline TEE_Result convert_ltc_verify_status(int ltc_res, int ltc_stat)
+{
+	switch (ltc_res) {
+	case CRYPT_OK:
+		if (ltc_stat == 1)
+			return TEE_SUCCESS;
+		else
+			return TEE_ERROR_SIGNATURE_INVALID;
+	case CRYPT_INVALID_PACKET:
+		return TEE_ERROR_SIGNATURE_INVALID;
+	default:
+		return TEE_ERROR_GENERIC;
+	}
+}