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-rw-r--r--sha256/nettle.h31
1 files changed, 31 insertions, 0 deletions
diff --git a/sha256/nettle.h b/sha256/nettle.h
new file mode 100644
index 0000000..b63e1c8
--- /dev/null
+++ b/sha256/nettle.h
@@ -0,0 +1,31 @@
+#ifndef SHA256_NETTLE_H
+#define SHA256_NETTLE_H
+
+#include <nettle/sha2.h>
+
+typedef struct sha256_ctx nettle_SHA256_CTX;
+
+static inline void nettle_SHA256_Init(nettle_SHA256_CTX *ctx)
+{
+ sha256_init(ctx);
+}
+
+static inline void nettle_SHA256_Update(nettle_SHA256_CTX *ctx,
+ const void *data,
+ size_t len)
+{
+ sha256_update(ctx, len, data);
+}
+
+static inline void nettle_SHA256_Final(unsigned char *digest,
+ nettle_SHA256_CTX *ctx)
+{
+ sha256_digest(ctx, SHA256_DIGEST_SIZE, digest);
+}
+
+#define platform_SHA256_CTX nettle_SHA256_CTX
+#define platform_SHA256_Init nettle_SHA256_Init
+#define platform_SHA256_Update nettle_SHA256_Update
+#define platform_SHA256_Final nettle_SHA256_Final
+
+#endif