unikernel/duniverse/digestif/src-c/native/sha3.h

@@ -0,0 +1,24 @@
+/*  Copyright (c) 2015 Markku-Juhani O. Saarinen */
+
+#ifndef CRYPTOHASH_SHA3_H
+#define CRYPTOHASH_SHA3_H
+
+#include <stdint.h>
+
+
+struct sha3_ctx
+{
+  union {                                 // state:
+    uint8_t  b[200];                      // 8-bit bytes
+    uint64_t q[25];                       // 64-bit words
+  } st;
+  int pt, rsiz, mdlen;                    // these don't overflow
+};
+
+#define SHA3_CTX_SIZE		sizeof(struct sha3_ctx)
+
+void digestif_sha3_init(struct sha3_ctx *ctx, int mdlen);
+void digestif_sha3_update(struct sha3_ctx *ctx, uint8_t *data, uint32_t len);
+void digestif_sha3_finalize(struct sha3_ctx *ctx, uint8_t *out, uint8_t padding);
+
+#endif