unikernel/duniverse/digestif/src-c/native/sha256.h

@@ -0,0 +1,53 @@
+/*
+ * Copyright (C) 2006-2009 Vincent Hanquez <vincent@snarc.org>
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
+ * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#ifndef CRYPTOHASH_SHA256_H
+#define CRYPTOHASH_SHA256_H
+
+#include <stdint.h>
+
+struct sha256_ctx
+{
+	uint64_t sz;
+	uint8_t  buf[128];
+	uint32_t h[8];
+};
+
+#define sha224_ctx 		sha256_ctx
+
+#define SHA224_DIGEST_SIZE	28
+#define SHA224_CTX_SIZE		sizeof(struct sha224_ctx)
+
+#define SHA256_DIGEST_SIZE	32
+#define SHA256_CTX_SIZE		sizeof(struct sha256_ctx)
+
+void digestif_sha224_init(struct sha224_ctx *ctx);
+void digestif_sha224_update(struct sha224_ctx *ctx, uint8_t *data, uint32_t len);
+void digestif_sha224_finalize(struct sha224_ctx *ctx, uint8_t *out);
+
+void digestif_sha256_init(struct sha256_ctx *ctx);
+void digestif_sha256_update(struct sha256_ctx *ctx, uint8_t *data, uint32_t len);
+void digestif_sha256_finalize(struct sha256_ctx *ctx, uint8_t *out);
+
+#endif