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-rw-r--r--src/lib/util/sha1.h61
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diff --git a/src/lib/util/sha1.h b/src/lib/util/sha1.h
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+/* sha1.h
+ *
+ * The sha1 hash function.
+ */
+
+/* nettle, low-level cryptographics library
+ *
+ * Copyright (C) 2001 Niels Moeller
+ *
+ * The nettle library is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation; either version 2.1 of the License, or (at your
+ * option) any later version.
+ *
+ * The nettle library is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+ * or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public
+ * License for more details.
+ *
+ * You should have received a copy of the GNU Lesser General Public License
+ * along with the nettle library; see the file COPYING.LIB. If not, write to
+ * the Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ */
+
+#ifndef NETTLE_SHA1_H_INCLUDED
+#define NETTLE_SHA1_H_INCLUDED
+
+#include "osdcore.h"
+
+#define SHA1_DIGEST_SIZE 20
+#define SHA1_DATA_SIZE 64
+
+/* Digest is kept internally as 4 32-bit words. */
+#define _SHA1_DIGEST_LENGTH 5
+
+struct sha1_ctx
+{
+ UINT32 digest[_SHA1_DIGEST_LENGTH]; /* Message digest */
+ UINT32 count_low, count_high; /* 64-bit block count */
+ UINT8 block[SHA1_DATA_SIZE]; /* SHA1 data buffer */
+ unsigned int index; /* index into buffer */
+};
+
+void
+sha1_init(struct sha1_ctx *ctx);
+
+void
+sha1_update(struct sha1_ctx *ctx,
+ unsigned length,
+ const UINT8 *data);
+
+void
+sha1_final(struct sha1_ctx *ctx);
+
+void
+sha1_digest(const struct sha1_ctx *ctx,
+ unsigned length,
+ UINT8 *digest);
+
+#endif /* NETTLE_SHA1_H_INCLUDED */