1 files changed, 128 insertions, 0 deletions
diff --git a/pkgtools/digest/files/blake2b-hl.c b/pkgtools/digest/files/blake2b-hl.c
new file mode 100644
index 00000000000..fe47c04e7c7
--- /dev/null
+++ b/pkgtools/digest/files/blake2b-hl.c
@@ -0,0 +1,128 @@
+/* $NetBSD: blake2b-hl.c,v 1.1 2018/10/06 14:32:45 nia Exp $	*/
+
+/*
+ * blake2b-hl.c
+ * This code is derived from sha2hl.c, hence the following licence
+ * reproduction.
+ *
+ * This code is not a verbatim copy, since some routines have been added,
+ * and some bugs have been fixed.
+ *
+ * Version 1.0.0beta1
+ *
+ * Written by Aaron D. Gifford <me@aarongifford.com>
+ *
+ * Copyright 2000 Aaron D. Gifford.  All rights reserved.
+ *
+ * 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.
+ * 3. Neither the name of the copyright holder nor the names of contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ * 
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR(S) AND CONTRIBUTOR(S) ``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(S) OR CONTRIBUTOR(S) 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.
+ *
+ */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif
+
+#ifdef HAVE_ERRNO_H
+#include <errno.h>
+#endif
+#ifdef HAVE_FCNTL_H
+#include <fcntl.h>
+#endif
+#include <assert.h>
+#include <stdio.h>
+#include <string.h>
+#include <unistd.h>
+#include "blake2b.h"
+
+static const char blake2_hex_digits[] = "0123456789abcdef";
+
+#ifndef MEMSET_BZERO
+#define MEMSET_BZERO(p,l)	memset((p), 0, (l))
+#endif
+
+#ifndef _DIAGASSERT
+#define _DIAGASSERT(cond)	assert(cond)
+#endif
+
+void
+BLAKE2b_Init(struct blake2b *ctx)
+{
+	blake2b_init(ctx, BLAKE2B_MAX_DIGEST, NULL, 0);
+}
+
+void
+BLAKE2b_Update(struct blake2b *ctx, const uint8_t *input, size_t len)
+{
+	blake2b_update(ctx, input, len);
+}
+
+char *
+BLAKE2b_File(char *filename, char *buf)
+{
+	unsigned char	buffer[BUFSIZ * 20];
+	struct blake2b	ctx;
+	int		fd, num, oerrno;
+
+	_DIAGASSERT(filename != NULL);
+	/* XXX: buf may be NULL ? */
+
+	BLAKE2b_Init(&ctx);
+
+	if ((fd = open(filename, O_RDONLY)) < 0)
+		return (0);
+
+	while ((num = read(fd, buffer, sizeof(buffer))) > 0)
+		blake2b_update(&ctx, buffer, (size_t) num);
+
+	oerrno = errno;
+	close(fd);
+	errno = oerrno;
+	BLAKE2b_End(&ctx, buf);
+	return (num < 0 ? 0 : buf);
+}
+
+char *
+BLAKE2b_End(struct blake2b *ctx, char buffer[])
+{
+	unsigned char digest[BLAKE2B_MAX_DIGEST], *d = digest;
+	unsigned char *ret;
+	int i;
+
+	assert(ctx != NULL);
+
+	if ((ret = buffer) != NULL) {
+		blake2b_final(ctx, digest);
+
+		for (i = 0; i < BLAKE2B_MAX_DIGEST; i++) {
+			*buffer++ = blake2_hex_digits[(*d & 0xf0) >> 4];
+			*buffer++ = blake2_hex_digits[*d & 0x0f];
+			d++;
+		}
+		*buffer = '\0';
+	} else {
+		(void)MEMSET_BZERO(ctx, sizeof(struct blake2b));
+	}
+	(void)MEMSET_BZERO(digest, BLAKE2B_MAX_DIGEST);
+	return ret;
+}