Add support for extracting WinZIp AES encryption.

1 files changed, 164 insertions, 0 deletions

diff --git a/libarchive/archive_hmac.c b/libarchive/archive_hmac.c
new file mode 100644
index 00000000..0f673f7c
--- /dev/null
+++ b/libarchive/archive_hmac.c
@@ -0,0 +1,164 @@
+/*-
+* Copyright (c) 2014 Michihiro NAKAJIMA
+* 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.
+*
+* THIS SOFTWARE IS PROVIDED BY THE AUTHOR(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) 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.
+*/
+
+#include "archive_platform.h"
+
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif
+#include "archive.h"
+#include "archive_hmac.h"
+
+#ifdef __APPLE__
+
+static int
+__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
+{
+	CCHmacInit(ctx, kCCHmacAlgSHA1, key, key_len);
+	return 0;
+}
+
+static void
+__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
+    size_t data_len)
+{
+	CCHmacUpdate(ctx, data, data_len);
+}
+
+static void
+__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
+{
+	CCHmacFinal(ctx, out);
+	*out_len = 20;
+}
+
+static void
+__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
+{
+	memset(ctx, 0, sizeof(*ctx));
+}
+
+#elif defined(HAVE_LIBNETTLE)
+
+static int
+__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
+{
+	hmac_sha1_set_key(ctx, key_len, key);
+	return 0;
+}
+
+static void
+__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
+    size_t data_len)
+{
+	hmac_sha1_update(ctx, data_len, data);
+}
+
+static void
+__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
+{
+	hmac_sha1_digest(ctx, (unsigned)*out_len, out);
+}
+
+static void
+__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
+{
+	memset(ctx, 0, sizeof(*ctx));
+}
+
+#elif defined(HAVE_LIBCRYPTO)
+
+static int
+__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
+{
+	HMAC_CTX_init(ctx);
+	HMAC_Init(ctx, key, key_len, EVP_sha1());
+	return 0;
+}
+
+static void
+__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
+    size_t data_len)
+{
+	HMAC_Update(ctx, data, data_len);
+}
+
+static void
+__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out, size_t *out_len)
+{
+	unsigned int len = (unsigned int)*out_len;
+	HMAC_Final(ctx, out, &len);
+	*out_len = len;
+}
+
+static void
+__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
+{
+	HMAC_CTX_cleanup(ctx);
+	memset(ctx, 0, sizeof(*ctx));
+}
+
+#else
+
+/* Stub */
+static int
+__hmac_sha1_init(archive_hmac_sha1_ctx *ctx, const uint8_t *key, size_t key_len)
+{
+	(void)ctx;/* UNUSED */
+	(void)key;/* UNUSED */
+	(void)key_len;/* UNUSED */
+	return -1;
+}
+
+static void
+__hmac_sha1_update(archive_hmac_sha1_ctx *ctx, const uint8_t *data,
+    size_t data_len)
+{
+	(void)ctx;/* UNUSED */
+	(void)data;/* UNUSED */
+	(void)data_len;/* UNUSED */
+}
+
+static void
+__hmac_sha1_final(archive_hmac_sha1_ctx *ctx, uint8_t *out)
+{
+	(void)ctx;/* UNUSED */
+	(void)out;/* UNUSED */
+}
+
+static void
+__hmac_sha1_cleanup(archive_hmac_sha1_ctx *ctx)
+{
+	(void)ctx;/* UNUSED */
+}
+
+#endif
+
+const struct archive_hmac __archive_hmac = {
+	&__hmac_sha1_init,
+	&__hmac_sha1_update,
+	&__hmac_sha1_final,
+	&__hmac_sha1_cleanup,
+};