aboutsummaryrefslogtreecommitdiffstats
path: root/libarchive/archive_cryptor_private.h
diff options
context:
space:
mode:
authorMartin Matuska <mm@FreeBSD.org>2016-05-11 10:19:44 +0000
committerMartin Matuska <mm@FreeBSD.org>2016-05-11 10:19:44 +0000
commit4e579f6c9425c995106fbf72667f4ec7e5d5db85 (patch)
treed298bb9fa3cf4f58e328e696a77fadf758a534eb /libarchive/archive_cryptor_private.h
parent8c8f03ca5b7f1f0d07c23e7c354a45b7c95335f0 (diff)
downloadsrc-4e579f6c9425c995106fbf72667f4ec7e5d5db85.tar.gz
src-4e579f6c9425c995106fbf72667f4ec7e5d5db85.zip
Update vendor/libarchive/dist to git commit 61c56e5 (post 3.2.0)vendor/libarchive/3.2.0
Notes
Notes: svn path=/vendor/libarchive/dist/; revision=299425 svn path=/vendor/libarchive/3.2.0/; revision=299528; tag=vendor/libarchive/3.2.0
Diffstat (limited to 'libarchive/archive_cryptor_private.h')
-rw-r--r--libarchive/archive_cryptor_private.h163
1 files changed, 163 insertions, 0 deletions
diff --git a/libarchive/archive_cryptor_private.h b/libarchive/archive_cryptor_private.h
new file mode 100644
index 000000000000..37eaad369dc7
--- /dev/null
+++ b/libarchive/archive_cryptor_private.h
@@ -0,0 +1,163 @@
+/*-
+* 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.
+*/
+
+#ifndef __LIBARCHIVE_BUILD
+#error This header is only to be used internally to libarchive.
+#endif
+
+#ifndef ARCHIVE_CRYPTOR_PRIVATE_H_INCLUDED
+#define ARCHIVE_CRYPTOR_PRIVATE_H_INCLUDED
+
+/*
+ * On systems that do not support any recognized crypto libraries,
+ * the archive_cryptor.c file will normally define no usable symbols.
+ *
+ * But some compilers and linkers choke on empty object files, so
+ * define a public symbol that will always exist. This could
+ * be removed someday if this file gains another always-present
+ * symbol definition.
+ */
+int __libarchive_cryptor_build_hack(void);
+
+#ifdef __APPLE__
+# include <AvailabilityMacros.h>
+# if MAC_OS_X_VERSION_MAX_ALLOWED >= 1080
+# define ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
+# endif
+#endif
+
+#ifdef ARCHIVE_CRYPTOR_USE_Apple_CommonCrypto
+#include <CommonCrypto/CommonCryptor.h>
+#include <CommonCrypto/CommonKeyDerivation.h>
+#define AES_BLOCK_SIZE 16
+#define AES_MAX_KEY_SIZE kCCKeySizeAES256
+
+typedef struct {
+ CCCryptorRef ctx;
+ uint8_t key[AES_MAX_KEY_SIZE];
+ unsigned key_len;
+ uint8_t nonce[AES_BLOCK_SIZE];
+ uint8_t encr_buf[AES_BLOCK_SIZE];
+ unsigned encr_pos;
+} archive_crypto_ctx;
+
+#elif defined(_WIN32) && !defined(__CYGWIN__) && defined(HAVE_BCRYPT_H)
+#include <Bcrypt.h>
+
+/* Common in other bcrypt implementations, but missing from VS2008. */
+#ifndef BCRYPT_SUCCESS
+#define BCRYPT_SUCCESS(r) ((NTSTATUS)(r) == STATUS_SUCCESS)
+#endif
+
+#define AES_MAX_KEY_SIZE 32
+#define AES_BLOCK_SIZE 16
+typedef struct {
+ BCRYPT_ALG_HANDLE hAlg;
+ BCRYPT_KEY_HANDLE hKey;
+ PBYTE keyObj;
+ DWORD keyObj_len;
+ uint8_t nonce[AES_BLOCK_SIZE];
+ uint8_t encr_buf[AES_BLOCK_SIZE];
+ unsigned encr_pos;
+} archive_crypto_ctx;
+
+#elif defined(HAVE_LIBNETTLE) && defined(HAVE_NETTLE_AES_H)
+#if defined(HAVE_NETTLE_PBKDF2_H)
+#include <nettle/pbkdf2.h>
+#endif
+#include <nettle/aes.h>
+
+typedef struct {
+ struct aes_ctx ctx;
+ uint8_t key[AES_MAX_KEY_SIZE];
+ unsigned key_len;
+ uint8_t nonce[AES_BLOCK_SIZE];
+ uint8_t encr_buf[AES_BLOCK_SIZE];
+ unsigned encr_pos;
+} archive_crypto_ctx;
+
+#elif defined(HAVE_LIBCRYPTO)
+#include <openssl/evp.h>
+#define AES_BLOCK_SIZE 16
+#define AES_MAX_KEY_SIZE 32
+
+typedef struct {
+ EVP_CIPHER_CTX ctx;
+ const EVP_CIPHER *type;
+ uint8_t key[AES_MAX_KEY_SIZE];
+ unsigned key_len;
+ uint8_t nonce[AES_BLOCK_SIZE];
+ uint8_t encr_buf[AES_BLOCK_SIZE];
+ unsigned encr_pos;
+} archive_crypto_ctx;
+
+#else
+
+#define AES_BLOCK_SIZE 16
+#define AES_MAX_KEY_SIZE 32
+typedef int archive_crypto_ctx;
+
+#endif
+
+/* defines */
+#define archive_pbkdf2_sha1(pw, pw_len, salt, salt_len, rounds, dk, dk_len)\
+ __archive_cryptor.pbkdf2sha1(pw, pw_len, salt, salt_len, rounds, dk, dk_len)
+
+#define archive_decrypto_aes_ctr_init(ctx, key, key_len) \
+ __archive_cryptor.decrypto_aes_ctr_init(ctx, key, key_len)
+#define archive_decrypto_aes_ctr_update(ctx, in, in_len, out, out_len) \
+ __archive_cryptor.decrypto_aes_ctr_update(ctx, in, in_len, out, out_len)
+#define archive_decrypto_aes_ctr_release(ctx) \
+ __archive_cryptor.decrypto_aes_ctr_release(ctx)
+
+#define archive_encrypto_aes_ctr_init(ctx, key, key_len) \
+ __archive_cryptor.encrypto_aes_ctr_init(ctx, key, key_len)
+#define archive_encrypto_aes_ctr_update(ctx, in, in_len, out, out_len) \
+ __archive_cryptor.encrypto_aes_ctr_update(ctx, in, in_len, out, out_len)
+#define archive_encrypto_aes_ctr_release(ctx) \
+ __archive_cryptor.encrypto_aes_ctr_release(ctx)
+
+/* Minimal interface to cryptographic functionality for internal use in
+ * libarchive */
+struct archive_cryptor
+{
+ /* PKCS5 PBKDF2 HMAC-SHA1 */
+ int (*pbkdf2sha1)(const char *pw, size_t pw_len, const uint8_t *salt,
+ size_t salt_len, unsigned rounds, uint8_t *derived_key,
+ size_t derived_key_len);
+ /* AES CTR mode(little endian version) */
+ int (*decrypto_aes_ctr_init)(archive_crypto_ctx *, const uint8_t *, size_t);
+ int (*decrypto_aes_ctr_update)(archive_crypto_ctx *, const uint8_t *,
+ size_t, uint8_t *, size_t *);
+ int (*decrypto_aes_ctr_release)(archive_crypto_ctx *);
+ int (*encrypto_aes_ctr_init)(archive_crypto_ctx *, const uint8_t *, size_t);
+ int (*encrypto_aes_ctr_update)(archive_crypto_ctx *, const uint8_t *,
+ size_t, uint8_t *, size_t *);
+ int (*encrypto_aes_ctr_release)(archive_crypto_ctx *);
+};
+
+extern const struct archive_cryptor __archive_cryptor;
+
+#endif