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pcloudcc-lneely/lib/pclsync/pssl-mbedtls.h

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/*
Copyright (c) 2015 Anton Titov.
Copyright (c) 2015 pCloud Ltd. All rights reserved.
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions
are met: Redistributions of source code must retain the above
copyright notice, this list of conditions and the following
disclaimer. 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. Neither the name of pCloud Ltd nor the
names of its contributors may be used to endorse or promote
products derived from this software without specific prior written
permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
"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 pCloud
Ltd 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 _PSYNC_MBEDTLS_H
#define _PSYNC_MBEDTLS_H
#include <polarssl/aes.h>
#include <polarssl/rsa.h>
#include <polarssl/sha1.h>
#include <polarssl/sha256.h>
#include <polarssl/sha512.h>
#define PSYNC_INVALID_RSA NULL
#define PSYNC_INVALID_SYM_KEY NULL
#define PSYNC_SHA1_BLOCK_LEN 64
#define PSYNC_SHA1_DIGEST_LEN 20
#define PSYNC_SHA1_DIGEST_HEXLEN 40
#define psync_sha1_ctx sha1_context
#define psync_sha1(data, datalen, checksum) sha1(data, datalen, checksum)
#define psync_sha1_init(pctx) sha1_starts(pctx)
#define psync_sha1_update(pctx, data, datalen) \
sha1_update(pctx, (const unsigned char *)data, datalen)
#define psync_sha1_final(checksum, pctx) sha1_finish(pctx, checksum)
#define PSYNC_SHA256_BLOCK_LEN 64
#define PSYNC_SHA256_DIGEST_LEN 32
#define PSYNC_SHA256_DIGEST_HEXLEN 64
#define psync_sha256_ctx sha256_context
#define psync_sha256(data, datalen, checksum) sha256(data, datalen, checksum, 0)
#define psync_sha256_init(pctx) sha256_starts(pctx, 0)
#define psync_sha256_update(pctx, data, datalen) \
sha256_update(pctx, (const unsigned char *)data, datalen)
#define psync_sha256_final(checksum, pctx) sha256_finish(pctx, checksum)
#define PSYNC_SHA512_BLOCK_LEN 128
#define PSYNC_SHA512_DIGEST_LEN 64
#define PSYNC_SHA512_DIGEST_HEXLEN 128
#define psync_sha512_ctx sha512_context
#define psync_sha512(data, datalen, checksum) sha512(data, datalen, checksum, 0)
#define psync_sha512_init(pctx) sha512_starts(pctx, 0)
#define psync_sha512_update(pctx, data, datalen) \
sha512_update(pctx, (const unsigned char *)data, datalen)
#define psync_sha512_final(checksum, pctx) sha512_finish(pctx, checksum)
typedef rsa_context *psync_rsa_t;
typedef rsa_context *psync_rsa_publickey_t;
typedef rsa_context *psync_rsa_privatekey_t;
typedef struct {
size_t keylen;
unsigned char key[];
} psync_symmetric_key_struct_t, *psync_symmetric_key_t;
typedef aes_context *psync_aes256_encoder;
typedef aes_context *psync_aes256_decoder;
typedef void (*psync_ssl_debug_callback_t)(void *ctx, int level,
const char *message);
void psync_ssl_set_log_threshold(int threshold);
void psync_ssl_set_debug_callback(psync_ssl_debug_callback_t cb, void *ctx);
#if defined(__GNUC__) && \
(defined(__amd64__) || defined(__x86_64__) || defined(__i386__))
#define PSYNC_AES_HW
#define PSYNC_AES_HW_GCC
#elif defined(_MSC_VER)
#define PSYNC_AES_HW
#define PSYNC_AES_HW_MSC
#endif
#if defined(PSYNC_AES_HW)
extern int psync_ssl_hw_aes;
void psync_aes256_encode_block_hw(psync_aes256_encoder enc,
const unsigned char *src, unsigned char *dst);
void psync_aes256_decode_block_hw(psync_aes256_decoder enc,
const unsigned char *src, unsigned char *dst);
void psync_aes256_encode_2blocks_consec_hw(psync_aes256_encoder enc,
const unsigned char *src,
unsigned char *dst);
void psync_aes256_decode_2blocks_consec_hw(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst);
void psync_aes256_decode_4blocks_consec_xor_hw(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst,
unsigned char *bxor);
void psync_aes256_decode_4blocks_consec_xor_sw(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst,
unsigned char *bxor);
static inline void psync_aes256_encode_block(psync_aes256_encoder enc,
const unsigned char *src,
unsigned char *dst) {
if (likely(psync_ssl_hw_aes))
psync_aes256_encode_block_hw(enc, src, dst);
else
aes_crypt_ecb(enc, AES_ENCRYPT, src, dst);
}
static inline void psync_aes256_decode_block(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst) {
if (likely(psync_ssl_hw_aes))
psync_aes256_decode_block_hw(enc, src, dst);
else
aes_crypt_ecb(enc, AES_DECRYPT, src, dst);
}
static inline void psync_aes256_encode_2blocks_consec(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst) {
if (likely(psync_ssl_hw_aes))
psync_aes256_encode_2blocks_consec_hw(enc, src, dst);
else {
aes_crypt_ecb(enc, AES_ENCRYPT, src, dst);
aes_crypt_ecb(enc, AES_ENCRYPT, src + PSYNC_AES256_BLOCK_SIZE,
dst + PSYNC_AES256_BLOCK_SIZE);
}
}
static inline void psync_aes256_decode_2blocks_consec(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst) {
if (likely(psync_ssl_hw_aes))
psync_aes256_decode_2blocks_consec_hw(enc, src, dst);
else {
aes_crypt_ecb(enc, AES_DECRYPT, src, dst);
aes_crypt_ecb(enc, AES_DECRYPT, src + PSYNC_AES256_BLOCK_SIZE,
dst + PSYNC_AES256_BLOCK_SIZE);
}
}
static inline void psync_aes256_decode_4blocks_consec_xor(
psync_aes256_decoder enc, const unsigned char *src, unsigned char *dst,
unsigned char *bxor) {
if (psync_ssl_hw_aes)
psync_aes256_decode_4blocks_consec_xor_hw(enc, src, dst, bxor);
else
psync_aes256_decode_4blocks_consec_xor_sw(enc, src, dst, bxor);
}
#else
static inline void psync_aes256_encode_block(psync_aes256_encoder enc,
const unsigned char *src,
unsigned char *dst) {
aes_crypt_ecb(enc, AES_ENCRYPT, src, dst);
}
static inline void psync_aes256_decode_block(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst) {
aes_crypt_ecb(enc, AES_DECRYPT, src, dst);
}
static inline void psync_aes256_encode_2blocks_consec(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst) {
aes_crypt_ecb(enc, AES_ENCRYPT, src, dst);
aes_crypt_ecb(enc, AES_ENCRYPT, src + PSYNC_AES256_BLOCK_SIZE,
dst + PSYNC_AES256_BLOCK_SIZE);
}
static inline void psync_aes256_decode_2blocks_consec(psync_aes256_decoder enc,
const unsigned char *src,
unsigned char *dst) {
aes_crypt_ecb(enc, AES_DECRYPT, src, dst);
aes_crypt_ecb(enc, AES_DECRYPT, src + PSYNC_AES256_BLOCK_SIZE,
dst + PSYNC_AES256_BLOCK_SIZE);
}
static inline void psync_aes256_decode_4blocks_consec_xor(
psync_aes256_decoder enc, const unsigned char *src, unsigned char *dst,
unsigned char *bxor) {
unsigned long i;
aes_crypt_ecb(enc, AES_DECRYPT, src, dst);
aes_crypt_ecb(enc, AES_DECRYPT, src + PSYNC_AES256_BLOCK_SIZE,
dst + PSYNC_AES256_BLOCK_SIZE);
aes_crypt_ecb(enc, AES_DECRYPT, src + PSYNC_AES256_BLOCK_SIZE * 2,
dst + PSYNC_AES256_BLOCK_SIZE * 2);
aes_crypt_ecb(enc, AES_DECRYPT, src + PSYNC_AES256_BLOCK_SIZE * 3,
dst + PSYNC_AES256_BLOCK_SIZE * 3);
for (i = 0; i < PSYNC_AES256_BLOCK_SIZE * 4 / sizeof(unsigned long); i++)
((unsigned long *)dst)[i] ^= ((unsigned long *)bxor)[i];
}
#endif
#endif
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