easylinux/OpenTXW81X
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

pure sdk for main

Browse Source
This commit is contained in:
divadiow
2025-08-27 09:51:58 +01:00
parent f0d033f1c9
commit 0571416e7c
3283 changed files with 1577720 additions and 1 deletions
Download Patch File Download Diff File Expand all files Collapse all files
sdk/lib/crypto/openssl/crypto/modes/cbc128.c
+207
View File
@@ -0,0 +1,207 @@
/* ====================================================================
* Copyright (c) 2008 The OpenSSL Project. 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. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS CONTRIBUTORS 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 <openssl/crypto.h>
#include "modes_lcl.h"
#include <string.h>
#ifndef MODES_DEBUG
# ifndef NDEBUG
# define NDEBUG
# endif
#endif
#include <assert.h>
#if !defined(STRICT_ALIGNMENT) && !defined(PEDANTIC)
# define STRICT_ALIGNMENT 0
#endif
void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block)
{
size_t n;
const unsigned char *iv = ivec;
assert(in && out && key && ivec);
#if !defined(OPENSSL_SMALL_FOOTPRINT)
if (STRICT_ALIGNMENT &&
((size_t)in | (size_t)out | (size_t)ivec) % sizeof(size_t) != 0) {
while (len >= 16) {
for (n = 0; n < 16; ++n)
out[n] = in[n] ^ iv[n];
(*block) (out, out, key);
iv = out;
len -= 16;
in += 16;
out += 16;
}
} else {
while (len >= 16) {
for (n = 0; n < 16; n += sizeof(size_t))
*(size_t *)(out + n) =
*(size_t *)(in + n) ^ *(size_t *)(iv + n);
(*block) (out, out, key);
iv = out;
len -= 16;
in += 16;
out += 16;
}
}
#endif
while (len) {
for (n = 0; n < 16 && n < len; ++n)
out[n] = in[n] ^ iv[n];
for (; n < 16; ++n)
out[n] = iv[n];
(*block) (out, out, key);
iv = out;
if (len <= 16)
break;
len -= 16;
in += 16;
out += 16;
}
memcpy(ivec, iv, 16);
}
void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block)
{
size_t n;
union {
size_t t[16 / sizeof(size_t)];
unsigned char c[16];
} tmp;
assert(in && out && key && ivec);
#if !defined(OPENSSL_SMALL_FOOTPRINT)
if (in != out) {
const unsigned char *iv = ivec;
if (STRICT_ALIGNMENT &&
((size_t)in | (size_t)out | (size_t)ivec) % sizeof(size_t) != 0) {
while (len >= 16) {
(*block) (in, out, key);
for (n = 0; n < 16; ++n)
out[n] ^= iv[n];
iv = in;
len -= 16;
in += 16;
out += 16;
}
} else if (16 % sizeof(size_t) == 0) { /* always true */
while (len >= 16) {
size_t *out_t = (size_t *)out, *iv_t = (size_t *)iv;
(*block) (in, out, key);
for (n = 0; n < 16 / sizeof(size_t); n++)
out_t[n] ^= iv_t[n];
iv = in;
len -= 16;
in += 16;
out += 16;
}
}
memcpy(ivec, iv, 16);
} else {
if (STRICT_ALIGNMENT &&
((size_t)in | (size_t)out | (size_t)ivec) % sizeof(size_t) != 0) {
unsigned char c;
while (len >= 16) {
(*block) (in, tmp.c, key);
for (n = 0; n < 16; ++n) {
c = in[n];
out[n] = tmp.c[n] ^ ivec[n];
ivec[n] = c;
}
len -= 16;
in += 16;
out += 16;
}
} else if (16 % sizeof(size_t) == 0) { /* always true */
while (len >= 16) {
size_t c, *out_t = (size_t *)out, *ivec_t = (size_t *)ivec;
const size_t *in_t = (const size_t *)in;
(*block) (in, tmp.c, key);
for (n = 0; n < 16 / sizeof(size_t); n++) {
c = in_t[n];
out_t[n] = tmp.t[n] ^ ivec_t[n];
ivec_t[n] = c;
}
len -= 16;
in += 16;
out += 16;
}
}
}
#endif
while (len) {
unsigned char c;
(*block) (in, tmp.c, key);
for (n = 0; n < 16 && n < len; ++n) {
c = in[n];
out[n] = tmp.c[n] ^ ivec[n];
ivec[n] = c;
}
if (len <= 16) {
for (; n < 16; ++n)
ivec[n] = in[n];
break;
}
len -= 16;
in += 16;
out += 16;
}
}
sdk/lib/crypto/openssl/crypto/modes/modes.h
+163
View File
@@ -0,0 +1,163 @@
/* ====================================================================
* Copyright (c) 2008 The OpenSSL Project. All rights reserved.
*
* Rights for redistribution and usage in source and binary
* forms are granted according to the OpenSSL license.
*/
#include <stddef.h>
#ifdef __cplusplus
extern "C" {
#endif
typedef void (*block128_f) (const unsigned char in[16],
unsigned char out[16], const void *key);
typedef void (*cbc128_f) (const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], int enc);
typedef void (*ctr128_f) (const unsigned char *in, unsigned char *out,
size_t blocks, const void *key,
const unsigned char ivec[16]);
typedef void (*ccm128_f) (const unsigned char *in, unsigned char *out,
size_t blocks, const void *key,
const unsigned char ivec[16],
unsigned char cmac[16]);
void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block);
void CRYPTO_cbc128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], block128_f block);
void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16],
unsigned char ecount_buf[16], unsigned int *num,
block128_f block);
void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16],
unsigned char ecount_buf[16],
unsigned int *num, ctr128_f ctr);
void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], int *num,
block128_f block);
void CRYPTO_cfb128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], int *num,
int enc, block128_f block);
void CRYPTO_cfb128_8_encrypt(const unsigned char *in, unsigned char *out,
size_t length, const void *key,
unsigned char ivec[16], int *num,
int enc, block128_f block);
void CRYPTO_cfb128_1_encrypt(const unsigned char *in, unsigned char *out,
size_t bits, const void *key,
unsigned char ivec[16], int *num,
int enc, block128_f block);
size_t CRYPTO_cts128_encrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key, unsigned char ivec[16],
block128_f block);
size_t CRYPTO_cts128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);
size_t CRYPTO_cts128_decrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key, unsigned char ivec[16],
block128_f block);
size_t CRYPTO_cts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);
size_t CRYPTO_nistcts128_encrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key,
unsigned char ivec[16],
block128_f block);
size_t CRYPTO_nistcts128_encrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);
size_t CRYPTO_nistcts128_decrypt_block(const unsigned char *in,
unsigned char *out, size_t len,
const void *key,
unsigned char ivec[16],
block128_f block);
size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
size_t len, const void *key,
unsigned char ivec[16], cbc128_f cbc);
typedef struct gcm128_context GCM128_CONTEXT;
GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
size_t len);
int CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
size_t len);
int CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len);
int CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len);
int CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream);
int CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
const unsigned char *in, unsigned char *out,
size_t len, ctr128_f stream);
int CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx, const unsigned char *tag,
size_t len);
void CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);
typedef struct ccm128_context CCM128_CONTEXT;
void CRYPTO_ccm128_init(CCM128_CONTEXT *ctx,
unsigned int M, unsigned int L, void *key,
block128_f block);
int CRYPTO_ccm128_setiv(CCM128_CONTEXT *ctx, const unsigned char *nonce,
size_t nlen, size_t mlen);
void CRYPTO_ccm128_aad(CCM128_CONTEXT *ctx, const unsigned char *aad,
size_t alen);
int CRYPTO_ccm128_encrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len);
int CRYPTO_ccm128_decrypt(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len);
int CRYPTO_ccm128_encrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len,
ccm128_f stream);
int CRYPTO_ccm128_decrypt_ccm64(CCM128_CONTEXT *ctx, const unsigned char *inp,
unsigned char *out, size_t len,
ccm128_f stream);
size_t CRYPTO_ccm128_tag(CCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
typedef struct xts128_context XTS128_CONTEXT;
int CRYPTO_xts128_encrypt(const XTS128_CONTEXT *ctx,
const unsigned char iv[16],
const unsigned char *inp, unsigned char *out,
size_t len, int enc);
size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
unsigned char *out,
const unsigned char *in, size_t inlen,
block128_f block);
size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
unsigned char *out,
const unsigned char *in, size_t inlen,
block128_f block);
#ifdef __cplusplus
}
#endif
sdk/lib/crypto/openssl/crypto/modes/modes_lcl.h
+143
View File
@@ -0,0 +1,143 @@
/* ====================================================================
* Copyright (c) 2010 The OpenSSL Project. All rights reserved.
*
* Redistribution and use is governed by OpenSSL license.
* ====================================================================
*/
#include <openssl/modes.h>
#if (defined(_WIN32) || defined(_WIN64)) && !defined(__MINGW32__)
typedef __int64 i64;
typedef unsigned __int64 u64;
# define U64(C) C##UI64
#elif defined(__arch64__)
typedef long i64;
typedef unsigned long u64;
# define U64(C) C##UL
#else
typedef long long i64;
typedef unsigned long long u64;
# define U64(C) C##ULL
#endif
typedef unsigned int u32;
typedef unsigned char u8;
#define STRICT_ALIGNMENT 1
#ifndef PEDANTIC
# if defined(__i386) || defined(__i386__) || \
defined(__x86_64) || defined(__x86_64__) || \
defined(_M_IX86) || defined(_M_AMD64) || defined(_M_X64) || \
defined(__aarch64__) || \
defined(__s390__) || defined(__s390x__)
# undef STRICT_ALIGNMENT
# endif
#endif
#if !defined(PEDANTIC) && !defined(OPENSSL_NO_ASM) && !defined(OPENSSL_NO_INLINE_ASM)
# if defined(__GNUC__) && __GNUC__>=2
# if defined(__x86_64) || defined(__x86_64__)
# define BSWAP8(x) ({ u64 ret_=(x); \
asm ("bswapq %0" \
: "+r"(ret_)); ret_; })
# define BSWAP4(x) ({ u32 ret_=(x); \
asm ("bswapl %0" \
: "+r"(ret_)); ret_; })
# elif (defined(__i386) || defined(__i386__)) && !defined(I386_ONLY)
# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \
asm ("bswapl %0; bswapl %1" \
: "+r"(hi_),"+r"(lo_)); \
(u64)hi_<<32|lo_; })
# define BSWAP4(x) ({ u32 ret_=(x); \
asm ("bswapl %0" \
: "+r"(ret_)); ret_; })
# elif defined(__aarch64__)
# define BSWAP8(x) ({ u64 ret_; \
asm ("rev %0,%1" \
: "=r"(ret_) : "r"(x)); ret_; })
# define BSWAP4(x) ({ u32 ret_; \
asm ("rev %w0,%w1" \
: "=r"(ret_) : "r"(x)); ret_; })
# elif (defined(__arm__) || defined(__arm)) && !defined(STRICT_ALIGNMENT)
# define BSWAP8(x) ({ u32 lo_=(u64)(x)>>32,hi_=(x); \
asm ("rev %0,%0; rev %1,%1" \
: "+r"(hi_),"+r"(lo_)); \
(u64)hi_<<32|lo_; })
# define BSWAP4(x) ({ u32 ret_; \
asm ("rev %0,%1" \
: "=r"(ret_) : "r"((u32)(x))); \
ret_; })
# endif
# elif defined(_MSC_VER)
# if _MSC_VER>=1300
# pragma intrinsic(_byteswap_uint64,_byteswap_ulong)
# define BSWAP8(x) _byteswap_uint64((u64)(x))
# define BSWAP4(x) _byteswap_ulong((u32)(x))
# elif defined(_M_IX86)
__inline u32 _bswap4(u32 val)
{
_asm mov eax, val _asm bswap eax}
# define BSWAP4(x) _bswap4(x)
# endif
# endif
#endif
#if defined(BSWAP4) && !defined(STRICT_ALIGNMENT)
# define GETU32(p) BSWAP4(*(const u32 *)(p))
# define PUTU32(p,v) *(u32 *)(p) = BSWAP4(v)
#else
# define GETU32(p) ((u32)(p)[0]<<24|(u32)(p)[1]<<16|(u32)(p)[2]<<8|(u32)(p)[3])
# define PUTU32(p,v) ((p)[0]=(u8)((v)>>24),(p)[1]=(u8)((v)>>16),(p)[2]=(u8)((v)>>8),(p)[3]=(u8)(v))
#endif
/*- GCM definitions */ typedef struct {
u64 hi, lo;
} u128;
#ifdef TABLE_BITS
# undef TABLE_BITS
#endif
/*
* Even though permitted values for TABLE_BITS are 8, 4 and 1, it should
* never be set to 8 [or 1]. For further information see gcm128.c.
*/
#define TABLE_BITS 4
struct gcm128_context {
/* Following 6 names follow names in GCM specification */
union {
u64 u[2];
u32 d[4];
u8 c[16];
size_t t[16 / sizeof(size_t)];
} Yi, EKi, EK0, len, Xi, H;
/*
* Relative position of Xi, H and pre-computed Htable is used in some
* assembler modules, i.e. don't change the order!
*/
#if TABLE_BITS==8
u128 Htable[256];
#else
u128 Htable[16];
void (*gmult) (u64 Xi[2], const u128 Htable[16]);
void (*ghash) (u64 Xi[2], const u128 Htable[16], const u8 *inp,
size_t len);
#endif
unsigned int mres, ares;
block128_f block;
void *key;
};
struct xts128_context {
void *key1, *key2;
block128_f block1, block2;
};
struct ccm128_context {
union {
u64 u[2];
u8 c[16];
} nonce, cmac;
u64 blocks;
block128_f block;
void *key;
};
sdk/lib/crypto/openssl/crypto/modes/wrap128.c
+138
View File
@@ -0,0 +1,138 @@
/* crypto/modes/wrap128.c */
/*
* Written by Dr Stephen N Henson (steve@openssl.org) for the OpenSSL
* project.
*/
/* ====================================================================
* Copyright (c) 2013 The OpenSSL Project. 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. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED 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 OpenSSL PROJECT OR
* ITS CONTRIBUTORS 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 "cryptlib.h"
#include <openssl/modes.h>
static const unsigned char default_iv[] = {
0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6, 0xA6,
};
/*
* Input size limit: lower than maximum of standards but far larger than
* anything that will be used in practice.
*/
#define CRYPTO128_WRAP_MAX (1UL << 31)
size_t CRYPTO_128_wrap(void *key, const unsigned char *iv,
unsigned char *out,
const unsigned char *in, size_t inlen,
block128_f block)
{
unsigned char *A, B[16], *R;
size_t i, j, t;
if ((inlen & 0x7) || (inlen < 8) || (inlen > CRYPTO128_WRAP_MAX))
return 0;
A = B;
t = 1;
memmove(out + 8, in, inlen);
if (!iv)
iv = default_iv;
memcpy(A, iv, 8);
for (j = 0; j < 6; j++) {
R = out + 8;
for (i = 0; i < inlen; i += 8, t++, R += 8) {
memcpy(B + 8, R, 8);
block(B, B, key);
A[7] ^= (unsigned char)(t & 0xff);
if (t > 0xff) {
A[6] ^= (unsigned char)((t >> 8) & 0xff);
A[5] ^= (unsigned char)((t >> 16) & 0xff);
A[4] ^= (unsigned char)((t >> 24) & 0xff);
}
memcpy(R, B + 8, 8);
}
}
memcpy(out, A, 8);
return inlen + 8;
}
size_t CRYPTO_128_unwrap(void *key, const unsigned char *iv,
unsigned char *out,
const unsigned char *in, size_t inlen,
block128_f block)
{
unsigned char *A, B[16], *R;
size_t i, j, t;
inlen -= 8;
if ((inlen & 0x7) || (inlen < 16) || (inlen > CRYPTO128_WRAP_MAX))
return 0;
A = B;
t = 6 * (inlen >> 3);
memcpy(A, in, 8);
memmove(out, in + 8, inlen);
for (j = 0; j < 6; j++) {
R = out + inlen - 8;
for (i = 0; i < inlen; i += 8, t--, R -= 8) {
A[7] ^= (unsigned char)(t & 0xff);
if (t > 0xff) {
A[6] ^= (unsigned char)((t >> 8) & 0xff);
A[5] ^= (unsigned char)((t >> 16) & 0xff);
A[4] ^= (unsigned char)((t >> 24) & 0xff);
}
memcpy(B + 8, R, 8);
block(B, B, key);
memcpy(R, B + 8, 8);
}
}
if (!iv)
iv = default_iv;
if (memcmp(A, iv, 8)) {
OPENSSL_cleanse(out, inlen);
return 0;
}
return inlen;
}