+

+#include <Swiften/StringCodecs/Base64.h>

+#include <Swiften/Base/Algorithm.h>

+namespace {

+ template<typename TargetType, typename SourceType>

+ TargetType base64Encode(const SourceType& s) {

+ int i;

+ int len = s.size();

+ char tbl[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789+/=";

+ int a, b, c;

+

+ TargetType p;

+ p.resize((len+2)/3*4);

+ int at = 0;

+ for( i = 0; i < len; i += 3 ) {

+ a = ((unsigned char) (s[i]) & 3) << 4;

+ if(i + 1 < len) {

+ a += (unsigned char) (s[i + 1]) >> 4;

+ b = ((unsigned char) (s[i + 1]) & 0xF) << 2;

+ if(i + 2 < len) {

+ b += (unsigned char) (s[i + 2]) >> 6;

+ c = (unsigned char) (s[i + 2]) & 0x3F;

+ }

+ else

+ c = 64;

+ }

+ else {

+ b = c = 64;

+ p[at++] = tbl[(unsigned char) (s[i]) >> 2];

+ p[at++] = tbl[a];

+ p[at++] = tbl[b];

+ p[at++] = tbl[c];

+ }

+ return p;

+}

+

+std::string Base64::encode(const ByteArray &s) {

+ return base64Encode<std::string, ByteArray>(s);

+}

+

+SafeByteArray Base64::encode(const SafeByteArray &s) {

+ return base64Encode<SafeByteArray, SafeByteArray>(s);

+ erase(inputWithoutNewlines, '\n');

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/Base/SafeByteArray.h>

+ static SafeByteArray encode(const SafeByteArray& s);

+

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/Base/Algorithm.h>

+#include <cassert>

+

+namespace Swift {

+ namespace HMAC_Detail {

+ template<typename KeyType> struct KeyWrapper;

+ template<> struct KeyWrapper<ByteArray> {

+ ByteArray wrap(const ByteArray& hash) const {

+ return hash;

+ }

+ };

+ template<> struct KeyWrapper<SafeByteArray> {

+ SafeByteArray wrap(const ByteArray& hash) const {

+ return createSafeByteArray(hash);

+ }

+ };

+

+ template<typename Hash, typename KeyType, int BlockSize>

+ static ByteArray getHMAC(const KeyType& key, const ByteArray& data) {

+ Hash hash;

+

+ // Create the padded key

+ KeyType paddedKey(key.size() <= BlockSize ? key : KeyWrapper<KeyType>().wrap(hash(key)));

+ paddedKey.resize(BlockSize, 0x0);

+

+ // Create the first value

+ KeyType x(paddedKey);

+ for (unsigned int i = 0; i < x.size(); ++i) {

+ x[i] ^= 0x36;

+ }

+ append(x, data);

+

+ // Create the second value

+ KeyType y(paddedKey);

+ for (unsigned int i = 0; i < y.size(); ++i) {

+ y[i] ^= 0x5c;

+ }

+ append(y, hash(x));

+

+ return hash(y);

+ }

+ };

+

+ template<typename Hash, int BlockSize>

+ class HMAC {

+ private:

+

+ public:

+ ByteArray operator()(const ByteArray& key, const ByteArray& data) const {

+ return HMAC_Detail::getHMAC<Hash,ByteArray,BlockSize>(key, data);

+ }

+

+ ByteArray operator()(const SafeByteArray& key, const ByteArray& data) const {

+ return HMAC_Detail::getHMAC<Hash,SafeByteArray,BlockSize>(key, data);

+ }

+ };

+}

+#include <Swiften/StringCodecs/HMAC.h>

+#include <Swiften/StringCodecs/SHA1.h>

+namespace Swift {

+ typedef HMAC<SHA1, 64> HMAC_SHA1;

+/*

+ * Copyright (c) 2011 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+#include <Swiften/StringCodecs/HMAC.h>

+#include <Swiften/StringCodecs/SHA256.h>

+

+namespace Swift {

+ typedef HMAC<SHA256, 64> HMAC_SHA256;

+}

+#include <Swiften/StringCodecs/Hexify.h>

+#include <Swiften/Base/ByteArray.h>

+ for (unsigned int i = 0; i < data.size(); ++i) {

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/StringCodecs/MD5.h>

+#include <string.h>

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/Base/Platform.h>

+#ifdef SWIFTEN_LITTLE_ENDIAN

+#else

+ /* Define storage only for big-endian CPUs. */

+ md5_word_t X[16];

+namespace {

+ template<typename SourceType>

+ ByteArray getMD5Hash(const SourceType& data) {

+ ByteArray digest;

+ digest.resize(16);

+

+ md5_state_t state;

+ md5_init(&state);

+ md5_append(&state, reinterpret_cast<const md5_byte_t*>(vecptr(data)), data.size());

+ md5_finish(&state, reinterpret_cast<md5_byte_t*>(vecptr(digest)));

+

+ return digest;

+ }

+}

+ByteArray MD5::getHash(const ByteArray& data) {

+ return getMD5Hash(data);

+}

+ByteArray MD5::getHash(const SafeByteArray& data) {

+ return getMD5Hash(data);

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/Base/SafeByteArray.h>

+namespace Swift {

+ static ByteArray getHash(const SafeByteArray& data);

+#include <Swiften/Base/SafeByteArray.h>

+#include <Swiften/Base/Concat.h>

+ template<typename PRF>

+ static ByteArray encode(const SafeByteArray& password, const ByteArray& salt, int iterations) {

+ PRF prf;

+ ByteArray u = prf(password, concat(salt, createByteArray("\0\0\0\1", 4)));

+ ByteArray result(u);

+ int i = 1;

+ while (i < iterations) {

+ u = prf(password, u);

+ for (unsigned int j = 0; j < u.size(); ++j) {

+ result[j] ^= u[j];

+ }

+ ++i;

+ }

+ return result;

+ }

+#include <Swiften/StringCodecs/SHA1.h>

+

+#include <Swiften/Base/Platform.h>

+using namespace Swift;

+

+void SHA1::Transform(boost::uint32_t state[5], boost::uint8_t buffer[64])

+void SHA1::Init(SHA1::CTX* context)

+void SHA1::Update(SHA1::CTX* context, boost::uint8_t* data, unsigned int len)

+ Transform(context->state, context->buffer);

+ Transform(context->state, &data[i]);

+void SHA1::Final(boost::uint8_t digest[20], SHA1::CTX* context)

+ Update(context, (boost::uint8_t *)("\200"), 1);

+ Update(context, (boost::uint8_t *)("\0"), 1);

+ Update(context, finalcount, 8); /* Should cause a SHA1Transform() */

+ Transform(context->state, context->buffer);

+SHA1::SHA1() {

+ Init(&context);

+}

+

+SHA1& SHA1::update(const std::vector<unsigned char>& input) {

+ std::vector<unsigned char> inputCopy(input);

+ Update(&context, (boost::uint8_t*) vecptr(inputCopy), inputCopy.size());

+ return *this;

+}

+

+std::vector<unsigned char> SHA1::getHash() const {

+ std::vector<unsigned char> digest;

+ digest.resize(20);

+ CTX contextCopy(context);

+ Final((boost::uint8_t*) vecptr(digest), &contextCopy);

+ return digest;

+}

+

+template<typename Container>

+ByteArray SHA1::getHashInternal(const Container& input) {

+ CTX context;

+ Init(&context);

+

+ Container inputCopy(input);

+ Update(&context, (boost::uint8_t*) vecptr(inputCopy), inputCopy.size());

+

+ Final((boost::uint8_t*) vecptr(digest), &context);

+

+ByteArray SHA1::getHash(const ByteArray& input) {

+ return getHashInternal(input);

+}

+

+ByteArray SHA1::getHash(const SafeByteArray& input) {

+ return getHashInternal(input);

+}

+

+

+#include <vector>

+#include <boost/cstdint.hpp>

+

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/Base/SafeByteArray.h>

+ SHA1();

+

+ SHA1& update(const std::vector<unsigned char>& data);

+ std::vector<unsigned char> getHash() const;

+

+ /**

+ * Equivalent of:

+ * SHA1().update(data),getHash(), but slightly more efficient and

+ * convenient.

+ */

+ static ByteArray getHash(const SafeByteArray& data);

+

+ ByteArray operator()(const SafeByteArray& data) {

+ return getHash(data);

+ }

+

+ ByteArray operator()(const ByteArray& data) {

+ return getHash(data);

+ }

+

+ private:

+ typedef struct {

+ boost::uint32_t state[5];

+ boost::uint32_t count[2];

+ boost::uint8_t buffer[64];

+ } CTX;

+ static void Init(CTX* context);

+ static void Transform(boost::uint32_t state[5], boost::uint8_t buffer[64]);

+ static void Update(CTX* context, boost::uint8_t* data, unsigned int len);

+ static void Final(boost::uint8_t digest[20], CTX* context);

+

+ template<typename Container> static ByteArray getHashInternal(const Container& input);

+

+ private:

+ CTX context;

+/*

+ * Copyright (c) 2011 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#include <Swiften/StringCodecs/SHA256.h>

+

+#include <cassert>

+#include <algorithm>

+#include <string.h>

+

+#pragma GCC diagnostic ignored "-Wold-style-cast"

+

+using namespace Swift;

+

+// Copied & adapted from LibTomCrypt, by Tom St Denis, tomstdenis@gmail.com, http://libtom.org

+// Substituted some macros by the platform-independent (slower) variants

+

+#include <stdlib.h>

+

+#define CRYPT_OK 0

+#define CRYPT_INVALID_ARG -1

+#define LTC_ARGCHK assert

+

+#define ROR(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)

+#define RORc(x, y) ( ((((unsigned long)(x)&0xFFFFFFFFUL)>>(unsigned long)((y)&31)) | ((unsigned long)(x)<<(unsigned long)(32-((y)&31)))) & 0xFFFFFFFFUL)

+

+#define LOAD32H(x, y) \

+ { x = ((unsigned long)((y)[0] & 255)<<24) | \

+ ((unsigned long)((y)[1] & 255)<<16) | \

+ ((unsigned long)((y)[2] & 255)<<8) | \

+ ((unsigned long)((y)[3] & 255)); }

+

+#define STORE32H(x, y) \

+ { (y)[0] = (unsigned char)(((x)>>24)&255); (y)[1] = (unsigned char)(((x)>>16)&255); \

+ (y)[2] = (unsigned char)(((x)>>8)&255); (y)[3] = (unsigned char)((x)&255); }

+

+#define STORE64H(x, y) \

+ { (y)[0] = (unsigned char)(((x)>>56)&255); (y)[1] = (unsigned char)(((x)>>48)&255); \

+ (y)[2] = (unsigned char)(((x)>>40)&255); (y)[3] = (unsigned char)(((x)>>32)&255); \

+ (y)[4] = (unsigned char)(((x)>>24)&255); (y)[5] = (unsigned char)(((x)>>16)&255); \

+ (y)[6] = (unsigned char)(((x)>>8)&255); (y)[7] = (unsigned char)((x)&255); }

+

+/* a simple macro for making hash "process" functions */

+#define HASH_PROCESS(func_name, compress_name, state_var, block_size) \

+int func_name (State * md, const unsigned char *in, unsigned int inlen) \

+{ \

+ unsigned long n; \

+ int err; \

+ LTC_ARGCHK(md != NULL); \

+ LTC_ARGCHK(in != NULL || inlen == 0); \

+ if (md-> curlen > sizeof(md->buf)) { \

+ return CRYPT_INVALID_ARG; \

+ } \

+ while (inlen > 0) { \

+ if (md->curlen == 0 && inlen >= block_size) { \

+ if ((err = compress_name (md, (unsigned char *)in)) != CRYPT_OK) { \

+ return err; \

+ } \

+ md-> length += block_size * 8; \

+ in += block_size; \

+ inlen -= block_size; \

+ } else { \

+ n = std::min(inlen, (block_size - md-> curlen)); \

+ memcpy(md-> buf + md-> curlen, in, (size_t)n); \

+ md-> curlen += n; \

+ in += n; \

+ inlen -= n; \

+ if (md-> curlen == block_size) { \

+ if ((err = compress_name (md, md-> buf)) != CRYPT_OK) { \

+ return err; \

+ } \

+ md-> length += 8*block_size; \

+ md-> curlen = 0; \

+ } \

+ } \

+ } \

+ return CRYPT_OK; \

+}

+

+#ifdef LTC_SMALL_CODE

+/* the K array */

+static const boost::uint32_t K[64] = {

+ 0x428a2f98UL, 0x71374491UL, 0xb5c0fbcfUL, 0xe9b5dba5UL, 0x3956c25bUL,

+ 0x59f111f1UL, 0x923f82a4UL, 0xab1c5ed5UL, 0xd807aa98UL, 0x12835b01UL,

+ 0x243185beUL, 0x550c7dc3UL, 0x72be5d74UL, 0x80deb1feUL, 0x9bdc06a7UL,

+ 0xc19bf174UL, 0xe49b69c1UL, 0xefbe4786UL, 0x0fc19dc6UL, 0x240ca1ccUL,

+ 0x2de92c6fUL, 0x4a7484aaUL, 0x5cb0a9dcUL, 0x76f988daUL, 0x983e5152UL,

+ 0xa831c66dUL, 0xb00327c8UL, 0xbf597fc7UL, 0xc6e00bf3UL, 0xd5a79147UL,

+ 0x06ca6351UL, 0x14292967UL, 0x27b70a85UL, 0x2e1b2138UL, 0x4d2c6dfcUL,

+ 0x53380d13UL, 0x650a7354UL, 0x766a0abbUL, 0x81c2c92eUL, 0x92722c85UL,

+ 0xa2bfe8a1UL, 0xa81a664bUL, 0xc24b8b70UL, 0xc76c51a3UL, 0xd192e819UL,

+ 0xd6990624UL, 0xf40e3585UL, 0x106aa070UL, 0x19a4c116UL, 0x1e376c08UL,

+ 0x2748774cUL, 0x34b0bcb5UL, 0x391c0cb3UL, 0x4ed8aa4aUL, 0x5b9cca4fUL,

+ 0x682e6ff3UL, 0x748f82eeUL, 0x78a5636fUL, 0x84c87814UL, 0x8cc70208UL,

+ 0x90befffaUL, 0xa4506cebUL, 0xbef9a3f7UL, 0xc67178f2UL

+};

+#endif

+

+/* Various logical functions */

+#define Ch(x,y,z) (z ^ (x & (y ^ z)))

+#define Maj(x,y,z) (((x | y) & z) | (x & y))

+#define S(x, n) RORc((x),(n))

+#define R(x, n) (((x)&0xFFFFFFFFUL)>>(n))

+#define Sigma0(x) (S(x, 2) ^ S(x, 13) ^ S(x, 22))

+#define Sigma1(x) (S(x, 6) ^ S(x, 11) ^ S(x, 25))

+#define Gamma0(x) (S(x, 7) ^ S(x, 18) ^ R(x, 3))

+#define Gamma1(x) (S(x, 17) ^ S(x, 19) ^ R(x, 10))

+

+#ifdef LTC_CLEAN_STACK

+int SHA256::_compress(State * md, unsigned char *buf)

+#else

+int SHA256::compress(State * md, unsigned char *buf)

+#endif

+{

+ boost::uint32_t S[8], W[64], t0, t1;

+#ifdef LTC_SMALL_CODE

+ boost::uint32_t t;

+#endif

+ int i;

+

+ /* copy state into S */

+ for (i = 0; i < 8; i++) {

+ S[i] = md->state[i];

+ }

+

+ /* copy the state into 512-bits into W[0..15] */

+ for (i = 0; i < 16; i++) {

+ LOAD32H(W[i], buf + (4*i));

+ }

+

+ /* fill W[16..63] */

+ for (i = 16; i < 64; i++) {

+ W[i] = Gamma1(W[i - 2]) + W[i - 7] + Gamma0(W[i - 15]) + W[i - 16];

+ }

+

+ /* Compress */

+#ifdef LTC_SMALL_CODE

+#define RND(a,b,c,d,e,f,g,h,i) \

+ t0 = h + Sigma1(e) + Ch(e, f, g) + K[i] + W[i]; \

+ t1 = Sigma0(a) + Maj(a, b, c); \

+ d += t0; \

+ h = t0 + t1;

+

+ for (i = 0; i < 64; ++i) {

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],i);

+ t = S[7]; S[7] = S[6]; S[6] = S[5]; S[5] = S[4];

+ S[4] = S[3]; S[3] = S[2]; S[2] = S[1]; S[1] = S[0]; S[0] = t;

+ }

+#else

+#define RND(a,b,c,d,e,f,g,h,i,ki) \

+ t0 = h + Sigma1(e) + Ch(e, f, g) + ki + W[i]; \

+ t1 = Sigma0(a) + Maj(a, b, c); \

+ d += t0; \

+ h = t0 + t1;

+

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],0,0x428a2f98);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],1,0x71374491);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],2,0xb5c0fbcf);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],3,0xe9b5dba5);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],4,0x3956c25b);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],5,0x59f111f1);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],6,0x923f82a4);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],7,0xab1c5ed5);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],8,0xd807aa98);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],9,0x12835b01);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],10,0x243185be);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],11,0x550c7dc3);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],12,0x72be5d74);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],13,0x80deb1fe);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],14,0x9bdc06a7);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],15,0xc19bf174);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],16,0xe49b69c1);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],17,0xefbe4786);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],18,0x0fc19dc6);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],19,0x240ca1cc);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],20,0x2de92c6f);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],21,0x4a7484aa);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],22,0x5cb0a9dc);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],23,0x76f988da);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],24,0x983e5152);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],25,0xa831c66d);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],26,0xb00327c8);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],27,0xbf597fc7);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],28,0xc6e00bf3);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],29,0xd5a79147);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],30,0x06ca6351);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],31,0x14292967);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],32,0x27b70a85);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],33,0x2e1b2138);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],34,0x4d2c6dfc);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],35,0x53380d13);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],36,0x650a7354);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],37,0x766a0abb);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],38,0x81c2c92e);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],39,0x92722c85);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],40,0xa2bfe8a1);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],41,0xa81a664b);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],42,0xc24b8b70);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],43,0xc76c51a3);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],44,0xd192e819);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],45,0xd6990624);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],46,0xf40e3585);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],47,0x106aa070);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],48,0x19a4c116);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],49,0x1e376c08);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],50,0x2748774c);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],51,0x34b0bcb5);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],52,0x391c0cb3);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],53,0x4ed8aa4a);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],54,0x5b9cca4f);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],55,0x682e6ff3);

+ RND(S[0],S[1],S[2],S[3],S[4],S[5],S[6],S[7],56,0x748f82ee);

+ RND(S[7],S[0],S[1],S[2],S[3],S[4],S[5],S[6],57,0x78a5636f);

+ RND(S[6],S[7],S[0],S[1],S[2],S[3],S[4],S[5],58,0x84c87814);

+ RND(S[5],S[6],S[7],S[0],S[1],S[2],S[3],S[4],59,0x8cc70208);

+ RND(S[4],S[5],S[6],S[7],S[0],S[1],S[2],S[3],60,0x90befffa);

+ RND(S[3],S[4],S[5],S[6],S[7],S[0],S[1],S[2],61,0xa4506ceb);

+ RND(S[2],S[3],S[4],S[5],S[6],S[7],S[0],S[1],62,0xbef9a3f7);

+ RND(S[1],S[2],S[3],S[4],S[5],S[6],S[7],S[0],63,0xc67178f2);

+

+#undef RND

+

+#endif

+

+ /* feedback */

+ for (i = 0; i < 8; i++) {

+ md->state[i] = md->state[i] + S[i];

+ }

+ return CRYPT_OK;

+}

+

+#ifdef LTC_CLEAN_STACK

+int SHA256::compress(State * md, unsigned char *buf)

+{

+ int err;

+ err = SHA256::_compress(md, buf);

+ burn_stack(sizeof(boost::uint32_t) * 74);

+ return err;

+}

+#endif

+

+/**

+ Initialize the hash state

+ @param md The hash state you wish to initialize

+ @return CRYPT_OK if successful

+*/

+int SHA256::init(State * md)

+{

+ LTC_ARGCHK(md != NULL);

+

+ md->curlen = 0;

+ md->length = 0;

+ md->state[0] = 0x6A09E667UL;

+ md->state[1] = 0xBB67AE85UL;

+ md->state[2] = 0x3C6EF372UL;

+ md->state[3] = 0xA54FF53AUL;

+ md->state[4] = 0x510E527FUL;

+ md->state[5] = 0x9B05688CUL;

+ md->state[6] = 0x1F83D9ABUL;

+ md->state[7] = 0x5BE0CD19UL;

+ return CRYPT_OK;

+}

+

+/**

+ Process a block of memory though the hash

+ @param md The hash state

+ @param in The data to hash

+ @param inlen The length of the data (octets)

+ @return CRYPT_OK if successful

+*/

+HASH_PROCESS(SHA256::process, SHA256::compress, sha256, 64)

+

+/**

+ Terminate the hash to get the digest

+ @param md The hash state

+ @param out [out] The destination of the hash (32 bytes)

+ @return CRYPT_OK if successful

+*/

+int SHA256::done(State * md, unsigned char *out)

+{

+ int i;

+

+ LTC_ARGCHK(md != NULL);

+ LTC_ARGCHK(out != NULL);

+

+ if (md->curlen >= sizeof(md->buf)) {

+ return CRYPT_INVALID_ARG;

+ }

+

+

+ /* increase the length of the message */

+ md->length += md->curlen * 8;

+

+ /* append the '1' bit */

+ md->buf[md->curlen++] = (unsigned char)0x80;

+

+ /* if the length is currently above 56 bytes we append zeros

+ * then compress. Then we can fall back to padding zeros and length

+ * encoding like normal.

+ */

+ if (md->curlen > 56) {

+ while (md->curlen < 64) {

+ md->buf[md->curlen++] = (unsigned char)0;

+ }

+ SHA256::compress(md, md->buf);

+ md->curlen = 0;

+ }

+

+ /* pad upto 56 bytes of zeroes */

+ while (md->curlen < 56) {

+ md->buf[md->curlen++] = (unsigned char)0;

+ }

+

+ /* store length */

+ STORE64H(md->length, md->buf+56);

+ SHA256::compress(md, md->buf);

+

+ /* copy output */

+ for (i = 0; i < 8; i++) {

+ STORE32H(md->state[i], out+(4*i));

+ }

+#ifdef LTC_CLEAN_STACK

+ zeromem(md, sizeof(State));

+#endif

+ return CRYPT_OK;

+}

+

+// End copied code

+

+namespace Swift {

+

+SHA256::SHA256() {

+ init(&state);

+}

+

+SHA256& SHA256::update(const std::vector<unsigned char>& input) {

+ std::vector<unsigned char> inputCopy(input);

+ process(&state, (boost::uint8_t*) vecptr(inputCopy), inputCopy.size());

+ return *this;

+}

+

+std::vector<unsigned char> SHA256::getHash() const {

+ std::vector<unsigned char> digest;

+ digest.resize(256/8);

+ State contextCopy(state);

+ done(&contextCopy, (boost::uint8_t*) vecptr(digest));

+ return digest;

+}

+

+template<typename Container>

+ByteArray SHA256::getHashInternal(const Container& input) {

+ State context;

+ init(&context);

+

+ Container inputCopy(input);

+ process(&context, (boost::uint8_t*) vecptr(inputCopy), inputCopy.size());

+

+ ByteArray digest;

+ digest.resize(256/8);

+ done(&context, (boost::uint8_t*) vecptr(digest));

+

+ return digest;

+}

+

+ByteArray SHA256::getHash(const ByteArray& input) {

+ return getHashInternal(input);

+}

+

+ByteArray SHA256::getHash(const SafeByteArray& input) {

+ return getHashInternal(input);

+}

+

+}

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#pragma once

+

+#include <vector>

+#include <boost/cstdint.hpp>

+

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/Base/SafeByteArray.h>

+

+namespace Swift {

+ class SHA256 {

+ public:

+ SHA256();

+

+ SHA256& update(const std::vector<unsigned char>& data);

+ std::vector<unsigned char> getHash() const;

+

+ /**

+ * Equivalent of:

+ * SHA256().update(data),getHash(), but slightly more efficient and

+ * convenient.

+ */

+ static ByteArray getHash(const ByteArray& data);

+ static ByteArray getHash(const SafeByteArray& data);

+

+ ByteArray operator()(const SafeByteArray& data) {

+ return getHash(data);

+ }

+

+ ByteArray operator()(const ByteArray& data) {

+ return getHash(data);

+ }

+

+ private:

+ struct State {

+ boost::uint64_t length;

+ boost::uint32_t state[8], curlen;

+ unsigned char buf[64];

+ };

+

+ static int init(State *md);

+ static int process(State * md, const unsigned char *in, unsigned int inlen);

+ static int compress(State *md, unsigned char *buf);

+ static int done(State * md, unsigned char *out);

+

+ template<typename Container> static ByteArray getHashInternal(const Container& input);

+

+ private:

+ State state;

+ };

+}

+#include <Swiften/Base/ByteArray.h>

+#include <QA/Checker/IO.h>

+#include <Swiften/StringCodecs/Base64.h>

+ std::string result(Base64::encode(createByteArray("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890")));

+ std::string result(Base64::encode(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz1234567890"), result);

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#include <Swiften/Base/ByteArray.h>

+#include <QA/Checker/IO.h>

+

+#include <cppunit/extensions/HelperMacros.h>

+#include <cppunit/extensions/TestFactoryRegistry.h>

+

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/StringCodecs/HMAC_SHA1.h>

+#include <Swiften/StringCodecs/HMAC_SHA256.h>

+

+using namespace Swift;

+

+class HMACTest : public CppUnit::TestFixture {

+ CPPUNIT_TEST_SUITE(HMACTest);

+ CPPUNIT_TEST(testGetResult);

+ CPPUNIT_TEST(testGetResult_KeyLongerThanBlockSize);

+ CPPUNIT_TEST(testGetResult_RFC4231_1);

+ CPPUNIT_TEST(testGetResult_RFC4231_7);

+ CPPUNIT_TEST_SUITE_END();

+

+ public:

+ void testGetResult() {

+ ByteArray result(HMAC_SHA1()(createSafeByteArray("foo"), createByteArray("foobar")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xa4\xee\xba\x8e\x63\x3d\x77\x88\x69\xf5\x68\xd0\x5a\x1b\x3d\xc7\x2b\xfd\x4\xdd"), result);

+ }

+

+ void testGetResult_KeyLongerThanBlockSize() {

+ ByteArray result(HMAC_SHA1()(createSafeByteArray("---------|---------|---------|---------|---------|----------|---------|"), createByteArray("foobar")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xd6""n""\x8f""P|1""\xd3"",""\x6"" ""\xb9\xe3""gg""\x8e\xcf"" ]+""\xa"), result);

+ }

+

+ void testGetResult_RFC4231_1() {

+ ByteArray result(HMAC_SHA256()(createSafeByteArray("\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b\x0b", 20), createByteArray("Hi There")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xb0\x34\x4c\x61\xd8\xdb\x38\x53\x5c\xa8\xaf\xce\xaf\x0b\xf1\x2b\x88\x1d\xc2\x00\xc9\x83\x3d\xa7\x26\xe9\x37\x6c\x2e\x32\xcf\xf7", 32), result);

+ }

+

+ void testGetResult_RFC4231_7() {

+ ByteArray result(HMAC_SHA256()(createSafeByteArray("\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa\xaa", 131), createByteArray("This is a test using a larger than block-size key and a larger than block-size data. The key needs to be hashed before being used by the HMAC algorithm.")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x9b\x09\xff\xa7\x1b\x94\x2f\xcb\x27\x63\x5f\xbc\xd5\xb0\xe9\x44\xbf\xdc\x63\x64\x4f\x07\x13\x93\x8a\x7f\x51\x53\x5c\x3a\x35\xe2", 32), result);

+ }

+};

+

+CPPUNIT_TEST_SUITE_REGISTRATION(HMACTest);

+#include <Swiften/StringCodecs/Hexify.h>

+#include <Swiften/Base/ByteArray.h>

+ CPPUNIT_ASSERT_EQUAL(std::string("4206b23ca6b0a643d20d89b04ff58cf78b8096ed"), Hexify::hexify(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed")));

+#include <Swiften/Base/ByteArray.h>

+#include <QA/Checker/IO.h>

+#include <Swiften/StringCodecs/MD5.h>

+#include <Swiften/Base/ByteArray.h>

+ ByteArray result(MD5::getHash(createByteArray("")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xd4\x1d\x8c\xd9\x8f\x00\xb2\x04\xe9\x80\x09\x98\xec\xf8\x42\x7e", 16), result);

+ ByteArray result(MD5::getHash(createByteArray("ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xd1\x74\xab\x98\xd2\x77\xd9\xf5\xa5\x61\x1c\x2c\x9f\x41\x9d\x9f", 16), result);

+#include <Swiften/Base/ByteArray.h>

+#include <QA/Checker/IO.h>

+#include <Swiften/Base/ByteArray.h>

+#include <Swiften/StringCodecs/PBKDF2.h>

+#include <Swiften/StringCodecs/HMAC_SHA1.h>

+ ByteArray result(PBKDF2::encode<HMAC_SHA1 >(createSafeByteArray("password"), createByteArray("salt"), 1));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x0c\x60\xc8\x0f\x96\x1f\x0e\x71\xf3\xa9\xb5\x24\xaf\x60\x12\x06\x2f\xe0\x37\xa6"), result);

+ ByteArray result(PBKDF2::encode<HMAC_SHA1 >(createSafeByteArray("password"), createByteArray("salt"), 2));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xea\x6c\x1\x4d\xc7\x2d\x6f\x8c\xcd\x1e\xd9\x2a\xce\x1d\x41\xf0\xd8\xde\x89\x57"), result);

+ ByteArray result(PBKDF2::encode<HMAC_SHA1 >(createSafeByteArray("password"), createByteArray("salt"), 4096));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x4b\x00\x79\x1\xb7\x65\x48\x9a\xbe\xad\x49\xd9\x26\xf7\x21\xd0\x65\xa4\x29\xc1", 20), result);

+#include <Swiften/Base/ByteArray.h>

+#include <QA/Checker/IO.h>

+#include <Swiften/StringCodecs/SHA1.h>

+ CPPUNIT_TEST(testGetHash_TwoUpdates);

+ CPPUNIT_TEST(testGetHash_TwoGetHash);

+ CPPUNIT_TEST(testGetHash_InterleavedUpdate);

+ CPPUNIT_TEST(testGetHashStatic);

+ CPPUNIT_TEST(testGetHashStatic_Twice);

+ CPPUNIT_TEST(testGetHashStatic_NoData);

+ SHA1 sha;

+ sha.update(createByteArray("client/pc//Exodus 0.9.1<http://jabber.org/protocol/caps<http://jabber.org/protocol/disco#info<http://jabber.org/protocol/disco#items<http://jabber.org/protocol/muc<"));

+

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed"), sha.getHash());

+ }

+

+ void testGetHash_TwoUpdates() {

+ SHA1 sha;

+ sha.update(createByteArray("client/pc//Exodus 0.9.1<http://jabber.org/protocol/caps<"));

+ sha.update(createByteArray("http://jabber.org/protocol/disco#info<http://jabber.org/protocol/disco#items<http://jabber.org/protocol/muc<"));

+

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed"), sha.getHash());

+ }

+

+ void testGetHash_TwoGetHash() {

+ SHA1 sha;

+ sha.update(createByteArray("client/pc//Exodus 0.9.1<http://jabber.org/protocol/caps<http://jabber.org/protocol/disco#info<http://jabber.org/protocol/disco#items<http://jabber.org/protocol/muc<"));

+

+ sha.getHash();

+

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed"), sha.getHash());

+ }

+

+ void testGetHash_InterleavedUpdate() {

+ SHA1 sha;

+

+ sha.update(createByteArray("client/pc//Exodus 0.9.1<http://jabber.org/protocol/caps<"));

+ sha.getHash();

+ sha.update(createByteArray("http://jabber.org/protocol/disco#info<http://jabber.org/protocol/disco#items<http://jabber.org/protocol/muc<"));

+

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed"), sha.getHash());

+ }

+

+

+ void testGetHash_NoData() {

+ SHA1 sha;

+ sha.update(std::vector<unsigned char>());

+

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xda\x39\xa3\xee\x5e\x6b\x4b\x0d\x32\x55\xbf\xef\x95\x60\x18\x90\xaf\xd8\x07\x09"), sha.getHash());

+ void testGetHashStatic() {

+ ByteArray result(SHA1::getHash(createByteArray("client/pc//Exodus 0.9.1<http://jabber.org/protocol/caps<http://jabber.org/protocol/disco#info<http://jabber.org/protocol/disco#items<http://jabber.org/protocol/muc<")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed"), result);

+ }

+

+ void testGetHashStatic_Twice() {

+ ByteArray input(createByteArray("client/pc//Exodus 0.9.1<http://jabber.org/protocol/caps<http://jabber.org/protocol/disco#info<http://jabber.org/protocol/disco#items<http://jabber.org/protocol/muc<"));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x42\x06\xb2\x3c\xa6\xb0\xa6\x43\xd2\x0d\x89\xb0\x4f\xf5\x8c\xf7\x8b\x80\x96\xed"), result);

+ void testGetHashStatic_NoData() {

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xda\x39\xa3\xee\x5e\x6b\x4b\x0d\x32\x55\xbf\xef\x95\x60\x18\x90\xaf\xd8\x07\x09"), result);

+/*

+ * Copyright (c) 2010 Remko Tronçon

+ * Licensed under the GNU General Public License v3.

+ * See Documentation/Licenses/GPLv3.txt for more information.

+ */

+

+#include <Swiften/Base/ByteArray.h>

+#include <QA/Checker/IO.h>

+

+#include <cppunit/extensions/HelperMacros.h>

+#include <cppunit/extensions/TestFactoryRegistry.h>

+

+#include <Swiften/StringCodecs/SHA256.h>

+

+using namespace Swift;

+

+class SHA256Test : public CppUnit::TestFixture {

+ CPPUNIT_TEST_SUITE(SHA256Test);

+ CPPUNIT_TEST(testGetHashStatic_Empty);

+ CPPUNIT_TEST(testGetHashStatic_Small);

+ CPPUNIT_TEST(testGetHashStatic_Large);

+ CPPUNIT_TEST_SUITE_END();

+

+ public:

+ void testGetHashStatic_Empty() {

+ ByteArray result(SHA256::getHash(createByteArray("")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xe3\xb0\xc4" "B" "\x98\xfc\x1c\x14\x9a\xfb\xf4\xc8\x99" "o" "\xb9" "$'" "\xae" "A" "\xe4" "d" "\x9b\x93" "L" "\xa4\x95\x99\x1b" "xR" "\xb8" "U", 32), result);

+ }

+

+ void testGetHashStatic_Small() {

+ ByteArray result(SHA256::getHash(createByteArray("abc")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\xba\x78\x16\xbf\x8f\x01\xcf\xea\x41\x41\x40\xde\x5d\xae\x22\x23\xb0\x03\x61\xa3\x96\x17\x7a\x9c\xb4\x10\xff\x61\xf2\x00\x15\xad", 32), result);

+ }

+

+ void testGetHashStatic_Large() {

+ ByteArray result(SHA256::getHash(createByteArray("abcdbcdecdefdefgefghfghighijhijkijkljklmklmnlmnomnopnopq")));

+ CPPUNIT_ASSERT_EQUAL(createByteArray("\x24\x8d\x6a\x61\xd2\x06\x38\xb8\xe5\xc0\x26\x93\x0c\x3e\x60\x39\xa3\x3c\xe4\x59\x64\xff\x21\x67\xf6\xec\xed\xd4\x19\xdb\x06\xc1", 32), result);

+ }

+};

+

+CPPUNIT_TEST_SUITE_REGISTRATION(SHA256Test);