diff options
| author | MikalaiR <nikolay.romanovich@narod.ru> | 2016-02-22 12:33:26 +0000 |
|---|---|---|
| committer | MikalaiR <nikolay.romanovich@narod.ru> | 2016-02-22 12:33:26 +0000 |
| commit | c61985b0312f634913926bf8b9021ad6ccec8324 (patch) | |
| tree | b4a76b92dbed1b02c0bcb5dd8a07d5add3cd1e8a /plugins/Kuzne4ikCrypt/src | |
| parent | da9689e7e9605b06cfc516d1ae51264fd7f90768 (diff) | |
KuznechikCrypt: code optimization
git-svn-id: http://svn.miranda-ng.org/main/trunk@16322 1316c22d-e87f-b044-9b9b-93d7a3e3ba9c
Diffstat (limited to 'plugins/Kuzne4ikCrypt/src')
| -rw-r--r-- | plugins/Kuzne4ikCrypt/src/GOST/28147_14.c | 338 | ||||
| -rw-r--r-- | plugins/Kuzne4ikCrypt/src/GOST/28147_14.cpp | 252 | ||||
| -rw-r--r-- | plugins/Kuzne4ikCrypt/src/GOST/block_chipher.cpp (renamed from plugins/Kuzne4ikCrypt/src/GOST/block_chipher.c) | 0 |
3 files changed, 252 insertions, 338 deletions
diff --git a/plugins/Kuzne4ikCrypt/src/GOST/28147_14.c b/plugins/Kuzne4ikCrypt/src/GOST/28147_14.c deleted file mode 100644 index c440b7e853..0000000000 --- a/plugins/Kuzne4ikCrypt/src/GOST/28147_14.c +++ /dev/null @@ -1,338 +0,0 @@ -/** @file
- * @brief Реализация алгоритма "Кузнечик"
- *
- * @copyright InfoTeCS. All rights reserved.
- */
-
-#include <memory.h>
-
-#include "28147_14.h"
-#include "table.h"
-
-/** @brief Нелинейное биективное преобразование множества двоичных векторов. */
-static const unsigned char kPi[256] =
-{
- 252, 238, 221, 17, 207, 110, 49, 22, 251, 196, 250, 218, 35, 197, 4, 77,
- 233, 119, 240, 219, 147, 46, 153, 186, 23, 54, 241, 187, 20, 205, 95, 193,
- 249, 24, 101, 90, 226, 92, 239, 33, 129, 28, 60, 66, 139, 1, 142, 79,
- 5, 132, 2, 174, 227, 106, 143, 160, 6, 11, 237, 152, 127, 212, 211, 31,
- 235, 52, 44, 81, 234, 200, 72, 171, 242, 42, 104, 162, 253, 58, 206, 204,
- 181, 112, 14, 86, 8, 12, 118, 18, 191, 114, 19, 71, 156, 183, 93, 135,
- 21, 161, 150, 41, 16, 123, 154, 199, 243, 145, 120, 111, 157, 158, 178, 177,
- 50, 117, 25, 61, 255, 53, 138, 126, 109, 84, 198, 128, 195, 189, 13, 87,
- 223, 245, 36, 169, 62, 168, 67, 201, 215, 121, 214, 246, 124, 34, 185, 3,
- 224, 15, 236, 222, 122, 148, 176, 188, 220, 232, 40, 80, 78, 51, 10, 74,
- 167, 151, 96, 115, 30, 0, 98, 68, 26, 184, 56, 130, 100, 159, 38, 65,
- 173, 69, 70, 146, 39, 94, 85, 47, 140, 163, 165, 125, 105, 213, 149, 59,
- 7, 88, 179, 64, 134, 172, 29, 247, 48, 55, 107, 228, 136, 217, 231, 137,
- 225, 27, 131, 73, 76, 63, 248, 254, 141, 83, 170, 144, 202, 216, 133, 97,
- 32, 113, 103, 164, 45, 43, 9, 91, 203, 155, 37, 208, 190, 229, 108, 82,
- 89, 166, 116, 210, 230, 244, 180, 192, 209, 102, 175, 194, 57, 75, 99, 182
-};
-
-/** @brief Обратное нелинейное биективное преобразование множества двоичных векторов. */
-static const unsigned char kReversePi[256] =
-{
- 0xa5,0x2d,0x32,0x8f,0x0e,0x30,0x38,0xc0,0x54,0xe6,0x9e,0x39,0x55,0x7e,0x52,0x91,
- 0x64,0x03,0x57,0x5a,0x1c,0x60,0x07,0x18,0x21,0x72,0xa8,0xd1,0x29,0xc6,0xa4,0x3f,
- 0xe0,0x27,0x8d,0x0c,0x82,0xea,0xae,0xb4,0x9a,0x63,0x49,0xe5,0x42,0xe4,0x15,0xb7,
- 0xc8,0x06,0x70,0x9d,0x41,0x75,0x19,0xc9,0xaa,0xfc,0x4d,0xbf,0x2a,0x73,0x84,0xd5,
- 0xc3,0xaf,0x2b,0x86,0xa7,0xb1,0xb2,0x5b,0x46,0xd3,0x9f,0xfd,0xd4,0x0f,0x9c,0x2f,
- 0x9b,0x43,0xef,0xd9,0x79,0xb6,0x53,0x7f,0xc1,0xf0,0x23,0xe7,0x25,0x5e,0xb5,0x1e,
- 0xa2,0xdf,0xa6,0xfe,0xac,0x22,0xf9,0xe2,0x4a,0xbc,0x35,0xca,0xee,0x78,0x05,0x6b,
- 0x51,0xe1,0x59,0xa3,0xf2,0x71,0x56,0x11,0x6a,0x89,0x94,0x65,0x8c,0xbb,0x77,0x3c,
- 0x7b,0x28,0xab,0xd2,0x31,0xde,0xc4,0x5f,0xcc,0xcf,0x76,0x2c,0xb8,0xd8,0x2e,0x36,
- 0xdb,0x69,0xb3,0x14,0x95,0xbe,0x62,0xa1,0x3b,0x16,0x66,0xe9,0x5c,0x6c,0x6d,0xad,
- 0x37,0x61,0x4b,0xb9,0xe3,0xba,0xf1,0xa0,0x85,0x83,0xda,0x47,0xc5,0xb0,0x33,0xfa,
- 0x96,0x6f,0x6e,0xc2,0xf6,0x50,0xff,0x5d,0xa9,0x8e,0x17,0x1b,0x97,0x7d,0xec,0x58,
- 0xf7,0x1f,0xfb,0x7c,0x09,0x0d,0x7a,0x67,0x45,0x87,0xdc,0xe8,0x4f,0x1d,0x4e,0x04,
- 0xeb,0xf8,0xf3,0x3e,0x3d,0xbd,0x8a,0x88,0xdd,0xcd,0x0b,0x13,0x98,0x02,0x93,0x80,
- 0x90,0xd0,0x24,0x34,0xcb,0xed,0xf4,0xce,0x99,0x10,0x44,0x40,0x92,0x3a,0x01,0x26,
- 0x12,0x1a,0x48,0x68,0xf5,0x81,0x8b,0xc7,0xd6,0x20,0x0a,0x08,0x00,0x4c,0xd7,0x74
-};
-
-/** @brief Коэффициенты умножения в преобразовании l */
-static const unsigned char kB[16] = {148, 32, 133, 16, 194, 192, 1, 251, 1, 192, 194, 16, 133, 32, 148, 1};
-
-int funcX(unsigned char* a, unsigned char* b, unsigned char* outdata)
-{
- unsigned int i;
-
- if(!a || !b || !outdata)
- {
- return -1;
- }
-
- for(i = 0; i < 16; ++i)
- {
- outdata[i] = a[i] ^ b[i];
- }
-
- return 0;
-}
-
-int funcS(unsigned char* indata, unsigned char* outdata)
-{
- size_t i = 0;
-
- if(!indata || !outdata)
- {
- return -1;
- }
-
- for(i = 0; i < 16; ++i)
- {
- outdata[i] = kPi[indata[i]];
- }
-
- return 0;
-}
-
-int funcReverseS(unsigned char* indata, unsigned char* outdata)
-{
- unsigned int i;
-
- if(!indata || !outdata)
- {
- return -1;
- }
-
- for(i = 0; i < 16; ++i)
- outdata[i] = kReversePi[indata[i]];
-
- return 0;
-}
-
-int funcR(unsigned char* indata, unsigned char* outdata)
-{
- size_t i;
- unsigned char sum = 0;
-
- if(!indata || !outdata)
- {
- return -1;
- }
-
- for(i = 0; i < 16; ++i)
- {
- sum ^= multTable[indata[i]*256 + kB[i]];
- }
-
- outdata[0] = sum;
- memcpy(outdata+1, indata, 15);
-
- return 0;
-}
-
-int funcReverseR(unsigned char* indata, unsigned char* outdata)
-{
- unsigned char tmp[16];
- unsigned char sum = 0;
- unsigned int i;
-
- if(!indata || !outdata)
- {
- return -1;
- }
-
- memcpy(tmp, indata+1, 15);
- tmp[15] = indata[0];
-
- for(i = 0; i < 16; ++i)
- {
- sum ^= multTable[ tmp[i] * 256 + kB[i] ];
- }
-
- memcpy(outdata, tmp, 15);
- outdata[15] = sum;
-
- return 0;
-}
-
-int funcL(unsigned char* indata, unsigned char* outdata)
-{
- unsigned char tmp[16];
- int i = 0;
-
- if(!indata || !outdata)
- {
- return -1;
- }
-
- memcpy(tmp, indata, 16);
-
- for(i = 0; i < 16; ++i)
- {
- funcR(tmp, outdata);
- memcpy(tmp, outdata, 16);
- }
-
- return 0;
-}
-
-int funcReverseL(unsigned char* indata, unsigned char* outdata)
-{
- unsigned char tmp[16];
- unsigned int i;
-
- if(!indata || !outdata)
- {
- return -1;
- }
-
- memcpy(tmp, indata, 16);
-
- for(i = 0; i < 16; ++i)
- {
- funcReverseR(tmp, outdata);
- memcpy(tmp, outdata, 16);
- }
-
- return 0;
-}
-
-int funcLSX(unsigned char* a, unsigned char* b, unsigned char* outdata)
-{
- unsigned char temp1[16];
- unsigned char temp2[16];
-
- if(!a || !b || !outdata)
- {
- return -1;
- }
-
- funcX(a, b, temp1);
- funcS(temp1, temp2);
- funcL(temp2, outdata);
-
- return 0;
-}
-
-int funcReverseLSX(unsigned char* a, unsigned char* b, unsigned char* outdata)
-{
- unsigned char temp1[16];
- unsigned char temp2[16];
-
- if(!a || !b || !outdata)
- {
- return -1;
- }
-
- funcX(a, b, temp1);
- funcReverseL(temp1, temp2);
- funcReverseS(temp2, outdata);
-
- return 0;
-}
-
-int funcF(unsigned char* inputKey, unsigned char* inputKeySecond, unsigned char* iterationConst, unsigned char* outputKey, unsigned char* outputKeySecond)
-{
- unsigned char temp1[16];
- unsigned char temp2[16];
-
- if(!inputKey || !inputKeySecond || !iterationConst || !outputKey || !outputKeySecond)
- {
- return -1;
- }
-
- funcLSX(inputKey, iterationConst, temp1);
- funcX(temp1, inputKeySecond, temp2);
-
- memcpy(outputKeySecond, inputKey, 16);
- memcpy(outputKey, temp2, 16);
- return 0;
-}
-
-int funcC(unsigned char number, unsigned char* output)
-{
- unsigned char tempI[16];
- if (!output) return -1;
-
- memset( tempI, 0, 15 );
- tempI[15] = number;
- funcL(tempI, output);
-
- return 0;
-}
-
-int ExpandKey(unsigned char* masterKey, unsigned char* keys)
-{
- unsigned char C[16];
- unsigned char temp1[16];
- unsigned char temp2[16];
- unsigned char j, i;
-
-
- if( !masterKey || !keys)
- {
- return -1;
- }
-
- memcpy(keys, masterKey, 16);
- memcpy(keys + 16, masterKey + 16, 16);
-
- for(j = 0; j < 4; ++j)
- {
- memcpy(temp1, keys + j * 2 * 16, 16);
- memcpy(temp2, keys + (j * 2 + 1) * 16, 16);
-
- for( i = 1; i < 8; ++i )
- {
- funcC(j*8+i, C);
- funcF(temp1, temp2, C, temp1, temp2);
- }
-
- funcC(j*8+8, C);
- funcF(temp1, temp2, C, temp1, temp2);
-
- memcpy(keys + (j * 2 + 2) * 16, temp1, 16);
- memcpy(keys + (j * 2 + 3) * 16, temp2, 16);
- }
-
-
- return 0;
-}
-
-int Encrypt_14(unsigned char* plainText, unsigned char* chipherText, unsigned char* keys)
-{
- unsigned char xTemp[16];
- unsigned char yTemp[16];
- int i;
-
- if(!plainText || !chipherText || !keys)
- {
- return -1;
- }
-
- memcpy(xTemp, plainText, 16);
- for(i = 0; i < 9; ++i)
- {
- funcLSX(xTemp, keys + 16*i, yTemp);
- memcpy(xTemp, yTemp, 16);
- }
- funcX(yTemp, keys+9*16, chipherText);
-
- return 0;
-}
-
-int Decrypt_14(unsigned char* chipherText, unsigned char* plainText, unsigned char* keys)
-{
- unsigned char xTemp[16];
- unsigned char yTemp[16];
- int i;
-
- if(!plainText || !chipherText || !keys)
- {
- return -1;
- }
-
- memcpy(xTemp, chipherText, 16);
- for(i = 0; i < 9; ++i)
- {
- funcReverseLSX(xTemp, keys+(9-i)*16, yTemp);
- memcpy(xTemp, yTemp, 16);
- }
- funcX(yTemp, keys, plainText);
-
- return 0;
-}
\ No newline at end of file diff --git a/plugins/Kuzne4ikCrypt/src/GOST/28147_14.cpp b/plugins/Kuzne4ikCrypt/src/GOST/28147_14.cpp new file mode 100644 index 0000000000..60f664eda1 --- /dev/null +++ b/plugins/Kuzne4ikCrypt/src/GOST/28147_14.cpp @@ -0,0 +1,252 @@ +/** @file
+ * @brief Реализация алгоритма "Кузнечик"
+ *
+ * @copyright InfoTeCS. All rights reserved.
+ */
+
+#include <memory.h>
+
+#include "28147_14.h"
+#include "table.h"
+
+/** @brief Нелинейное биективное преобразование множества двоичных векторов. */
+static const unsigned char kPi[256] =
+{
+ 252, 238, 221, 17, 207, 110, 49, 22, 251, 196, 250, 218, 35, 197, 4, 77,
+ 233, 119, 240, 219, 147, 46, 153, 186, 23, 54, 241, 187, 20, 205, 95, 193,
+ 249, 24, 101, 90, 226, 92, 239, 33, 129, 28, 60, 66, 139, 1, 142, 79,
+ 5, 132, 2, 174, 227, 106, 143, 160, 6, 11, 237, 152, 127, 212, 211, 31,
+ 235, 52, 44, 81, 234, 200, 72, 171, 242, 42, 104, 162, 253, 58, 206, 204,
+ 181, 112, 14, 86, 8, 12, 118, 18, 191, 114, 19, 71, 156, 183, 93, 135,
+ 21, 161, 150, 41, 16, 123, 154, 199, 243, 145, 120, 111, 157, 158, 178, 177,
+ 50, 117, 25, 61, 255, 53, 138, 126, 109, 84, 198, 128, 195, 189, 13, 87,
+ 223, 245, 36, 169, 62, 168, 67, 201, 215, 121, 214, 246, 124, 34, 185, 3,
+ 224, 15, 236, 222, 122, 148, 176, 188, 220, 232, 40, 80, 78, 51, 10, 74,
+ 167, 151, 96, 115, 30, 0, 98, 68, 26, 184, 56, 130, 100, 159, 38, 65,
+ 173, 69, 70, 146, 39, 94, 85, 47, 140, 163, 165, 125, 105, 213, 149, 59,
+ 7, 88, 179, 64, 134, 172, 29, 247, 48, 55, 107, 228, 136, 217, 231, 137,
+ 225, 27, 131, 73, 76, 63, 248, 254, 141, 83, 170, 144, 202, 216, 133, 97,
+ 32, 113, 103, 164, 45, 43, 9, 91, 203, 155, 37, 208, 190, 229, 108, 82,
+ 89, 166, 116, 210, 230, 244, 180, 192, 209, 102, 175, 194, 57, 75, 99, 182
+};
+
+/** @brief Обратное нелинейное биективное преобразование множества двоичных векторов. */
+static const unsigned char kReversePi[256] =
+{
+ 0xa5,0x2d,0x32,0x8f,0x0e,0x30,0x38,0xc0,0x54,0xe6,0x9e,0x39,0x55,0x7e,0x52,0x91,
+ 0x64,0x03,0x57,0x5a,0x1c,0x60,0x07,0x18,0x21,0x72,0xa8,0xd1,0x29,0xc6,0xa4,0x3f,
+ 0xe0,0x27,0x8d,0x0c,0x82,0xea,0xae,0xb4,0x9a,0x63,0x49,0xe5,0x42,0xe4,0x15,0xb7,
+ 0xc8,0x06,0x70,0x9d,0x41,0x75,0x19,0xc9,0xaa,0xfc,0x4d,0xbf,0x2a,0x73,0x84,0xd5,
+ 0xc3,0xaf,0x2b,0x86,0xa7,0xb1,0xb2,0x5b,0x46,0xd3,0x9f,0xfd,0xd4,0x0f,0x9c,0x2f,
+ 0x9b,0x43,0xef,0xd9,0x79,0xb6,0x53,0x7f,0xc1,0xf0,0x23,0xe7,0x25,0x5e,0xb5,0x1e,
+ 0xa2,0xdf,0xa6,0xfe,0xac,0x22,0xf9,0xe2,0x4a,0xbc,0x35,0xca,0xee,0x78,0x05,0x6b,
+ 0x51,0xe1,0x59,0xa3,0xf2,0x71,0x56,0x11,0x6a,0x89,0x94,0x65,0x8c,0xbb,0x77,0x3c,
+ 0x7b,0x28,0xab,0xd2,0x31,0xde,0xc4,0x5f,0xcc,0xcf,0x76,0x2c,0xb8,0xd8,0x2e,0x36,
+ 0xdb,0x69,0xb3,0x14,0x95,0xbe,0x62,0xa1,0x3b,0x16,0x66,0xe9,0x5c,0x6c,0x6d,0xad,
+ 0x37,0x61,0x4b,0xb9,0xe3,0xba,0xf1,0xa0,0x85,0x83,0xda,0x47,0xc5,0xb0,0x33,0xfa,
+ 0x96,0x6f,0x6e,0xc2,0xf6,0x50,0xff,0x5d,0xa9,0x8e,0x17,0x1b,0x97,0x7d,0xec,0x58,
+ 0xf7,0x1f,0xfb,0x7c,0x09,0x0d,0x7a,0x67,0x45,0x87,0xdc,0xe8,0x4f,0x1d,0x4e,0x04,
+ 0xeb,0xf8,0xf3,0x3e,0x3d,0xbd,0x8a,0x88,0xdd,0xcd,0x0b,0x13,0x98,0x02,0x93,0x80,
+ 0x90,0xd0,0x24,0x34,0xcb,0xed,0xf4,0xce,0x99,0x10,0x44,0x40,0x92,0x3a,0x01,0x26,
+ 0x12,0x1a,0x48,0x68,0xf5,0x81,0x8b,0xc7,0xd6,0x20,0x0a,0x08,0x00,0x4c,0xd7,0x74
+};
+
+/** @brief Коэффициенты умножения в преобразовании l */
+static const unsigned char kB[16] = {148, 32, 133, 16, 194, 192, 1, 251, 1, 192, 194, 16, 133, 32, 148, 1};
+
+int funcX(unsigned char* a, unsigned char* b, unsigned char* outdata)
+{
+ for(size_t i = 0; i < 16; ++i)
+ outdata[i] = a[i] ^ b[i];
+
+ return 0;
+}
+
+int funcS(unsigned char* indata, unsigned char* outdata)
+{
+ for (size_t i = 0; i < 16; ++i)
+ outdata[i] = kPi[indata[i]];
+
+ return 0;
+}
+
+int funcReverseS(unsigned char* indata, unsigned char* outdata)
+{
+ for(size_t i = 0; i < 16; ++i)
+ outdata[i] = kReversePi[indata[i]];
+
+ return 0;
+}
+
+int funcR(unsigned char* indata, unsigned char* outdata)
+{
+ unsigned char sum = 0;
+
+ for (size_t i = 0; i < 16; ++i)
+ sum ^= multTable[indata[i]*256 + kB[i]];
+
+ outdata[0] = sum;
+ memcpy(outdata+1, indata, 15);
+
+ return 0;
+}
+
+int funcReverseR(unsigned char* indata, unsigned char* outdata)
+{
+ unsigned char tmp[16];
+ unsigned char sum = 0;
+
+ memcpy(tmp, indata+1, 15);
+ tmp[15] = indata[0];
+
+ for(size_t i = 0; i < 16; ++i)
+ {
+ sum ^= multTable[ tmp[i] * 256 + kB[i] ];
+ }
+
+ memcpy(outdata, tmp, 15);
+ outdata[15] = sum;
+
+ return 0;
+}
+
+int funcL(unsigned char* indata, unsigned char* outdata)
+{
+ unsigned char tmp[16];
+
+ memcpy(tmp, indata, 16);
+
+ for(size_t i = 0; i < 16; ++i)
+ {
+ funcR(tmp, outdata);
+ memcpy(tmp, outdata, 16);
+ }
+
+ return 0;
+}
+
+int funcReverseL(unsigned char* indata, unsigned char* outdata)
+{
+ unsigned char tmp[16];
+ unsigned int i;
+
+ memcpy(tmp, indata, 16);
+
+ for(i = 0; i < 16; ++i)
+ {
+ funcReverseR(tmp, outdata);
+ memcpy(tmp, outdata, 16);
+ }
+
+ return 0;
+}
+
+int funcLSX(unsigned char* a, unsigned char* b, unsigned char* outdata)
+{
+ unsigned char temp1[16];
+ unsigned char temp2[16];
+
+ funcX(a, b, temp1);
+ funcS(temp1, temp2);
+ funcL(temp2, outdata);
+
+ return 0;
+}
+
+int funcReverseLSX(unsigned char* a, unsigned char* b, unsigned char* outdata)
+{
+ unsigned char temp1[16];
+ unsigned char temp2[16];
+
+ funcX(a, b, temp1);
+ funcReverseL(temp1, temp2);
+ funcReverseS(temp2, outdata);
+
+ return 0;
+}
+
+int funcF(unsigned char* inputKey, unsigned char* inputKeySecond, unsigned char* iterationConst, unsigned char* outputKey, unsigned char* outputKeySecond)
+{
+ unsigned char temp1[16];
+ unsigned char temp2[16];
+
+ funcLSX(inputKey, iterationConst, temp1);
+ funcX(temp1, inputKeySecond, temp2);
+
+ memcpy(outputKeySecond, inputKey, 16);
+ memcpy(outputKey, temp2, 16);
+ return 0;
+}
+
+int funcC(unsigned char number, unsigned char* output)
+{
+ unsigned char tempI[16];
+ memset( tempI, 0, 15 );
+ tempI[15] = number;
+ funcL(tempI, output);
+ return 0;
+}
+
+int ExpandKey(unsigned char* masterKey, unsigned char* keys)
+{
+ unsigned char C[16];
+ unsigned char temp1[16];
+ unsigned char temp2[16];
+
+
+ memcpy(keys, masterKey, 16);
+ memcpy(keys + 16, masterKey + 16, 16);
+
+ for(unsigned char j = 0; j < 4; ++j)
+ {
+ memcpy(temp1, keys + j * 2 * 16, 16);
+ memcpy(temp2, keys + (j * 2 + 1) * 16, 16);
+
+ for (unsigned char i = 1; i < 8; ++i )
+ {
+ funcC(j*8+i, C);
+ funcF(temp1, temp2, C, temp1, temp2);
+ }
+
+ funcC(j*8+8, C);
+ funcF(temp1, temp2, C, temp1, temp2);
+
+ memcpy(keys + (j * 2 + 2) * 16, temp1, 16);
+ memcpy(keys + (j * 2 + 3) * 16, temp2, 16);
+ }
+
+
+ return 0;
+}
+
+int Encrypt_14(unsigned char* plainText, unsigned char* chipherText, unsigned char* keys)
+{
+ unsigned char xTemp[16];
+ unsigned char yTemp[16];
+
+ memcpy(xTemp, plainText, 16);
+ for(int i = 0; i < 9; ++i)
+ {
+ funcLSX(xTemp, keys + 16*i, yTemp);
+ memcpy(xTemp, yTemp, 16);
+ }
+ funcX(yTemp, keys+9*16, chipherText);
+
+ return 0;
+}
+
+int Decrypt_14(unsigned char* chipherText, unsigned char* plainText, unsigned char* keys)
+{
+ unsigned char xTemp[16];
+ unsigned char yTemp[16];
+
+ memcpy(xTemp, chipherText, 16);
+ for(int i = 0; i < 9; ++i)
+ {
+ funcReverseLSX(xTemp, keys+(9-i)*16, yTemp);
+ memcpy(xTemp, yTemp, 16);
+ }
+ funcX(yTemp, keys, plainText);
+
+ return 0;
+}
diff --git a/plugins/Kuzne4ikCrypt/src/GOST/block_chipher.c b/plugins/Kuzne4ikCrypt/src/GOST/block_chipher.cpp index f87f7493a4..f87f7493a4 100644 --- a/plugins/Kuzne4ikCrypt/src/GOST/block_chipher.c +++ b/plugins/Kuzne4ikCrypt/src/GOST/block_chipher.cpp |