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https://github.com/darlinghq/darling-corecrypto.git
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feat: Implement basic DES
This commit is contained in:
parent
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705
src/ccdes.c
705
src/ccdes.c
@ -1,86 +1,677 @@
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/* Code adapted from */
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/* LibTomCrypt, modular cryptographic library -- Tom St Denis */
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/* SPDX-License-Identifier: Unlicense */
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#include <corecrypto/ccdes.h>
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#include <corecrypto/ccmode_factory.h>
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#include <corecrypto/cc_error.h>
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#include <stdio.h>
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#include <string.h>
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const struct ccmode_ecb *ccdes_ecb_decrypt_mode(void) {
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printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
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CCMODE_GCM_FACTORY(des, encrypt);
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CCMODE_GCM_FACTORY(des, decrypt);
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CCMODE_CBC_FACTORY(des, encrypt);
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CCMODE_CBC_FACTORY(des, decrypt);
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CCMODE_CFB_FACTORY(des, cfb, encrypt);
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CCMODE_CFB_FACTORY(des, cfb, decrypt);
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CCMODE_CFB_FACTORY(des, cfb8, encrypt);
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CCMODE_CFB_FACTORY(des, cfb8, decrypt);
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CCMODE_XTS_FACTORY(des, encrypt);
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CCMODE_XTS_FACTORY(des, decrypt);
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CCMODE_CCM_FACTORY(des, encrypt);
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CCMODE_CCM_FACTORY(des, decrypt);
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CCMODE_CTR_FACTORY(des);
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CCMODE_OFB_FACTORY(des);
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static int ccdes_ecb_init(const struct ccmode_ecb* info, ccecb_ctx* ctx, size_t key_size, const void* key);
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static int ccdes_ecb_encrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out);
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static int ccdes_ecb_decrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out);
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struct the_real_ccecb_ctx {
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uint32_t ek[32], dk[32];
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};
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const struct ccmode_ecb ccdes_ltc_ecb_encrypt_mode = {
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.block_size = 8,
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.size = sizeof(struct the_real_ccecb_ctx),
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.init = ccdes_ecb_init,
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.ecb = ccdes_ecb_encrypt,
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};
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const struct ccmode_ecb ccdes_ltc_ecb_decrypt_mode = {
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.block_size = 8,
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.size = sizeof(struct the_real_ccecb_ctx),
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.init = ccdes_ecb_init,
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.ecb = ccdes_ecb_decrypt,
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};
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const struct ccmode_ecb* ccdes_ecb_encrypt_mode(void) {
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return &ccdes_ltc_ecb_encrypt_mode;
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};
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const struct ccmode_ecb* ccdes_ecb_decrypt_mode(void) {
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return &ccdes_ltc_ecb_decrypt_mode;
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};
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#define EN0 0
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#define DE1 1
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#define STORE32H(x, y) \
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do { (y)[0] = (uint8_t)(((x)>>24)&255); (y)[1] = (uint8_t)(((x)>>16)&255); \
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(y)[2] = (uint8_t)(((x)>>8)&255); (y)[3] = (uint8_t)((x)&255); } while(0)
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#define LOAD32H(x, y) \
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do { x = ((uint32_t)((y)[0] & 255)<<24) | \
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((uint32_t)((y)[1] & 255)<<16) | \
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((uint32_t)((y)[2] & 255)<<8) | \
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((uint32_t)((y)[3] & 255)); } while(0)
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#define ROL(x, y) ( (((uint32_t)(x)<<(uint32_t)((y)&31)) | (((uint32_t)(x)&0xFFFFFFFFUL)>>(uint32_t)((32-((y)&31))&31))) & 0xFFFFFFFFUL)
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#define ROR(x, y) ( ((((uint32_t)(x)&0xFFFFFFFFUL)>>(uint32_t)((y)&31)) | ((uint32_t)(x)<<(uint32_t)((32-((y)&31))&31))) & 0xFFFFFFFFUL)
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#define ROLc(x, y) ( (((uint32_t)(x)<<(uint32_t)((y)&31)) | (((uint32_t)(x)&0xFFFFFFFFUL)>>(uint32_t)((32-((y)&31))&31))) & 0xFFFFFFFFUL)
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#define RORc(x, y) ( ((((uint32_t)(x)&0xFFFFFFFFUL)>>(uint32_t)((y)&31)) | ((uint32_t)(x)<<(uint32_t)((32-((y)&31))&31))) & 0xFFFFFFFFUL)
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static const uint8_t pc1[56] = {
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56, 48, 40, 32, 24, 16, 8, 0, 57, 49, 41, 33, 25, 17,
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9, 1, 58, 50, 42, 34, 26, 18, 10, 2, 59, 51, 43, 35,
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62, 54, 46, 38, 30, 22, 14, 6, 61, 53, 45, 37, 29, 21,
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13, 5, 60, 52, 44, 36, 28, 20, 12, 4, 27, 19, 11, 3
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};
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static const uint8_t totrot[16] = {
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1, 2, 4, 6,
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8, 10, 12, 14,
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15, 17, 19, 21,
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23, 25, 27, 28
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};
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static const uint8_t pc2[48] = {
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13, 16, 10, 23, 0, 4, 2, 27, 14, 5, 20, 9,
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22, 18, 11, 3, 25, 7, 15, 6, 26, 19, 12, 1,
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40, 51, 30, 36, 46, 54, 29, 39, 50, 44, 32, 47,
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43, 48, 38, 55, 33, 52, 45, 41, 49, 35, 28, 31
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};
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static const uint32_t SP1[64] =
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{
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0x01010400UL, 0x00000000UL, 0x00010000UL, 0x01010404UL,
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0x01010004UL, 0x00010404UL, 0x00000004UL, 0x00010000UL,
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0x00000400UL, 0x01010400UL, 0x01010404UL, 0x00000400UL,
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0x01000404UL, 0x01010004UL, 0x01000000UL, 0x00000004UL,
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0x00000404UL, 0x01000400UL, 0x01000400UL, 0x00010400UL,
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0x00010400UL, 0x01010000UL, 0x01010000UL, 0x01000404UL,
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0x00010004UL, 0x01000004UL, 0x01000004UL, 0x00010004UL,
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0x00000000UL, 0x00000404UL, 0x00010404UL, 0x01000000UL,
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0x00010000UL, 0x01010404UL, 0x00000004UL, 0x01010000UL,
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0x01010400UL, 0x01000000UL, 0x01000000UL, 0x00000400UL,
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0x01010004UL, 0x00010000UL, 0x00010400UL, 0x01000004UL,
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0x00000400UL, 0x00000004UL, 0x01000404UL, 0x00010404UL,
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0x01010404UL, 0x00010004UL, 0x01010000UL, 0x01000404UL,
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0x01000004UL, 0x00000404UL, 0x00010404UL, 0x01010400UL,
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0x00000404UL, 0x01000400UL, 0x01000400UL, 0x00000000UL,
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0x00010004UL, 0x00010400UL, 0x00000000UL, 0x01010004UL
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};
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static const uint32_t SP2[64] =
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{
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0x80108020UL, 0x80008000UL, 0x00008000UL, 0x00108020UL,
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0x00100000UL, 0x00000020UL, 0x80100020UL, 0x80008020UL,
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0x80000020UL, 0x80108020UL, 0x80108000UL, 0x80000000UL,
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0x80008000UL, 0x00100000UL, 0x00000020UL, 0x80100020UL,
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0x00108000UL, 0x00100020UL, 0x80008020UL, 0x00000000UL,
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0x80000000UL, 0x00008000UL, 0x00108020UL, 0x80100000UL,
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0x00100020UL, 0x80000020UL, 0x00000000UL, 0x00108000UL,
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0x00008020UL, 0x80108000UL, 0x80100000UL, 0x00008020UL,
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0x00000000UL, 0x00108020UL, 0x80100020UL, 0x00100000UL,
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0x80008020UL, 0x80100000UL, 0x80108000UL, 0x00008000UL,
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0x80100000UL, 0x80008000UL, 0x00000020UL, 0x80108020UL,
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0x00108020UL, 0x00000020UL, 0x00008000UL, 0x80000000UL,
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0x00008020UL, 0x80108000UL, 0x00100000UL, 0x80000020UL,
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0x00100020UL, 0x80008020UL, 0x80000020UL, 0x00100020UL,
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0x00108000UL, 0x00000000UL, 0x80008000UL, 0x00008020UL,
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0x80000000UL, 0x80100020UL, 0x80108020UL, 0x00108000UL
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};
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static const uint32_t SP3[64] =
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{
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0x00000208UL, 0x08020200UL, 0x00000000UL, 0x08020008UL,
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0x08000200UL, 0x00000000UL, 0x00020208UL, 0x08000200UL,
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0x00020008UL, 0x08000008UL, 0x08000008UL, 0x00020000UL,
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0x08020208UL, 0x00020008UL, 0x08020000UL, 0x00000208UL,
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0x08000000UL, 0x00000008UL, 0x08020200UL, 0x00000200UL,
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0x00020200UL, 0x08020000UL, 0x08020008UL, 0x00020208UL,
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0x08000208UL, 0x00020200UL, 0x00020000UL, 0x08000208UL,
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0x00000008UL, 0x08020208UL, 0x00000200UL, 0x08000000UL,
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0x08020200UL, 0x08000000UL, 0x00020008UL, 0x00000208UL,
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0x00020000UL, 0x08020200UL, 0x08000200UL, 0x00000000UL,
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0x00000200UL, 0x00020008UL, 0x08020208UL, 0x08000200UL,
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0x08000008UL, 0x00000200UL, 0x00000000UL, 0x08020008UL,
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0x08000208UL, 0x00020000UL, 0x08000000UL, 0x08020208UL,
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0x00000008UL, 0x00020208UL, 0x00020200UL, 0x08000008UL,
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0x08020000UL, 0x08000208UL, 0x00000208UL, 0x08020000UL,
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0x00020208UL, 0x00000008UL, 0x08020008UL, 0x00020200UL
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};
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static const uint32_t SP4[64] =
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{
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0x00802001UL, 0x00002081UL, 0x00002081UL, 0x00000080UL,
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0x00802080UL, 0x00800081UL, 0x00800001UL, 0x00002001UL,
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0x00000000UL, 0x00802000UL, 0x00802000UL, 0x00802081UL,
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0x00000081UL, 0x00000000UL, 0x00800080UL, 0x00800001UL,
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0x00000001UL, 0x00002000UL, 0x00800000UL, 0x00802001UL,
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0x00000080UL, 0x00800000UL, 0x00002001UL, 0x00002080UL,
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0x00800081UL, 0x00000001UL, 0x00002080UL, 0x00800080UL,
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0x00002000UL, 0x00802080UL, 0x00802081UL, 0x00000081UL,
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0x00800080UL, 0x00800001UL, 0x00802000UL, 0x00802081UL,
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0x00000081UL, 0x00000000UL, 0x00000000UL, 0x00802000UL,
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0x00002080UL, 0x00800080UL, 0x00800081UL, 0x00000001UL,
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0x00802001UL, 0x00002081UL, 0x00002081UL, 0x00000080UL,
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0x00802081UL, 0x00000081UL, 0x00000001UL, 0x00002000UL,
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0x00800001UL, 0x00002001UL, 0x00802080UL, 0x00800081UL,
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0x00002001UL, 0x00002080UL, 0x00800000UL, 0x00802001UL,
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0x00000080UL, 0x00800000UL, 0x00002000UL, 0x00802080UL
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};
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static const uint32_t SP5[64] =
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{
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0x00000100UL, 0x02080100UL, 0x02080000UL, 0x42000100UL,
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0x00080000UL, 0x00000100UL, 0x40000000UL, 0x02080000UL,
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0x40080100UL, 0x00080000UL, 0x02000100UL, 0x40080100UL,
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0x42000100UL, 0x42080000UL, 0x00080100UL, 0x40000000UL,
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0x02000000UL, 0x40080000UL, 0x40080000UL, 0x00000000UL,
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0x40000100UL, 0x42080100UL, 0x42080100UL, 0x02000100UL,
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0x42080000UL, 0x40000100UL, 0x00000000UL, 0x42000000UL,
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0x02080100UL, 0x02000000UL, 0x42000000UL, 0x00080100UL,
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0x00080000UL, 0x42000100UL, 0x00000100UL, 0x02000000UL,
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0x40000000UL, 0x02080000UL, 0x42000100UL, 0x40080100UL,
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0x02000100UL, 0x40000000UL, 0x42080000UL, 0x02080100UL,
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0x40080100UL, 0x00000100UL, 0x02000000UL, 0x42080000UL,
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0x42080100UL, 0x00080100UL, 0x42000000UL, 0x42080100UL,
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0x02080000UL, 0x00000000UL, 0x40080000UL, 0x42000000UL,
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0x00080100UL, 0x02000100UL, 0x40000100UL, 0x00080000UL,
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0x00000000UL, 0x40080000UL, 0x02080100UL, 0x40000100UL
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};
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static const uint32_t SP6[64] =
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{
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0x20000010UL, 0x20400000UL, 0x00004000UL, 0x20404010UL,
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0x20400000UL, 0x00000010UL, 0x20404010UL, 0x00400000UL,
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0x20004000UL, 0x00404010UL, 0x00400000UL, 0x20000010UL,
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0x00400010UL, 0x20004000UL, 0x20000000UL, 0x00004010UL,
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0x00000000UL, 0x00400010UL, 0x20004010UL, 0x00004000UL,
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0x00404000UL, 0x20004010UL, 0x00000010UL, 0x20400010UL,
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0x20400010UL, 0x00000000UL, 0x00404010UL, 0x20404000UL,
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0x00004010UL, 0x00404000UL, 0x20404000UL, 0x20000000UL,
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0x20004000UL, 0x00000010UL, 0x20400010UL, 0x00404000UL,
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0x20404010UL, 0x00400000UL, 0x00004010UL, 0x20000010UL,
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0x00400000UL, 0x20004000UL, 0x20000000UL, 0x00004010UL,
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0x20000010UL, 0x20404010UL, 0x00404000UL, 0x20400000UL,
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0x00404010UL, 0x20404000UL, 0x00000000UL, 0x20400010UL,
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0x00000010UL, 0x00004000UL, 0x20400000UL, 0x00404010UL,
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0x00004000UL, 0x00400010UL, 0x20004010UL, 0x00000000UL,
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0x20404000UL, 0x20000000UL, 0x00400010UL, 0x20004010UL
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};
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static const uint32_t SP7[64] =
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{
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0x00200000UL, 0x04200002UL, 0x04000802UL, 0x00000000UL,
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0x00000800UL, 0x04000802UL, 0x00200802UL, 0x04200800UL,
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0x04200802UL, 0x00200000UL, 0x00000000UL, 0x04000002UL,
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0x00000002UL, 0x04000000UL, 0x04200002UL, 0x00000802UL,
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0x04000800UL, 0x00200802UL, 0x00200002UL, 0x04000800UL,
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0x04000002UL, 0x04200000UL, 0x04200800UL, 0x00200002UL,
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0x04200000UL, 0x00000800UL, 0x00000802UL, 0x04200802UL,
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0x00200800UL, 0x00000002UL, 0x04000000UL, 0x00200800UL,
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0x04000000UL, 0x00200800UL, 0x00200000UL, 0x04000802UL,
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0x04000802UL, 0x04200002UL, 0x04200002UL, 0x00000002UL,
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0x00200002UL, 0x04000000UL, 0x04000800UL, 0x00200000UL,
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0x04200800UL, 0x00000802UL, 0x00200802UL, 0x04200800UL,
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0x00000802UL, 0x04000002UL, 0x04200802UL, 0x04200000UL,
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0x00200800UL, 0x00000000UL, 0x00000002UL, 0x04200802UL,
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0x00000000UL, 0x00200802UL, 0x04200000UL, 0x00000800UL,
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0x04000002UL, 0x04000800UL, 0x00000800UL, 0x00200002UL
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};
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static const uint32_t SP8[64] =
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{
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0x10001040UL, 0x00001000UL, 0x00040000UL, 0x10041040UL,
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0x10000000UL, 0x10001040UL, 0x00000040UL, 0x10000000UL,
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0x00040040UL, 0x10040000UL, 0x10041040UL, 0x00041000UL,
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0x10041000UL, 0x00041040UL, 0x00001000UL, 0x00000040UL,
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0x10040000UL, 0x10000040UL, 0x10001000UL, 0x00001040UL,
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0x00041000UL, 0x00040040UL, 0x10040040UL, 0x10041000UL,
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0x00001040UL, 0x00000000UL, 0x00000000UL, 0x10040040UL,
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0x10000040UL, 0x10001000UL, 0x00041040UL, 0x00040000UL,
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0x00041040UL, 0x00040000UL, 0x10041000UL, 0x00001000UL,
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0x00000040UL, 0x10040040UL, 0x00001000UL, 0x00041040UL,
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0x10001000UL, 0x00000040UL, 0x10000040UL, 0x10040000UL,
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0x10040040UL, 0x10000000UL, 0x00040000UL, 0x10001040UL,
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0x00000000UL, 0x10041040UL, 0x00040040UL, 0x10000040UL,
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0x10040000UL, 0x10001000UL, 0x10001040UL, 0x00000000UL,
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0x10041040UL, 0x00041000UL, 0x00041000UL, 0x00001040UL,
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0x00001040UL, 0x00040040UL, 0x10000000UL, 0x10041000UL
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};
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static const uint32_t bytebit[8] =
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{
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0200, 0100, 040, 020, 010, 04, 02, 01
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};
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static const uint32_t bigbyte[24] =
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{
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0x800000UL, 0x400000UL, 0x200000UL, 0x100000UL,
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0x80000UL, 0x40000UL, 0x20000UL, 0x10000UL,
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0x8000UL, 0x4000UL, 0x2000UL, 0x1000UL,
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0x800UL, 0x400UL, 0x200UL, 0x100UL,
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0x80UL, 0x40UL, 0x20UL, 0x10UL,
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0x8UL, 0x4UL, 0x2UL, 0x1L
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};
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CC_INLINE
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void cookey(const uint32_t *raw1, uint32_t *keyout) {
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uint32_t *cook;
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const uint32_t *raw0;
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uint32_t dough[32];
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int i;
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cook = dough;
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for(i=0; i < 16; i++, raw1++)
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{
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raw0 = raw1++;
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*cook = (*raw0 & 0x00fc0000L) << 6;
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*cook |= (*raw0 & 0x00000fc0L) << 10;
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*cook |= (*raw1 & 0x00fc0000L) >> 10;
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*cook++ |= (*raw1 & 0x00000fc0L) >> 6;
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*cook = (*raw0 & 0x0003f000L) << 12;
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*cook |= (*raw0 & 0x0000003fL) << 16;
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*cook |= (*raw1 & 0x0003f000L) >> 4;
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*cook++ |= (*raw1 & 0x0000003fL);
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}
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memcpy(keyout, dough, sizeof(dough));
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}
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const struct ccmode_ecb *ccdes_ecb_encrypt_mode(void) {
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printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
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CC_INLINE
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void deskey(const uint8_t *key, short edf, uint32_t *keyout) {
|
||||
uint32_t i, j, l, m, n, kn[32];
|
||||
uint8_t pc1m[56], pcr[56];
|
||||
|
||||
for (j=0; j < 56; j++) {
|
||||
l = (uint32_t)pc1[j];
|
||||
m = l & 7;
|
||||
pc1m[j] = (uint8_t)((key[l >> 3U] & bytebit[m]) == bytebit[m] ? 1 : 0);
|
||||
}
|
||||
|
||||
for (i=0; i < 16; i++) {
|
||||
if (edf == DE1) {
|
||||
m = (15 - i) << 1;
|
||||
} else {
|
||||
m = i << 1;
|
||||
}
|
||||
n = m + 1;
|
||||
kn[m] = kn[n] = 0L;
|
||||
for (j=0; j < 28; j++) {
|
||||
l = j + (uint32_t)totrot[i];
|
||||
if (l < 28) {
|
||||
pcr[j] = pc1m[l];
|
||||
} else {
|
||||
pcr[j] = pc1m[l - 28];
|
||||
}
|
||||
}
|
||||
for (/*j = 28*/; j < 56; j++) {
|
||||
l = j + (uint32_t)totrot[i];
|
||||
if (l < 56) {
|
||||
pcr[j] = pc1m[l];
|
||||
} else {
|
||||
pcr[j] = pc1m[l - 28];
|
||||
}
|
||||
}
|
||||
for (j=0; j < 24; j++) {
|
||||
if ((int)pcr[(int)pc2[j]] != 0) {
|
||||
kn[m] |= bigbyte[j];
|
||||
}
|
||||
if ((int)pcr[(int)pc2[j+24]] != 0) {
|
||||
kn[n] |= bigbyte[j];
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
cookey(kn, keyout);
|
||||
}
|
||||
|
||||
const struct ccmode_cbc *ccdes_cbc_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
CC_INLINE
|
||||
void desfunc(uint32_t *block, const uint32_t *keys) {
|
||||
uint32_t work, right, leftt;
|
||||
int cur_round;
|
||||
|
||||
leftt = block[0];
|
||||
right = block[1];
|
||||
|
||||
work = ((leftt >> 4) ^ right) & 0x0f0f0f0fL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 4);
|
||||
|
||||
work = ((leftt >> 16) ^ right) & 0x0000ffffL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 16);
|
||||
|
||||
work = ((right >> 2) ^ leftt) & 0x33333333L;
|
||||
leftt ^= work;
|
||||
right ^= (work << 2);
|
||||
|
||||
work = ((right >> 8) ^ leftt) & 0x00ff00ffL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 8);
|
||||
|
||||
right = ROLc(right, 1);
|
||||
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||
|
||||
leftt ^= work;
|
||||
right ^= work;
|
||||
leftt = ROLc(leftt, 1);
|
||||
|
||||
for (cur_round = 0; cur_round < 8; cur_round++) {
|
||||
work = RORc(right, 4) ^ *keys++;
|
||||
leftt ^= SP7[work & 0x3fL]
|
||||
^ SP5[(work >> 8) & 0x3fL]
|
||||
^ SP3[(work >> 16) & 0x3fL]
|
||||
^ SP1[(work >> 24) & 0x3fL];
|
||||
work = right ^ *keys++;
|
||||
leftt ^= SP8[ work & 0x3fL]
|
||||
^ SP6[(work >> 8) & 0x3fL]
|
||||
^ SP4[(work >> 16) & 0x3fL]
|
||||
^ SP2[(work >> 24) & 0x3fL];
|
||||
|
||||
work = RORc(leftt, 4) ^ *keys++;
|
||||
right ^= SP7[ work & 0x3fL]
|
||||
^ SP5[(work >> 8) & 0x3fL]
|
||||
^ SP3[(work >> 16) & 0x3fL]
|
||||
^ SP1[(work >> 24) & 0x3fL];
|
||||
work = leftt ^ *keys++;
|
||||
right ^= SP8[ work & 0x3fL]
|
||||
^ SP6[(work >> 8) & 0x3fL]
|
||||
^ SP4[(work >> 16) & 0x3fL]
|
||||
^ SP2[(work >> 24) & 0x3fL];
|
||||
}
|
||||
|
||||
right = RORc(right, 1);
|
||||
work = (leftt ^ right) & 0xaaaaaaaaL;
|
||||
leftt ^= work;
|
||||
right ^= work;
|
||||
leftt = RORc(leftt, 1);
|
||||
work = ((leftt >> 8) ^ right) & 0x00ff00ffL;
|
||||
right ^= work;
|
||||
leftt ^= (work << 8);
|
||||
/* -- */
|
||||
work = ((leftt >> 2) ^ right) & 0x33333333L;
|
||||
right ^= work;
|
||||
leftt ^= (work << 2);
|
||||
work = ((right >> 16) ^ leftt) & 0x0000ffffL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 16);
|
||||
work = ((right >> 4) ^ leftt) & 0x0f0f0f0fL;
|
||||
leftt ^= work;
|
||||
right ^= (work << 4);
|
||||
|
||||
block[0] = right;
|
||||
block[1] = leftt;
|
||||
}
|
||||
|
||||
const struct ccmode_cbc *ccdes_cbc_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
static int ccdes_ecb_init(const struct ccmode_ecb* info, ccecb_ctx* ctx, size_t key_size, const void* key) {
|
||||
if (ctx == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_cfb *ccdes_cfb_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
if (key == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_cfb *ccdes_cfb_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
if (key_size != 8) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_cfb8 *ccdes_cfb8_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
struct the_real_ccecb_ctx* real_ctx = (struct the_real_ccecb_ctx*)ctx;
|
||||
|
||||
const struct ccmode_cfb8 *ccdes_cfb8_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
deskey((const uint8_t*)key, EN0, real_ctx->ek);
|
||||
deskey((const uint8_t*)key, DE1, real_ctx->dk);
|
||||
|
||||
const struct ccmode_ctr *ccdes_ctr_crypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
return CCERR_OK;
|
||||
};
|
||||
|
||||
const struct ccmode_ofb *ccdes_ofb_crypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
static int ccdes_ecb_encrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out) {
|
||||
if (ctx == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (in == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_ecb *ccdes3_ecb_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
if (out == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_ecb *ccdes3_ecb_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
struct the_real_ccecb_ctx* real_ctx = (struct the_real_ccecb_ctx*)ctx;
|
||||
|
||||
const struct ccmode_cbc *ccdes3_cbc_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
while (block_count > 0) {
|
||||
const uint8_t* pt = (const uint8_t*)in;
|
||||
uint8_t* ct = (uint8_t*)out;
|
||||
uint32_t work[2];
|
||||
|
||||
const struct ccmode_cbc *ccdes3_cbc_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
LOAD32H(work[0], pt+0);
|
||||
LOAD32H(work[1], pt+4);
|
||||
desfunc(work, real_ctx->ek);
|
||||
STORE32H(work[0],ct+0);
|
||||
STORE32H(work[1],ct+4);
|
||||
|
||||
const struct ccmode_cfb *ccdes3_cfb_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
in += 8;
|
||||
out += 8;
|
||||
--block_count;
|
||||
}
|
||||
|
||||
const struct ccmode_cfb *ccdes3_cfb_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
return CCERR_OK;
|
||||
};
|
||||
|
||||
const struct ccmode_cfb8 *ccdes3_cfb8_decrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
static int ccdes_ecb_decrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out) {
|
||||
if (ctx == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_cfb8 *ccdes3_cfb8_encrypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
if (in == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_ctr *ccdes3_ctr_crypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
if (out == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
const struct ccmode_ofb *ccdes3_ofb_crypt_mode(void) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
}
|
||||
struct the_real_ccecb_ctx* real_ctx = (struct the_real_ccecb_ctx*)ctx;
|
||||
|
||||
while (block_count > 0) {
|
||||
const uint8_t* ct = (const uint8_t*)in;
|
||||
uint8_t* pt = (uint8_t*)out;
|
||||
uint32_t work[2];
|
||||
|
||||
LOAD32H(work[0], ct+0);
|
||||
LOAD32H(work[1], ct+4);
|
||||
desfunc(work, real_ctx->dk);
|
||||
STORE32H(work[0],pt+0);
|
||||
STORE32H(work[1],pt+4);
|
||||
|
||||
in += 8;
|
||||
out += 8;
|
||||
--block_count;
|
||||
}
|
||||
|
||||
return CCERR_OK;
|
||||
};
|
||||
|
||||
CCMODE_GCM_FACTORY(des3, encrypt);
|
||||
CCMODE_GCM_FACTORY(des3, decrypt);
|
||||
|
||||
CCMODE_CBC_FACTORY(des3, encrypt);
|
||||
CCMODE_CBC_FACTORY(des3, decrypt);
|
||||
|
||||
CCMODE_CFB_FACTORY(des3, cfb, encrypt);
|
||||
CCMODE_CFB_FACTORY(des3, cfb, decrypt);
|
||||
|
||||
CCMODE_CFB_FACTORY(des3, cfb8, encrypt);
|
||||
CCMODE_CFB_FACTORY(des3, cfb8, decrypt);
|
||||
|
||||
CCMODE_XTS_FACTORY(des3, encrypt);
|
||||
CCMODE_XTS_FACTORY(des3, decrypt);
|
||||
|
||||
CCMODE_CCM_FACTORY(des3, encrypt);
|
||||
CCMODE_CCM_FACTORY(des3, decrypt);
|
||||
|
||||
CCMODE_CTR_FACTORY(des3);
|
||||
|
||||
CCMODE_OFB_FACTORY(des3);
|
||||
|
||||
static int ccdes3_ecb_init(const struct ccmode_ecb* info, ccecb_ctx* ctx, size_t key_size, const void* key);
|
||||
static int ccdes3_ecb_encrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out);
|
||||
static int ccdes3_ecb_decrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out);
|
||||
|
||||
struct the_real_ccecb_ctx_3 {
|
||||
uint32_t ek[3][32], dk[3][32];
|
||||
};
|
||||
|
||||
const struct ccmode_ecb ccdes3_ltc_ecb_encrypt_mode = {
|
||||
.block_size = 8,
|
||||
.size = sizeof(struct the_real_ccecb_ctx_3),
|
||||
.init = ccdes3_ecb_init,
|
||||
.ecb = ccdes3_ecb_encrypt,
|
||||
};
|
||||
|
||||
const struct ccmode_ecb ccdes3_ltc_ecb_decrypt_mode = {
|
||||
.block_size = 8,
|
||||
.size = sizeof(struct the_real_ccecb_ctx_3),
|
||||
.init = ccdes3_ecb_init,
|
||||
.ecb = ccdes3_ecb_decrypt,
|
||||
};
|
||||
|
||||
const struct ccmode_ecb* ccdes3_ecb_encrypt_mode(void) {
|
||||
return &ccdes3_ltc_ecb_encrypt_mode;
|
||||
};
|
||||
|
||||
const struct ccmode_ecb* ccdes3_ecb_decrypt_mode(void) {
|
||||
return &ccdes3_ltc_ecb_decrypt_mode;
|
||||
};
|
||||
|
||||
static int ccdes3_ecb_init(const struct ccmode_ecb* info, ccecb_ctx* ctx, size_t key_size, const void* key) {
|
||||
if (ctx == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (key == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (key_size != 16 && key_size != 24) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
struct the_real_ccecb_ctx_3* real_ctx = (struct the_real_ccecb_ctx_3*)ctx;
|
||||
|
||||
deskey((const uint8_t*)key, EN0, real_ctx->ek[0]);
|
||||
deskey((const uint8_t*)key+8, DE1, real_ctx->ek[1]);
|
||||
if (key_size == 24) {
|
||||
deskey(key+16, EN0, real_ctx->ek[2]);
|
||||
} else {
|
||||
/* two-key 3DES: K3=K1 */
|
||||
deskey((const uint8_t*)key, EN0, real_ctx->ek[2]);
|
||||
}
|
||||
|
||||
deskey((const uint8_t*)key, DE1, real_ctx->dk[2]);
|
||||
deskey((const uint8_t*)key+8, EN0, real_ctx->dk[1]);
|
||||
if (key_size == 24) {
|
||||
deskey((const uint8_t*)key+16, DE1, real_ctx->dk[0]);
|
||||
} else {
|
||||
/* two-key 3DES: K3=K1 */
|
||||
deskey((const uint8_t*)key, DE1, real_ctx->dk[0]);
|
||||
}
|
||||
|
||||
return CCERR_OK;
|
||||
};
|
||||
|
||||
static int ccdes3_ecb_encrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out) {
|
||||
if (ctx == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (in == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (out == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
struct the_real_ccecb_ctx_3* real_ctx = (struct the_real_ccecb_ctx_3*)ctx;
|
||||
|
||||
while (block_count > 0) {
|
||||
const uint8_t* pt = (const uint8_t*)in;
|
||||
uint8_t* ct = (uint8_t*)out;
|
||||
uint32_t work[2];
|
||||
|
||||
LOAD32H(work[0], pt+0);
|
||||
LOAD32H(work[1], pt+4);
|
||||
desfunc(work, real_ctx->ek[0]);
|
||||
desfunc(work, real_ctx->ek[1]);
|
||||
desfunc(work, real_ctx->ek[2]);
|
||||
STORE32H(work[0],ct+0);
|
||||
STORE32H(work[1],ct+4);
|
||||
|
||||
in += 8;
|
||||
out += 8;
|
||||
--block_count;
|
||||
}
|
||||
|
||||
return CCERR_OK;
|
||||
};
|
||||
|
||||
static int ccdes3_ecb_decrypt(const ccecb_ctx* ctx, size_t block_count, const void* in, void* out) {
|
||||
if (ctx == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (in == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
if (out == NULL) {
|
||||
return CCERR_PARAMETER;
|
||||
}
|
||||
|
||||
struct the_real_ccecb_ctx_3* real_ctx = (struct the_real_ccecb_ctx_3*)ctx;
|
||||
|
||||
while (block_count > 0) {
|
||||
const uint8_t* ct = (const uint8_t*)in;
|
||||
uint8_t* pt = (uint8_t*)out;
|
||||
uint32_t work[2];
|
||||
|
||||
LOAD32H(work[0], ct+0);
|
||||
LOAD32H(work[1], ct+4);
|
||||
desfunc(work, real_ctx->dk[0]);
|
||||
desfunc(work, real_ctx->dk[1]);
|
||||
desfunc(work, real_ctx->dk[2]);
|
||||
STORE32H(work[0],pt+0);
|
||||
STORE32H(work[1],pt+4);
|
||||
|
||||
in += 8;
|
||||
out += 8;
|
||||
--block_count;
|
||||
}
|
||||
|
||||
return CCERR_OK;
|
||||
};
|
||||
|
||||
int ccdes_key_is_weak(void *key, size_t length) {
|
||||
printf("DARLING CRYPTO STUB: %s\n", __PRETTY_FUNCTION__);
|
||||
|
Loading…
Reference in New Issue
Block a user