cryptography for developers PHẦN 9 docx

... char *in, 094 unsigned inlen, 095 unsigned char *out, 096 encauth_stream *stream) 097 { 098 int x, err; 099 unsigned long taglen; 100 101 /* increment counter */ 102 for (x = NONCELEN-1; x >= ... performance loss due to actually performing the loop (e.g., branching, decrementing counters, etc.). Performance BigNum Libraries Fortunately, for most developers there are a score of...

Ngày tải lên: 12/08/2014, 16:20

... Upgrading, Maintaining 28_04859X ch 19. qxp 7/20/06 10:37 PM Page 310 298 Part V: Sharing Access and Information 26_04859X ch18.qxp 7/20/06 10:40 PM Page 298 Chapter 19 When Good Mac Laptops Go Bad In ... a simple backup. 3 29 Chapter 21: Tackling Housekeeping 30_04859X ch21.qxp 7/20/06 10:38 PM Page 3 29 Video controllers For armchair directors, specialized USB digital video contro...

Ngày tải lên: 09/08/2014, 04:22

... 0xdfdfdfdfUL, 144 0x8c8c8c8cUL, 0xa1a1a1a1UL, 0x 898 9 898 9UL, 0x0d0d0d0dUL, 145 0xbfbfbfbfUL, 0xe6e6e6e6UL, 0x42424242UL, 0x68686868UL, 146 0x41414141UL, 0x 999 999 99UL, 0x2d2d2d2dUL, 0x0f0f0f0fUL, 147 0xb0b0b0b0UL, ... %r10 838 andl $4 294 967 295 , %r10d 8 39 xorq TE0(,%rax,8), %r10 840 movq %rcx, %rax 841 andl $4 294 967 295 , %eax 842 salq $8, %rcx 843 shrq $24, %rax 844 orq %rcx, %ra...

Ngày tải lên: 12/08/2014, 16:20

... */ 0 89 for (; x < adatalen; x++) { 090 gcm->X[gcm->buflen++] ^= *adata++; 091 092 if (gcm->buflen == 16) { 093 /* GF mult it */ 094 gcm_mult_h(gcm, gcm->X); 095 gcm->buflen = 0; 096 ... /** 0 89 GCM GF multiplier (internal use only) bitserial 090 @param a First value 091 @param b Second value 092 @param c Destination for a * b 093 */ 094 void gcm_gf_mult(con...

Ngày tải lên: 12/08/2014, 16:20

... Multiplication) ECC- 192 390 ,615 1,470,551 98 9 ,93 8 367,8 79 ECC-224 468,685 1 ,95 2,344 1,280,312 454 ,99 6 ECC-256 583,723 2,464 ,94 7 1,547,887 586, 797 ECC-384 1,123,152 5 ,91 6,616 3,572,755 1,240,034 ECC-521 1 ,98 6,757 ... 467,330/4,851 ,95 9 146,020/1,5 49, 781 RSA-1536 225, 191 /3,562,010 1, 090 ,842/13,470,711 93 3,843/13,816,1 29 254,741/4,314,161 RSA-2048 348,006/6,144 ,91...

Ngày tải lên: 12/08/2014, 16:20

... the Gold property. In the final chapter, this class will be responsible for keeping track of all the player’s information, and for saving and loading the game. public class Player : Character { private ... ry=0, rw=0, rh=0, index=0; //create inventory buttons p_buttons = new Button[30]; for (int y = 0; y < 3; y++) { for (int x = 0; x < 7; x++) Managing Inventory 377 int tx, ty;...

Ngày tải lên: 14/08/2014, 01:20

... Standard 14 11 13 9 a 9 14 11 13 a 13 9 14 11 a 11 13 9 14 a 0 1 2 3 404_CRYPTO_04.qxd 10/30/06 9: 42 AM Page 154 Figure 4.4 AES SubBytes Function Figure 4.5 AES Affine Transformation There are several ... clocked twice to re-key itself for the next usage. In the design of Fortuna they use an AES candidate cipher; we can just use AES for this (Fortuna was described before the AES...

Ngày tải lên: 12/08/2014, 20:22

... error; 2 89 } 290 CTRlen = 0; 291 } 292 293 /* if we encrypt we add the bytes to the MAC first */ 294 if (direction == CCM_ENCRYPT) { 295 b = pt[y]; 296 ct[y] = b ^ CTRPAD[CTRlen++]; 297 } else { 298 ... CBC-MAC pad performs the required MAC operation for this 16-byte block of plaintext. 247 } else { 248 for (; y < (ptlen & ~15); y += 16) { 2 49 /* increment the ctr? */...

Ngày tải lên: 12/08/2014, 20:22

... Thread(new ThreadStart(pp.run)); 94 95 Console.WriteLine(" in out"); 96 97 s1.Start(); // Starts first serial port. 98 s2.Start(); // Starts second serial port. 99 p.Start(); // Starts parallel ... created on lines 91 93 with their corresponding run entry points, begin execution on lines 97 99 . Although the main thread completes execution, the three threads continue to run...

Ngày tải lên: 05/08/2014, 10:20