sqlite3aes.h 43 KB

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  1. /*
  2. * sqlite3aes.h
  3. *
  4. * Copyright (C) 2018 bzt (bztsrc@gitlab)
  5. *
  6. * Permission is hereby granted, free of charge, to any person
  7. * obtaining a copy of this software and associated documentation
  8. * files (the "Software"), to deal in the Software without
  9. * restriction, including without limitation the rights to use, copy,
  10. * modify, merge, publish, distribute, sublicense, and/or sell copies
  11. * of the Software, and to permit persons to whom the Software is
  12. * furnished to do so, subject to the following conditions:
  13. *
  14. * The above copyright notice and this permission notice shall be
  15. * included in all copies or substantial portions of the Software.
  16. *
  17. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
  18. * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
  19. * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
  20. * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
  21. * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
  22. * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
  23. * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  24. * DEALINGS IN THE SOFTWARE.
  25. *
  26. * @brief Adds dependency-free AES-256-CBC encryption to sqlite3.
  27. *
  28. */
  29. #ifndef _SQLITE3AES_H_
  30. #define _SQLITE3AES_H_
  31. #define SQLITE_SECURE_DELETE 1
  32. #define SQLITE_HAS_CODEC 1
  33. /* do we need the implementation? */
  34. #ifndef SQLITE3AES_SALT
  35. #include "sqlite3.h"
  36. #else
  37. #include <stdio.h>
  38. #include <stdlib.h>
  39. #include <stdint.h>
  40. #include <memory.h>
  41. #define __USE_GNU /* required for MREMAP_MAYMOVE in sqlite3 */
  42. #include <sys/mman.h>
  43. #include "sqlite3.c"
  44. #ifdef __cplusplus
  45. extern "C" {
  46. #endif
  47. /*** ----- our SHA-256 implementation if not provided already. Use the same API as OpenSSL ----- ***/
  48. #ifndef HEADER_SHA_H
  49. typedef struct {
  50. uint8_t d[64];
  51. uint32_t l;
  52. uint32_t b[2];
  53. uint32_t s[8];
  54. } SHA256_CTX;
  55. #define SHA_ADD(a,b,c) if(a>0xffffffff-(c))b++;a+=c;
  56. #define SHA_ROTL(a,b) (((a)<<(b))|((a)>>(32-(b))))
  57. #define SHA_ROTR(a,b) (((a)>>(b))|((a)<<(32-(b))))
  58. #define SHA_CH(x,y,z) (((x)&(y))^(~(x)&(z)))
  59. #define SHA_MAJ(x,y,z) (((x)&(y))^((x)&(z))^((y)&(z)))
  60. #define SHA_EP0(x) (SHA_ROTR(x,2)^SHA_ROTR(x,13)^SHA_ROTR(x,22))
  61. #define SHA_EP1(x) (SHA_ROTR(x,6)^SHA_ROTR(x,11)^SHA_ROTR(x,25))
  62. #define SHA_SIG0(x) (SHA_ROTR(x,7)^SHA_ROTR(x,18)^((x)>>3))
  63. #define SHA_SIG1(x) (SHA_ROTR(x,17)^SHA_ROTR(x,19)^((x)>>10))
  64. static uint32_t sha256_k[64]={
  65. 0x428a2f98,0x71374491,0xb5c0fbcf,0xe9b5dba5,0x3956c25b,0x59f111f1,0x923f82a4,0xab1c5ed5,
  66. 0xd807aa98,0x12835b01,0x243185be,0x550c7dc3,0x72be5d74,0x80deb1fe,0x9bdc06a7,0xc19bf174,
  67. 0xe49b69c1,0xefbe4786,0x0fc19dc6,0x240ca1cc,0x2de92c6f,0x4a7484aa,0x5cb0a9dc,0x76f988da,
  68. 0x983e5152,0xa831c66d,0xb00327c8,0xbf597fc7,0xc6e00bf3,0xd5a79147,0x06ca6351,0x14292967,
  69. 0x27b70a85,0x2e1b2138,0x4d2c6dfc,0x53380d13,0x650a7354,0x766a0abb,0x81c2c92e,0x92722c85,
  70. 0xa2bfe8a1,0xa81a664b,0xc24b8b70,0xc76c51a3,0xd192e819,0xd6990624,0xf40e3585,0x106aa070,
  71. 0x19a4c116,0x1e376c08,0x2748774c,0x34b0bcb5,0x391c0cb3,0x4ed8aa4a,0x5b9cca4f,0x682e6ff3,
  72. 0x748f82ee,0x78a5636f,0x84c87814,0x8cc70208,0x90befffa,0xa4506ceb,0xbef9a3f7,0xc67178f2
  73. };
  74. void sha256_t(SHA256_CTX *ctx)
  75. {
  76. uint32_t a,b,c,d,e,f,g,h,i,j,t1,t2,m[64];
  77. for(i=0,j=0;i<16;i++,j+=4) m[i]=(ctx->d[j]<<24)|(ctx->d[j+1]<<16)|(ctx->d[j+2]<<8)|(ctx->d[j+3]);
  78. for(;i<64;i++) m[i]=SHA_SIG1(m[i-2])+m[i-7]+SHA_SIG0(m[i-15])+m[i-16];
  79. a=ctx->s[0];b=ctx->s[1];c=ctx->s[2];d=ctx->s[3];
  80. e=ctx->s[4];f=ctx->s[5];g=ctx->s[6];h=ctx->s[7];
  81. for(i=0;i<64;i++) {
  82. t1=h+SHA_EP1(e)+SHA_CH(e,f,g)+sha256_k[i]+m[i];
  83. t2=SHA_EP0(a)+SHA_MAJ(a,b,c);h=g;g=f;f=e;e=d+t1;d=c;c=b;b=a;a=t1+t2;
  84. }
  85. ctx->s[0]+=a;ctx->s[1]+=b;ctx->s[2]+=c;ctx->s[3]+=d;
  86. ctx->s[4]+=e;ctx->s[5]+=f;ctx->s[6]+=g;ctx->s[7]+=h;
  87. }
  88. void SHA256_Init(SHA256_CTX *ctx)
  89. {
  90. ctx->l=0;ctx->b[0]=ctx->b[1]=0;
  91. ctx->s[0]=0x6a09e667;ctx->s[1]=0xbb67ae85;ctx->s[2]=0x3c6ef372;ctx->s[3]=0xa54ff53a;
  92. ctx->s[4]=0x510e527f;ctx->s[5]=0x9b05688c;ctx->s[6]=0x1f83d9ab;ctx->s[7]=0x5be0cd19;
  93. }
  94. void SHA256_Update(SHA256_CTX *ctx, const void *data, int len)
  95. {
  96. uint8_t *d=(uint8_t *)data;
  97. for(;len--;d++) {
  98. ctx->d[ctx->l++]=*d;
  99. if(ctx->l==64) {sha256_t(ctx);SHA_ADD(ctx->b[0],ctx->b[1],512);ctx->l=0;}
  100. }
  101. }
  102. int SHA256_Final(unsigned char *h, SHA256_CTX *ctx)
  103. {
  104. uint32_t i=ctx->l;
  105. ctx->d[i++]=0x80;
  106. if(ctx->l<56) {while(i<56) ctx->d[i++]=0x00;}
  107. else {while(i<64) ctx->d[i++]=0x00;sha256_t(ctx);memset(ctx->d,0,56);}
  108. SHA_ADD(ctx->b[0],ctx->b[1],ctx->l*8);
  109. ctx->d[63]=ctx->b[0];ctx->d[62]=ctx->b[0]>>8;ctx->d[61]=ctx->b[0]>>16;ctx->d[60]=ctx->b[0]>>24;
  110. ctx->d[59]=ctx->b[1];ctx->d[58]=ctx->b[1]>>8;ctx->d[57]=ctx->b[1]>>16;ctx->d[56]=ctx->b[1]>>24;
  111. sha256_t(ctx);
  112. for(i=0;i<4;i++) {
  113. h[i] =(ctx->s[0]>>(24-i*8)); h[i+4] =(ctx->s[1]>>(24-i*8));
  114. h[i+8] =(ctx->s[2]>>(24-i*8)); h[i+12]=(ctx->s[3]>>(24-i*8));
  115. h[i+16]=(ctx->s[4]>>(24-i*8)); h[i+20]=(ctx->s[5]>>(24-i*8));
  116. h[i+24]=(ctx->s[6]>>(24-i*8)); h[i+28]=(ctx->s[7]>>(24-i*8));
  117. }
  118. }
  119. #endif
  120. /*** ----- AES-256-CBC implementation. We use a different API than OpenSSL ----- ***/
  121. #ifndef HEADER_AES_H
  122. #define GETU32(pt) (((uint32_t)(pt)[0]<<24)^((uint32_t)(pt)[1]<<16)^((uint32_t)(pt)[2]<<8)^((uint32_t)(pt)[3]))
  123. #define PUTU32(ct,st) {(ct)[0]=(uint8_t)((st)>>24);(ct)[1]=(uint8_t)((st)>>16);(ct)[2]=(uint8_t)((st)>>8);(ct)[3]=(uint8_t)(st);}
  124. static const uint32_t Te0[256]={
  125. 0xc66363a5U,0xf87c7c84U,0xee777799U,0xf67b7b8dU,0xfff2f20dU,0xd66b6bbdU,0xde6f6fb1U,0x91c5c554U,
  126. 0x60303050U,0x02010103U,0xce6767a9U,0x562b2b7dU,0xe7fefe19U,0xb5d7d762U,0x4dababe6U,0xec76769aU,
  127. 0x8fcaca45U,0x1f82829dU,0x89c9c940U,0xfa7d7d87U,0xeffafa15U,0xb25959ebU,0x8e4747c9U,0xfbf0f00bU,
  128. 0x41adadecU,0xb3d4d467U,0x5fa2a2fdU,0x45afafeaU,0x239c9cbfU,0x53a4a4f7U,0xe4727296U,0x9bc0c05bU,
  129. 0x75b7b7c2U,0xe1fdfd1cU,0x3d9393aeU,0x4c26266aU,0x6c36365aU,0x7e3f3f41U,0xf5f7f702U,0x83cccc4fU,
  130. 0x6834345cU,0x51a5a5f4U,0xd1e5e534U,0xf9f1f108U,0xe2717193U,0xabd8d873U,0x62313153U,0x2a15153fU,
  131. 0x0804040cU,0x95c7c752U,0x46232365U,0x9dc3c35eU,0x30181828U,0x379696a1U,0x0a05050fU,0x2f9a9ab5U,
  132. 0x0e070709U,0x24121236U,0x1b80809bU,0xdfe2e23dU,0xcdebeb26U,0x4e272769U,0x7fb2b2cdU,0xea75759fU,
  133. 0x1209091bU,0x1d83839eU,0x582c2c74U,0x341a1a2eU,0x361b1b2dU,0xdc6e6eb2U,0xb45a5aeeU,0x5ba0a0fbU,
  134. 0xa45252f6U,0x763b3b4dU,0xb7d6d661U,0x7db3b3ceU,0x5229297bU,0xdde3e33eU,0x5e2f2f71U,0x13848497U,
  135. 0xa65353f5U,0xb9d1d168U,0x00000000U,0xc1eded2cU,0x40202060U,0xe3fcfc1fU,0x79b1b1c8U,0xb65b5bedU,
  136. 0xd46a6abeU,0x8dcbcb46U,0x67bebed9U,0x7239394bU,0x944a4adeU,0x984c4cd4U,0xb05858e8U,0x85cfcf4aU,
  137. 0xbbd0d06bU,0xc5efef2aU,0x4faaaae5U,0xedfbfb16U,0x864343c5U,0x9a4d4dd7U,0x66333355U,0x11858594U,
  138. 0x8a4545cfU,0xe9f9f910U,0x04020206U,0xfe7f7f81U,0xa05050f0U,0x783c3c44U,0x259f9fbaU,0x4ba8a8e3U,
  139. 0xa25151f3U,0x5da3a3feU,0x804040c0U,0x058f8f8aU,0x3f9292adU,0x219d9dbcU,0x70383848U,0xf1f5f504U,
  140. 0x63bcbcdfU,0x77b6b6c1U,0xafdada75U,0x42212163U,0x20101030U,0xe5ffff1aU,0xfdf3f30eU,0xbfd2d26dU,
  141. 0x81cdcd4cU,0x180c0c14U,0x26131335U,0xc3ecec2fU,0xbe5f5fe1U,0x359797a2U,0x884444ccU,0x2e171739U,
  142. 0x93c4c457U,0x55a7a7f2U,0xfc7e7e82U,0x7a3d3d47U,0xc86464acU,0xba5d5de7U,0x3219192bU,0xe6737395U,
  143. 0xc06060a0U,0x19818198U,0x9e4f4fd1U,0xa3dcdc7fU,0x44222266U,0x542a2a7eU,0x3b9090abU,0x0b888883U,
  144. 0x8c4646caU,0xc7eeee29U,0x6bb8b8d3U,0x2814143cU,0xa7dede79U,0xbc5e5ee2U,0x160b0b1dU,0xaddbdb76U,
  145. 0xdbe0e03bU,0x64323256U,0x743a3a4eU,0x140a0a1eU,0x924949dbU,0x0c06060aU,0x4824246cU,0xb85c5ce4U,
  146. 0x9fc2c25dU,0xbdd3d36eU,0x43acacefU,0xc46262a6U,0x399191a8U,0x319595a4U,0xd3e4e437U,0xf279798bU,
  147. 0xd5e7e732U,0x8bc8c843U,0x6e373759U,0xda6d6db7U,0x018d8d8cU,0xb1d5d564U,0x9c4e4ed2U,0x49a9a9e0U,
  148. 0xd86c6cb4U,0xac5656faU,0xf3f4f407U,0xcfeaea25U,0xca6565afU,0xf47a7a8eU,0x47aeaee9U,0x10080818U,
  149. 0x6fbabad5U,0xf0787888U,0x4a25256fU,0x5c2e2e72U,0x381c1c24U,0x57a6a6f1U,0x73b4b4c7U,0x97c6c651U,
  150. 0xcbe8e823U,0xa1dddd7cU,0xe874749cU,0x3e1f1f21U,0x964b4bddU,0x61bdbddcU,0x0d8b8b86U,0x0f8a8a85U,
  151. 0xe0707090U,0x7c3e3e42U,0x71b5b5c4U,0xcc6666aaU,0x904848d8U,0x06030305U,0xf7f6f601U,0x1c0e0e12U,
  152. 0xc26161a3U,0x6a35355fU,0xae5757f9U,0x69b9b9d0U,0x17868691U,0x99c1c158U,0x3a1d1d27U,0x279e9eb9U,
  153. 0xd9e1e138U,0xebf8f813U,0x2b9898b3U,0x22111133U,0xd26969bbU,0xa9d9d970U,0x078e8e89U,0x339494a7U,
  154. 0x2d9b9bb6U,0x3c1e1e22U,0x15878792U,0xc9e9e920U,0x87cece49U,0xaa5555ffU,0x50282878U,0xa5dfdf7aU,
  155. 0x038c8c8fU,0x59a1a1f8U,0x09898980U,0x1a0d0d17U,0x65bfbfdaU,0xd7e6e631U,0x844242c6U,0xd06868b8U,
  156. 0x824141c3U,0x299999b0U,0x5a2d2d77U,0x1e0f0f11U,0x7bb0b0cbU,0xa85454fcU,0x6dbbbbd6U,0x2c16163aU,
  157. };
  158. static const uint32_t Te1[256]={
  159. 0xa5c66363U,0x84f87c7cU,0x99ee7777U,0x8df67b7bU,0x0dfff2f2U,0xbdd66b6bU,0xb1de6f6fU,0x5491c5c5U,
  160. 0x50603030U,0x03020101U,0xa9ce6767U,0x7d562b2bU,0x19e7fefeU,0x62b5d7d7U,0xe64dababU,0x9aec7676U,
  161. 0x458fcacaU,0x9d1f8282U,0x4089c9c9U,0x87fa7d7dU,0x15effafaU,0xebb25959U,0xc98e4747U,0x0bfbf0f0U,
  162. 0xec41adadU,0x67b3d4d4U,0xfd5fa2a2U,0xea45afafU,0xbf239c9cU,0xf753a4a4U,0x96e47272U,0x5b9bc0c0U,
  163. 0xc275b7b7U,0x1ce1fdfdU,0xae3d9393U,0x6a4c2626U,0x5a6c3636U,0x417e3f3fU,0x02f5f7f7U,0x4f83ccccU,
  164. 0x5c683434U,0xf451a5a5U,0x34d1e5e5U,0x08f9f1f1U,0x93e27171U,0x73abd8d8U,0x53623131U,0x3f2a1515U,
  165. 0x0c080404U,0x5295c7c7U,0x65462323U,0x5e9dc3c3U,0x28301818U,0xa1379696U,0x0f0a0505U,0xb52f9a9aU,
  166. 0x090e0707U,0x36241212U,0x9b1b8080U,0x3ddfe2e2U,0x26cdebebU,0x694e2727U,0xcd7fb2b2U,0x9fea7575U,
  167. 0x1b120909U,0x9e1d8383U,0x74582c2cU,0x2e341a1aU,0x2d361b1bU,0xb2dc6e6eU,0xeeb45a5aU,0xfb5ba0a0U,
  168. 0xf6a45252U,0x4d763b3bU,0x61b7d6d6U,0xce7db3b3U,0x7b522929U,0x3edde3e3U,0x715e2f2fU,0x97138484U,
  169. 0xf5a65353U,0x68b9d1d1U,0x00000000U,0x2cc1ededU,0x60402020U,0x1fe3fcfcU,0xc879b1b1U,0xedb65b5bU,
  170. 0xbed46a6aU,0x468dcbcbU,0xd967bebeU,0x4b723939U,0xde944a4aU,0xd4984c4cU,0xe8b05858U,0x4a85cfcfU,
  171. 0x6bbbd0d0U,0x2ac5efefU,0xe54faaaaU,0x16edfbfbU,0xc5864343U,0xd79a4d4dU,0x55663333U,0x94118585U,
  172. 0xcf8a4545U,0x10e9f9f9U,0x06040202U,0x81fe7f7fU,0xf0a05050U,0x44783c3cU,0xba259f9fU,0xe34ba8a8U,
  173. 0xf3a25151U,0xfe5da3a3U,0xc0804040U,0x8a058f8fU,0xad3f9292U,0xbc219d9dU,0x48703838U,0x04f1f5f5U,
  174. 0xdf63bcbcU,0xc177b6b6U,0x75afdadaU,0x63422121U,0x30201010U,0x1ae5ffffU,0x0efdf3f3U,0x6dbfd2d2U,
  175. 0x4c81cdcdU,0x14180c0cU,0x35261313U,0x2fc3ececU,0xe1be5f5fU,0xa2359797U,0xcc884444U,0x392e1717U,
  176. 0x5793c4c4U,0xf255a7a7U,0x82fc7e7eU,0x477a3d3dU,0xacc86464U,0xe7ba5d5dU,0x2b321919U,0x95e67373U,
  177. 0xa0c06060U,0x98198181U,0xd19e4f4fU,0x7fa3dcdcU,0x66442222U,0x7e542a2aU,0xab3b9090U,0x830b8888U,
  178. 0xca8c4646U,0x29c7eeeeU,0xd36bb8b8U,0x3c281414U,0x79a7dedeU,0xe2bc5e5eU,0x1d160b0bU,0x76addbdbU,
  179. 0x3bdbe0e0U,0x56643232U,0x4e743a3aU,0x1e140a0aU,0xdb924949U,0x0a0c0606U,0x6c482424U,0xe4b85c5cU,
  180. 0x5d9fc2c2U,0x6ebdd3d3U,0xef43acacU,0xa6c46262U,0xa8399191U,0xa4319595U,0x37d3e4e4U,0x8bf27979U,
  181. 0x32d5e7e7U,0x438bc8c8U,0x596e3737U,0xb7da6d6dU,0x8c018d8dU,0x64b1d5d5U,0xd29c4e4eU,0xe049a9a9U,
  182. 0xb4d86c6cU,0xfaac5656U,0x07f3f4f4U,0x25cfeaeaU,0xafca6565U,0x8ef47a7aU,0xe947aeaeU,0x18100808U,
  183. 0xd56fbabaU,0x88f07878U,0x6f4a2525U,0x725c2e2eU,0x24381c1cU,0xf157a6a6U,0xc773b4b4U,0x5197c6c6U,
  184. 0x23cbe8e8U,0x7ca1ddddU,0x9ce87474U,0x213e1f1fU,0xdd964b4bU,0xdc61bdbdU,0x860d8b8bU,0x850f8a8aU,
  185. 0x90e07070U,0x427c3e3eU,0xc471b5b5U,0xaacc6666U,0xd8904848U,0x05060303U,0x01f7f6f6U,0x121c0e0eU,
  186. 0xa3c26161U,0x5f6a3535U,0xf9ae5757U,0xd069b9b9U,0x91178686U,0x5899c1c1U,0x273a1d1dU,0xb9279e9eU,
  187. 0x38d9e1e1U,0x13ebf8f8U,0xb32b9898U,0x33221111U,0xbbd26969U,0x70a9d9d9U,0x89078e8eU,0xa7339494U,
  188. 0xb62d9b9bU,0x223c1e1eU,0x92158787U,0x20c9e9e9U,0x4987ceceU,0xffaa5555U,0x78502828U,0x7aa5dfdfU,
  189. 0x8f038c8cU,0xf859a1a1U,0x80098989U,0x171a0d0dU,0xda65bfbfU,0x31d7e6e6U,0xc6844242U,0xb8d06868U,
  190. 0xc3824141U,0xb0299999U,0x775a2d2dU,0x111e0f0fU,0xcb7bb0b0U,0xfca85454U,0xd66dbbbbU,0x3a2c1616U,
  191. };
  192. static const uint32_t Te2[256]={
  193. 0x63a5c663U,0x7c84f87cU,0x7799ee77U,0x7b8df67bU,0xf20dfff2U,0x6bbdd66bU,0x6fb1de6fU,0xc55491c5U,
  194. 0x30506030U,0x01030201U,0x67a9ce67U,0x2b7d562bU,0xfe19e7feU,0xd762b5d7U,0xabe64dabU,0x769aec76U,
  195. 0xca458fcaU,0x829d1f82U,0xc94089c9U,0x7d87fa7dU,0xfa15effaU,0x59ebb259U,0x47c98e47U,0xf00bfbf0U,
  196. 0xadec41adU,0xd467b3d4U,0xa2fd5fa2U,0xafea45afU,0x9cbf239cU,0xa4f753a4U,0x7296e472U,0xc05b9bc0U,
  197. 0xb7c275b7U,0xfd1ce1fdU,0x93ae3d93U,0x266a4c26U,0x365a6c36U,0x3f417e3fU,0xf702f5f7U,0xcc4f83ccU,
  198. 0x345c6834U,0xa5f451a5U,0xe534d1e5U,0xf108f9f1U,0x7193e271U,0xd873abd8U,0x31536231U,0x153f2a15U,
  199. 0x040c0804U,0xc75295c7U,0x23654623U,0xc35e9dc3U,0x18283018U,0x96a13796U,0x050f0a05U,0x9ab52f9aU,
  200. 0x07090e07U,0x12362412U,0x809b1b80U,0xe23ddfe2U,0xeb26cdebU,0x27694e27U,0xb2cd7fb2U,0x759fea75U,
  201. 0x091b1209U,0x839e1d83U,0x2c74582cU,0x1a2e341aU,0x1b2d361bU,0x6eb2dc6eU,0x5aeeb45aU,0xa0fb5ba0U,
  202. 0x52f6a452U,0x3b4d763bU,0xd661b7d6U,0xb3ce7db3U,0x297b5229U,0xe33edde3U,0x2f715e2fU,0x84971384U,
  203. 0x53f5a653U,0xd168b9d1U,0x00000000U,0xed2cc1edU,0x20604020U,0xfc1fe3fcU,0xb1c879b1U,0x5bedb65bU,
  204. 0x6abed46aU,0xcb468dcbU,0xbed967beU,0x394b7239U,0x4ade944aU,0x4cd4984cU,0x58e8b058U,0xcf4a85cfU,
  205. 0xd06bbbd0U,0xef2ac5efU,0xaae54faaU,0xfb16edfbU,0x43c58643U,0x4dd79a4dU,0x33556633U,0x85941185U,
  206. 0x45cf8a45U,0xf910e9f9U,0x02060402U,0x7f81fe7fU,0x50f0a050U,0x3c44783cU,0x9fba259fU,0xa8e34ba8U,
  207. 0x51f3a251U,0xa3fe5da3U,0x40c08040U,0x8f8a058fU,0x92ad3f92U,0x9dbc219dU,0x38487038U,0xf504f1f5U,
  208. 0xbcdf63bcU,0xb6c177b6U,0xda75afdaU,0x21634221U,0x10302010U,0xff1ae5ffU,0xf30efdf3U,0xd26dbfd2U,
  209. 0xcd4c81cdU,0x0c14180cU,0x13352613U,0xec2fc3ecU,0x5fe1be5fU,0x97a23597U,0x44cc8844U,0x17392e17U,
  210. 0xc45793c4U,0xa7f255a7U,0x7e82fc7eU,0x3d477a3dU,0x64acc864U,0x5de7ba5dU,0x192b3219U,0x7395e673U,
  211. 0x60a0c060U,0x81981981U,0x4fd19e4fU,0xdc7fa3dcU,0x22664422U,0x2a7e542aU,0x90ab3b90U,0x88830b88U,
  212. 0x46ca8c46U,0xee29c7eeU,0xb8d36bb8U,0x143c2814U,0xde79a7deU,0x5ee2bc5eU,0x0b1d160bU,0xdb76addbU,
  213. 0xe03bdbe0U,0x32566432U,0x3a4e743aU,0x0a1e140aU,0x49db9249U,0x060a0c06U,0x246c4824U,0x5ce4b85cU,
  214. 0xc25d9fc2U,0xd36ebdd3U,0xacef43acU,0x62a6c462U,0x91a83991U,0x95a43195U,0xe437d3e4U,0x798bf279U,
  215. 0xe732d5e7U,0xc8438bc8U,0x37596e37U,0x6db7da6dU,0x8d8c018dU,0xd564b1d5U,0x4ed29c4eU,0xa9e049a9U,
  216. 0x6cb4d86cU,0x56faac56U,0xf407f3f4U,0xea25cfeaU,0x65afca65U,0x7a8ef47aU,0xaee947aeU,0x08181008U,
  217. 0xbad56fbaU,0x7888f078U,0x256f4a25U,0x2e725c2eU,0x1c24381cU,0xa6f157a6U,0xb4c773b4U,0xc65197c6U,
  218. 0xe823cbe8U,0xdd7ca1ddU,0x749ce874U,0x1f213e1fU,0x4bdd964bU,0xbddc61bdU,0x8b860d8bU,0x8a850f8aU,
  219. 0x7090e070U,0x3e427c3eU,0xb5c471b5U,0x66aacc66U,0x48d89048U,0x03050603U,0xf601f7f6U,0x0e121c0eU,
  220. 0x61a3c261U,0x355f6a35U,0x57f9ae57U,0xb9d069b9U,0x86911786U,0xc15899c1U,0x1d273a1dU,0x9eb9279eU,
  221. 0xe138d9e1U,0xf813ebf8U,0x98b32b98U,0x11332211U,0x69bbd269U,0xd970a9d9U,0x8e89078eU,0x94a73394U,
  222. 0x9bb62d9bU,0x1e223c1eU,0x87921587U,0xe920c9e9U,0xce4987ceU,0x55ffaa55U,0x28785028U,0xdf7aa5dfU,
  223. 0x8c8f038cU,0xa1f859a1U,0x89800989U,0x0d171a0dU,0xbfda65bfU,0xe631d7e6U,0x42c68442U,0x68b8d068U,
  224. 0x41c38241U,0x99b02999U,0x2d775a2dU,0x0f111e0fU,0xb0cb7bb0U,0x54fca854U,0xbbd66dbbU,0x163a2c16U,
  225. };
  226. static const uint32_t Te3[256]={
  227. 0x6363a5c6U,0x7c7c84f8U,0x777799eeU,0x7b7b8df6U,0xf2f20dffU,0x6b6bbdd6U,0x6f6fb1deU,0xc5c55491U,
  228. 0x30305060U,0x01010302U,0x6767a9ceU,0x2b2b7d56U,0xfefe19e7U,0xd7d762b5U,0xababe64dU,0x76769aecU,
  229. 0xcaca458fU,0x82829d1fU,0xc9c94089U,0x7d7d87faU,0xfafa15efU,0x5959ebb2U,0x4747c98eU,0xf0f00bfbU,
  230. 0xadadec41U,0xd4d467b3U,0xa2a2fd5fU,0xafafea45U,0x9c9cbf23U,0xa4a4f753U,0x727296e4U,0xc0c05b9bU,
  231. 0xb7b7c275U,0xfdfd1ce1U,0x9393ae3dU,0x26266a4cU,0x36365a6cU,0x3f3f417eU,0xf7f702f5U,0xcccc4f83U,
  232. 0x34345c68U,0xa5a5f451U,0xe5e534d1U,0xf1f108f9U,0x717193e2U,0xd8d873abU,0x31315362U,0x15153f2aU,
  233. 0x04040c08U,0xc7c75295U,0x23236546U,0xc3c35e9dU,0x18182830U,0x9696a137U,0x05050f0aU,0x9a9ab52fU,
  234. 0x0707090eU,0x12123624U,0x80809b1bU,0xe2e23ddfU,0xebeb26cdU,0x2727694eU,0xb2b2cd7fU,0x75759feaU,
  235. 0x09091b12U,0x83839e1dU,0x2c2c7458U,0x1a1a2e34U,0x1b1b2d36U,0x6e6eb2dcU,0x5a5aeeb4U,0xa0a0fb5bU,
  236. 0x5252f6a4U,0x3b3b4d76U,0xd6d661b7U,0xb3b3ce7dU,0x29297b52U,0xe3e33eddU,0x2f2f715eU,0x84849713U,
  237. 0x5353f5a6U,0xd1d168b9U,0x00000000U,0xeded2cc1U,0x20206040U,0xfcfc1fe3U,0xb1b1c879U,0x5b5bedb6U,
  238. 0x6a6abed4U,0xcbcb468dU,0xbebed967U,0x39394b72U,0x4a4ade94U,0x4c4cd498U,0x5858e8b0U,0xcfcf4a85U,
  239. 0xd0d06bbbU,0xefef2ac5U,0xaaaae54fU,0xfbfb16edU,0x4343c586U,0x4d4dd79aU,0x33335566U,0x85859411U,
  240. 0x4545cf8aU,0xf9f910e9U,0x02020604U,0x7f7f81feU,0x5050f0a0U,0x3c3c4478U,0x9f9fba25U,0xa8a8e34bU,
  241. 0x5151f3a2U,0xa3a3fe5dU,0x4040c080U,0x8f8f8a05U,0x9292ad3fU,0x9d9dbc21U,0x38384870U,0xf5f504f1U,
  242. 0xbcbcdf63U,0xb6b6c177U,0xdada75afU,0x21216342U,0x10103020U,0xffff1ae5U,0xf3f30efdU,0xd2d26dbfU,
  243. 0xcdcd4c81U,0x0c0c1418U,0x13133526U,0xecec2fc3U,0x5f5fe1beU,0x9797a235U,0x4444cc88U,0x1717392eU,
  244. 0xc4c45793U,0xa7a7f255U,0x7e7e82fcU,0x3d3d477aU,0x6464acc8U,0x5d5de7baU,0x19192b32U,0x737395e6U,
  245. 0x6060a0c0U,0x81819819U,0x4f4fd19eU,0xdcdc7fa3U,0x22226644U,0x2a2a7e54U,0x9090ab3bU,0x8888830bU,
  246. 0x4646ca8cU,0xeeee29c7U,0xb8b8d36bU,0x14143c28U,0xdede79a7U,0x5e5ee2bcU,0x0b0b1d16U,0xdbdb76adU,
  247. 0xe0e03bdbU,0x32325664U,0x3a3a4e74U,0x0a0a1e14U,0x4949db92U,0x06060a0cU,0x24246c48U,0x5c5ce4b8U,
  248. 0xc2c25d9fU,0xd3d36ebdU,0xacacef43U,0x6262a6c4U,0x9191a839U,0x9595a431U,0xe4e437d3U,0x79798bf2U,
  249. 0xe7e732d5U,0xc8c8438bU,0x3737596eU,0x6d6db7daU,0x8d8d8c01U,0xd5d564b1U,0x4e4ed29cU,0xa9a9e049U,
  250. 0x6c6cb4d8U,0x5656faacU,0xf4f407f3U,0xeaea25cfU,0x6565afcaU,0x7a7a8ef4U,0xaeaee947U,0x08081810U,
  251. 0xbabad56fU,0x787888f0U,0x25256f4aU,0x2e2e725cU,0x1c1c2438U,0xa6a6f157U,0xb4b4c773U,0xc6c65197U,
  252. 0xe8e823cbU,0xdddd7ca1U,0x74749ce8U,0x1f1f213eU,0x4b4bdd96U,0xbdbddc61U,0x8b8b860dU,0x8a8a850fU,
  253. 0x707090e0U,0x3e3e427cU,0xb5b5c471U,0x6666aaccU,0x4848d890U,0x03030506U,0xf6f601f7U,0x0e0e121cU,
  254. 0x6161a3c2U,0x35355f6aU,0x5757f9aeU,0xb9b9d069U,0x86869117U,0xc1c15899U,0x1d1d273aU,0x9e9eb927U,
  255. 0xe1e138d9U,0xf8f813ebU,0x9898b32bU,0x11113322U,0x6969bbd2U,0xd9d970a9U,0x8e8e8907U,0x9494a733U,
  256. 0x9b9bb62dU,0x1e1e223cU,0x87879215U,0xe9e920c9U,0xcece4987U,0x5555ffaaU,0x28287850U,0xdfdf7aa5U,
  257. 0x8c8c8f03U,0xa1a1f859U,0x89898009U,0x0d0d171aU,0xbfbfda65U,0xe6e631d7U,0x4242c684U,0x6868b8d0U,
  258. 0x4141c382U,0x9999b029U,0x2d2d775aU,0x0f0f111eU,0xb0b0cb7bU,0x5454fca8U,0xbbbbd66dU,0x16163a2cU,
  259. };
  260. static const uint32_t Td0[256]={
  261. 0x51f4a750U,0x7e416553U,0x1a17a4c3U,0x3a275e96U,0x3bab6bcbU,0x1f9d45f1U,0xacfa58abU,0x4be30393U,
  262. 0x2030fa55U,0xad766df6U,0x88cc7691U,0xf5024c25U,0x4fe5d7fcU,0xc52acbd7U,0x26354480U,0xb562a38fU,
  263. 0xdeb15a49U,0x25ba1b67U,0x45ea0e98U,0x5dfec0e1U,0xc32f7502U,0x814cf012U,0x8d4697a3U,0x6bd3f9c6U,
  264. 0x038f5fe7U,0x15929c95U,0xbf6d7aebU,0x955259daU,0xd4be832dU,0x587421d3U,0x49e06929U,0x8ec9c844U,
  265. 0x75c2896aU,0xf48e7978U,0x99583e6bU,0x27b971ddU,0xbee14fb6U,0xf088ad17U,0xc920ac66U,0x7dce3ab4U,
  266. 0x63df4a18U,0xe51a3182U,0x97513360U,0x62537f45U,0xb16477e0U,0xbb6bae84U,0xfe81a01cU,0xf9082b94U,
  267. 0x70486858U,0x8f45fd19U,0x94de6c87U,0x527bf8b7U,0xab73d323U,0x724b02e2U,0xe31f8f57U,0x6655ab2aU,
  268. 0xb2eb2807U,0x2fb5c203U,0x86c57b9aU,0xd33708a5U,0x302887f2U,0x23bfa5b2U,0x02036abaU,0xed16825cU,
  269. 0x8acf1c2bU,0xa779b492U,0xf307f2f0U,0x4e69e2a1U,0x65daf4cdU,0x0605bed5U,0xd134621fU,0xc4a6fe8aU,
  270. 0x342e539dU,0xa2f355a0U,0x058ae132U,0xa4f6eb75U,0x0b83ec39U,0x4060efaaU,0x5e719f06U,0xbd6e1051U,
  271. 0x3e218af9U,0x96dd063dU,0xdd3e05aeU,0x4de6bd46U,0x91548db5U,0x71c45d05U,0x0406d46fU,0x605015ffU,
  272. 0x1998fb24U,0xd6bde997U,0x894043ccU,0x67d99e77U,0xb0e842bdU,0x07898b88U,0xe7195b38U,0x79c8eedbU,
  273. 0xa17c0a47U,0x7c420fe9U,0xf8841ec9U,0x00000000U,0x09808683U,0x322bed48U,0x1e1170acU,0x6c5a724eU,
  274. 0xfd0efffbU,0x0f853856U,0x3daed51eU,0x362d3927U,0x0a0fd964U,0x685ca621U,0x9b5b54d1U,0x24362e3aU,
  275. 0x0c0a67b1U,0x9357e70fU,0xb4ee96d2U,0x1b9b919eU,0x80c0c54fU,0x61dc20a2U,0x5a774b69U,0x1c121a16U,
  276. 0xe293ba0aU,0xc0a02ae5U,0x3c22e043U,0x121b171dU,0x0e090d0bU,0xf28bc7adU,0x2db6a8b9U,0x141ea9c8U,
  277. 0x57f11985U,0xaf75074cU,0xee99ddbbU,0xa37f60fdU,0xf701269fU,0x5c72f5bcU,0x44663bc5U,0x5bfb7e34U,
  278. 0x8b432976U,0xcb23c6dcU,0xb6edfc68U,0xb8e4f163U,0xd731dccaU,0x42638510U,0x13972240U,0x84c61120U,
  279. 0x854a247dU,0xd2bb3df8U,0xaef93211U,0xc729a16dU,0x1d9e2f4bU,0xdcb230f3U,0x0d8652ecU,0x77c1e3d0U,
  280. 0x2bb3166cU,0xa970b999U,0x119448faU,0x47e96422U,0xa8fc8cc4U,0xa0f03f1aU,0x567d2cd8U,0x223390efU,
  281. 0x87494ec7U,0xd938d1c1U,0x8ccaa2feU,0x98d40b36U,0xa6f581cfU,0xa57ade28U,0xdab78e26U,0x3fadbfa4U,
  282. 0x2c3a9de4U,0x5078920dU,0x6a5fcc9bU,0x547e4662U,0xf68d13c2U,0x90d8b8e8U,0x2e39f75eU,0x82c3aff5U,
  283. 0x9f5d80beU,0x69d0937cU,0x6fd52da9U,0xcf2512b3U,0xc8ac993bU,0x10187da7U,0xe89c636eU,0xdb3bbb7bU,
  284. 0xcd267809U,0x6e5918f4U,0xec9ab701U,0x834f9aa8U,0xe6956e65U,0xaaffe67eU,0x21bccf08U,0xef15e8e6U,
  285. 0xbae79bd9U,0x4a6f36ceU,0xea9f09d4U,0x29b07cd6U,0x31a4b2afU,0x2a3f2331U,0xc6a59430U,0x35a266c0U,
  286. 0x744ebc37U,0xfc82caa6U,0xe090d0b0U,0x33a7d815U,0xf104984aU,0x41ecdaf7U,0x7fcd500eU,0x1791f62fU,
  287. 0x764dd68dU,0x43efb04dU,0xccaa4d54U,0xe49604dfU,0x9ed1b5e3U,0x4c6a881bU,0xc12c1fb8U,0x4665517fU,
  288. 0x9d5eea04U,0x018c355dU,0xfa877473U,0xfb0b412eU,0xb3671d5aU,0x92dbd252U,0xe9105633U,0x6dd64713U,
  289. 0x9ad7618cU,0x37a10c7aU,0x59f8148eU,0xeb133c89U,0xcea927eeU,0xb761c935U,0xe11ce5edU,0x7a47b13cU,
  290. 0x9cd2df59U,0x55f2733fU,0x1814ce79U,0x73c737bfU,0x53f7cdeaU,0x5ffdaa5bU,0xdf3d6f14U,0x7844db86U,
  291. 0xcaaff381U,0xb968c43eU,0x3824342cU,0xc2a3405fU,0x161dc372U,0xbce2250cU,0x283c498bU,0xff0d9541U,
  292. 0x39a80171U,0x080cb3deU,0xd8b4e49cU,0x6456c190U,0x7bcb8461U,0xd532b670U,0x486c5c74U,0xd0b85742U,
  293. };
  294. static const uint32_t Td1[256]={
  295. 0x5051f4a7U,0x537e4165U,0xc31a17a4U,0x963a275eU,0xcb3bab6bU,0xf11f9d45U,0xabacfa58U,0x934be303U,
  296. 0x552030faU,0xf6ad766dU,0x9188cc76U,0x25f5024cU,0xfc4fe5d7U,0xd7c52acbU,0x80263544U,0x8fb562a3U,
  297. 0x49deb15aU,0x6725ba1bU,0x9845ea0eU,0xe15dfec0U,0x02c32f75U,0x12814cf0U,0xa38d4697U,0xc66bd3f9U,
  298. 0xe7038f5fU,0x9515929cU,0xebbf6d7aU,0xda955259U,0x2dd4be83U,0xd3587421U,0x2949e069U,0x448ec9c8U,
  299. 0x6a75c289U,0x78f48e79U,0x6b99583eU,0xdd27b971U,0xb6bee14fU,0x17f088adU,0x66c920acU,0xb47dce3aU,
  300. 0x1863df4aU,0x82e51a31U,0x60975133U,0x4562537fU,0xe0b16477U,0x84bb6baeU,0x1cfe81a0U,0x94f9082bU,
  301. 0x58704868U,0x198f45fdU,0x8794de6cU,0xb7527bf8U,0x23ab73d3U,0xe2724b02U,0x57e31f8fU,0x2a6655abU,
  302. 0x07b2eb28U,0x032fb5c2U,0x9a86c57bU,0xa5d33708U,0xf2302887U,0xb223bfa5U,0xba02036aU,0x5ced1682U,
  303. 0x2b8acf1cU,0x92a779b4U,0xf0f307f2U,0xa14e69e2U,0xcd65daf4U,0xd50605beU,0x1fd13462U,0x8ac4a6feU,
  304. 0x9d342e53U,0xa0a2f355U,0x32058ae1U,0x75a4f6ebU,0x390b83ecU,0xaa4060efU,0x065e719fU,0x51bd6e10U,
  305. 0xf93e218aU,0x3d96dd06U,0xaedd3e05U,0x464de6bdU,0xb591548dU,0x0571c45dU,0x6f0406d4U,0xff605015U,
  306. 0x241998fbU,0x97d6bde9U,0xcc894043U,0x7767d99eU,0xbdb0e842U,0x8807898bU,0x38e7195bU,0xdb79c8eeU,
  307. 0x47a17c0aU,0xe97c420fU,0xc9f8841eU,0x00000000U,0x83098086U,0x48322bedU,0xac1e1170U,0x4e6c5a72U,
  308. 0xfbfd0effU,0x560f8538U,0x1e3daed5U,0x27362d39U,0x640a0fd9U,0x21685ca6U,0xd19b5b54U,0x3a24362eU,
  309. 0xb10c0a67U,0x0f9357e7U,0xd2b4ee96U,0x9e1b9b91U,0x4f80c0c5U,0xa261dc20U,0x695a774bU,0x161c121aU,
  310. 0x0ae293baU,0xe5c0a02aU,0x433c22e0U,0x1d121b17U,0x0b0e090dU,0xadf28bc7U,0xb92db6a8U,0xc8141ea9U,
  311. 0x8557f119U,0x4caf7507U,0xbbee99ddU,0xfda37f60U,0x9ff70126U,0xbc5c72f5U,0xc544663bU,0x345bfb7eU,
  312. 0x768b4329U,0xdccb23c6U,0x68b6edfcU,0x63b8e4f1U,0xcad731dcU,0x10426385U,0x40139722U,0x2084c611U,
  313. 0x7d854a24U,0xf8d2bb3dU,0x11aef932U,0x6dc729a1U,0x4b1d9e2fU,0xf3dcb230U,0xec0d8652U,0xd077c1e3U,
  314. 0x6c2bb316U,0x99a970b9U,0xfa119448U,0x2247e964U,0xc4a8fc8cU,0x1aa0f03fU,0xd8567d2cU,0xef223390U,
  315. 0xc787494eU,0xc1d938d1U,0xfe8ccaa2U,0x3698d40bU,0xcfa6f581U,0x28a57adeU,0x26dab78eU,0xa43fadbfU,
  316. 0xe42c3a9dU,0x0d507892U,0x9b6a5fccU,0x62547e46U,0xc2f68d13U,0xe890d8b8U,0x5e2e39f7U,0xf582c3afU,
  317. 0xbe9f5d80U,0x7c69d093U,0xa96fd52dU,0xb3cf2512U,0x3bc8ac99U,0xa710187dU,0x6ee89c63U,0x7bdb3bbbU,
  318. 0x09cd2678U,0xf46e5918U,0x01ec9ab7U,0xa8834f9aU,0x65e6956eU,0x7eaaffe6U,0x0821bccfU,0xe6ef15e8U,
  319. 0xd9bae79bU,0xce4a6f36U,0xd4ea9f09U,0xd629b07cU,0xaf31a4b2U,0x312a3f23U,0x30c6a594U,0xc035a266U,
  320. 0x37744ebcU,0xa6fc82caU,0xb0e090d0U,0x1533a7d8U,0x4af10498U,0xf741ecdaU,0x0e7fcd50U,0x2f1791f6U,
  321. 0x8d764dd6U,0x4d43efb0U,0x54ccaa4dU,0xdfe49604U,0xe39ed1b5U,0x1b4c6a88U,0xb8c12c1fU,0x7f466551U,
  322. 0x049d5eeaU,0x5d018c35U,0x73fa8774U,0x2efb0b41U,0x5ab3671dU,0x5292dbd2U,0x33e91056U,0x136dd647U,
  323. 0x8c9ad761U,0x7a37a10cU,0x8e59f814U,0x89eb133cU,0xeecea927U,0x35b761c9U,0xede11ce5U,0x3c7a47b1U,
  324. 0x599cd2dfU,0x3f55f273U,0x791814ceU,0xbf73c737U,0xea53f7cdU,0x5b5ffdaaU,0x14df3d6fU,0x867844dbU,
  325. 0x81caaff3U,0x3eb968c4U,0x2c382434U,0x5fc2a340U,0x72161dc3U,0x0cbce225U,0x8b283c49U,0x41ff0d95U,
  326. 0x7139a801U,0xde080cb3U,0x9cd8b4e4U,0x906456c1U,0x617bcb84U,0x70d532b6U,0x74486c5cU,0x42d0b857U,
  327. };
  328. static const uint32_t Td2[256]={
  329. 0xa75051f4U,0x65537e41U,0xa4c31a17U,0x5e963a27U,0x6bcb3babU,0x45f11f9dU,0x58abacfaU,0x03934be3U,
  330. 0xfa552030U,0x6df6ad76U,0x769188ccU,0x4c25f502U,0xd7fc4fe5U,0xcbd7c52aU,0x44802635U,0xa38fb562U,
  331. 0x5a49deb1U,0x1b6725baU,0x0e9845eaU,0xc0e15dfeU,0x7502c32fU,0xf012814cU,0x97a38d46U,0xf9c66bd3U,
  332. 0x5fe7038fU,0x9c951592U,0x7aebbf6dU,0x59da9552U,0x832dd4beU,0x21d35874U,0x692949e0U,0xc8448ec9U,
  333. 0x896a75c2U,0x7978f48eU,0x3e6b9958U,0x71dd27b9U,0x4fb6bee1U,0xad17f088U,0xac66c920U,0x3ab47dceU,
  334. 0x4a1863dfU,0x3182e51aU,0x33609751U,0x7f456253U,0x77e0b164U,0xae84bb6bU,0xa01cfe81U,0x2b94f908U,
  335. 0x68587048U,0xfd198f45U,0x6c8794deU,0xf8b7527bU,0xd323ab73U,0x02e2724bU,0x8f57e31fU,0xab2a6655U,
  336. 0x2807b2ebU,0xc2032fb5U,0x7b9a86c5U,0x08a5d337U,0x87f23028U,0xa5b223bfU,0x6aba0203U,0x825ced16U,
  337. 0x1c2b8acfU,0xb492a779U,0xf2f0f307U,0xe2a14e69U,0xf4cd65daU,0xbed50605U,0x621fd134U,0xfe8ac4a6U,
  338. 0x539d342eU,0x55a0a2f3U,0xe132058aU,0xeb75a4f6U,0xec390b83U,0xefaa4060U,0x9f065e71U,0x1051bd6eU,
  339. 0x8af93e21U,0x063d96ddU,0x05aedd3eU,0xbd464de6U,0x8db59154U,0x5d0571c4U,0xd46f0406U,0x15ff6050U,
  340. 0xfb241998U,0xe997d6bdU,0x43cc8940U,0x9e7767d9U,0x42bdb0e8U,0x8b880789U,0x5b38e719U,0xeedb79c8U,
  341. 0x0a47a17cU,0x0fe97c42U,0x1ec9f884U,0x00000000U,0x86830980U,0xed48322bU,0x70ac1e11U,0x724e6c5aU,
  342. 0xfffbfd0eU,0x38560f85U,0xd51e3daeU,0x3927362dU,0xd9640a0fU,0xa621685cU,0x54d19b5bU,0x2e3a2436U,
  343. 0x67b10c0aU,0xe70f9357U,0x96d2b4eeU,0x919e1b9bU,0xc54f80c0U,0x20a261dcU,0x4b695a77U,0x1a161c12U,
  344. 0xba0ae293U,0x2ae5c0a0U,0xe0433c22U,0x171d121bU,0x0d0b0e09U,0xc7adf28bU,0xa8b92db6U,0xa9c8141eU,
  345. 0x198557f1U,0x074caf75U,0xddbbee99U,0x60fda37fU,0x269ff701U,0xf5bc5c72U,0x3bc54466U,0x7e345bfbU,
  346. 0x29768b43U,0xc6dccb23U,0xfc68b6edU,0xf163b8e4U,0xdccad731U,0x85104263U,0x22401397U,0x112084c6U,
  347. 0x247d854aU,0x3df8d2bbU,0x3211aef9U,0xa16dc729U,0x2f4b1d9eU,0x30f3dcb2U,0x52ec0d86U,0xe3d077c1U,
  348. 0x166c2bb3U,0xb999a970U,0x48fa1194U,0x642247e9U,0x8cc4a8fcU,0x3f1aa0f0U,0x2cd8567dU,0x90ef2233U,
  349. 0x4ec78749U,0xd1c1d938U,0xa2fe8ccaU,0x0b3698d4U,0x81cfa6f5U,0xde28a57aU,0x8e26dab7U,0xbfa43fadU,
  350. 0x9de42c3aU,0x920d5078U,0xcc9b6a5fU,0x4662547eU,0x13c2f68dU,0xb8e890d8U,0xf75e2e39U,0xaff582c3U,
  351. 0x80be9f5dU,0x937c69d0U,0x2da96fd5U,0x12b3cf25U,0x993bc8acU,0x7da71018U,0x636ee89cU,0xbb7bdb3bU,
  352. 0x7809cd26U,0x18f46e59U,0xb701ec9aU,0x9aa8834fU,0x6e65e695U,0xe67eaaffU,0xcf0821bcU,0xe8e6ef15U,
  353. 0x9bd9bae7U,0x36ce4a6fU,0x09d4ea9fU,0x7cd629b0U,0xb2af31a4U,0x23312a3fU,0x9430c6a5U,0x66c035a2U,
  354. 0xbc37744eU,0xcaa6fc82U,0xd0b0e090U,0xd81533a7U,0x984af104U,0xdaf741ecU,0x500e7fcdU,0xf62f1791U,
  355. 0xd68d764dU,0xb04d43efU,0x4d54ccaaU,0x04dfe496U,0xb5e39ed1U,0x881b4c6aU,0x1fb8c12cU,0x517f4665U,
  356. 0xea049d5eU,0x355d018cU,0x7473fa87U,0x412efb0bU,0x1d5ab367U,0xd25292dbU,0x5633e910U,0x47136dd6U,
  357. 0x618c9ad7U,0x0c7a37a1U,0x148e59f8U,0x3c89eb13U,0x27eecea9U,0xc935b761U,0xe5ede11cU,0xb13c7a47U,
  358. 0xdf599cd2U,0x733f55f2U,0xce791814U,0x37bf73c7U,0xcdea53f7U,0xaa5b5ffdU,0x6f14df3dU,0xdb867844U,
  359. 0xf381caafU,0xc43eb968U,0x342c3824U,0x405fc2a3U,0xc372161dU,0x250cbce2U,0x498b283cU,0x9541ff0dU,
  360. 0x017139a8U,0xb3de080cU,0xe49cd8b4U,0xc1906456U,0x84617bcbU,0xb670d532U,0x5c74486cU,0x5742d0b8U,
  361. };
  362. static const uint32_t Td3[256]={
  363. 0xf4a75051U,0x4165537eU,0x17a4c31aU,0x275e963aU,0xab6bcb3bU,0x9d45f11fU,0xfa58abacU,0xe303934bU,
  364. 0x30fa5520U,0x766df6adU,0xcc769188U,0x024c25f5U,0xe5d7fc4fU,0x2acbd7c5U,0x35448026U,0x62a38fb5U,
  365. 0xb15a49deU,0xba1b6725U,0xea0e9845U,0xfec0e15dU,0x2f7502c3U,0x4cf01281U,0x4697a38dU,0xd3f9c66bU,
  366. 0x8f5fe703U,0x929c9515U,0x6d7aebbfU,0x5259da95U,0xbe832dd4U,0x7421d358U,0xe0692949U,0xc9c8448eU,
  367. 0xc2896a75U,0x8e7978f4U,0x583e6b99U,0xb971dd27U,0xe14fb6beU,0x88ad17f0U,0x20ac66c9U,0xce3ab47dU,
  368. 0xdf4a1863U,0x1a3182e5U,0x51336097U,0x537f4562U,0x6477e0b1U,0x6bae84bbU,0x81a01cfeU,0x082b94f9U,
  369. 0x48685870U,0x45fd198fU,0xde6c8794U,0x7bf8b752U,0x73d323abU,0x4b02e272U,0x1f8f57e3U,0x55ab2a66U,
  370. 0xeb2807b2U,0xb5c2032fU,0xc57b9a86U,0x3708a5d3U,0x2887f230U,0xbfa5b223U,0x036aba02U,0x16825cedU,
  371. 0xcf1c2b8aU,0x79b492a7U,0x07f2f0f3U,0x69e2a14eU,0xdaf4cd65U,0x05bed506U,0x34621fd1U,0xa6fe8ac4U,
  372. 0x2e539d34U,0xf355a0a2U,0x8ae13205U,0xf6eb75a4U,0x83ec390bU,0x60efaa40U,0x719f065eU,0x6e1051bdU,
  373. 0x218af93eU,0xdd063d96U,0x3e05aeddU,0xe6bd464dU,0x548db591U,0xc45d0571U,0x06d46f04U,0x5015ff60U,
  374. 0x98fb2419U,0xbde997d6U,0x4043cc89U,0xd99e7767U,0xe842bdb0U,0x898b8807U,0x195b38e7U,0xc8eedb79U,
  375. 0x7c0a47a1U,0x420fe97cU,0x841ec9f8U,0x00000000U,0x80868309U,0x2bed4832U,0x1170ac1eU,0x5a724e6cU,
  376. 0x0efffbfdU,0x8538560fU,0xaed51e3dU,0x2d392736U,0x0fd9640aU,0x5ca62168U,0x5b54d19bU,0x362e3a24U,
  377. 0x0a67b10cU,0x57e70f93U,0xee96d2b4U,0x9b919e1bU,0xc0c54f80U,0xdc20a261U,0x774b695aU,0x121a161cU,
  378. 0x93ba0ae2U,0xa02ae5c0U,0x22e0433cU,0x1b171d12U,0x090d0b0eU,0x8bc7adf2U,0xb6a8b92dU,0x1ea9c814U,
  379. 0xf1198557U,0x75074cafU,0x99ddbbeeU,0x7f60fda3U,0x01269ff7U,0x72f5bc5cU,0x663bc544U,0xfb7e345bU,
  380. 0x4329768bU,0x23c6dccbU,0xedfc68b6U,0xe4f163b8U,0x31dccad7U,0x63851042U,0x97224013U,0xc6112084U,
  381. 0x4a247d85U,0xbb3df8d2U,0xf93211aeU,0x29a16dc7U,0x9e2f4b1dU,0xb230f3dcU,0x8652ec0dU,0xc1e3d077U,
  382. 0xb3166c2bU,0x70b999a9U,0x9448fa11U,0xe9642247U,0xfc8cc4a8U,0xf03f1aa0U,0x7d2cd856U,0x3390ef22U,
  383. 0x494ec787U,0x38d1c1d9U,0xcaa2fe8cU,0xd40b3698U,0xf581cfa6U,0x7ade28a5U,0xb78e26daU,0xadbfa43fU,
  384. 0x3a9de42cU,0x78920d50U,0x5fcc9b6aU,0x7e466254U,0x8d13c2f6U,0xd8b8e890U,0x39f75e2eU,0xc3aff582U,
  385. 0x5d80be9fU,0xd0937c69U,0xd52da96fU,0x2512b3cfU,0xac993bc8U,0x187da710U,0x9c636ee8U,0x3bbb7bdbU,
  386. 0x267809cdU,0x5918f46eU,0x9ab701ecU,0x4f9aa883U,0x956e65e6U,0xffe67eaaU,0xbccf0821U,0x15e8e6efU,
  387. 0xe79bd9baU,0x6f36ce4aU,0x9f09d4eaU,0xb07cd629U,0xa4b2af31U,0x3f23312aU,0xa59430c6U,0xa266c035U,
  388. 0x4ebc3774U,0x82caa6fcU,0x90d0b0e0U,0xa7d81533U,0x04984af1U,0xecdaf741U,0xcd500e7fU,0x91f62f17U,
  389. 0x4dd68d76U,0xefb04d43U,0xaa4d54ccU,0x9604dfe4U,0xd1b5e39eU,0x6a881b4cU,0x2c1fb8c1U,0x65517f46U,
  390. 0x5eea049dU,0x8c355d01U,0x877473faU,0x0b412efbU,0x671d5ab3U,0xdbd25292U,0x105633e9U,0xd647136dU,
  391. 0xd7618c9aU,0xa10c7a37U,0xf8148e59U,0x133c89ebU,0xa927eeceU,0x61c935b7U,0x1ce5ede1U,0x47b13c7aU,
  392. 0xd2df599cU,0xf2733f55U,0x14ce7918U,0xc737bf73U,0xf7cdea53U,0xfdaa5b5fU,0x3d6f14dfU,0x44db8678U,
  393. 0xaff381caU,0x68c43eb9U,0x24342c38U,0xa3405fc2U,0x1dc37216U,0xe2250cbcU,0x3c498b28U,0x0d9541ffU,
  394. 0xa8017139U,0x0cb3de08U,0xb4e49cd8U,0x56c19064U,0xcb84617bU,0x32b670d5U,0x6c5c7448U,0xb85742d0U,
  395. };
  396. static const uint8_t Td4[256]={
  397. 0x52U,0x09U,0x6aU,0xd5U,0x30U,0x36U,0xa5U,0x38U,0xbfU,0x40U,0xa3U,0x9eU,0x81U,0xf3U,0xd7U,0xfbU,
  398. 0x7cU,0xe3U,0x39U,0x82U,0x9bU,0x2fU,0xffU,0x87U,0x34U,0x8eU,0x43U,0x44U,0xc4U,0xdeU,0xe9U,0xcbU,
  399. 0x54U,0x7bU,0x94U,0x32U,0xa6U,0xc2U,0x23U,0x3dU,0xeeU,0x4cU,0x95U,0x0bU,0x42U,0xfaU,0xc3U,0x4eU,
  400. 0x08U,0x2eU,0xa1U,0x66U,0x28U,0xd9U,0x24U,0xb2U,0x76U,0x5bU,0xa2U,0x49U,0x6dU,0x8bU,0xd1U,0x25U,
  401. 0x72U,0xf8U,0xf6U,0x64U,0x86U,0x68U,0x98U,0x16U,0xd4U,0xa4U,0x5cU,0xccU,0x5dU,0x65U,0xb6U,0x92U,
  402. 0x6cU,0x70U,0x48U,0x50U,0xfdU,0xedU,0xb9U,0xdaU,0x5eU,0x15U,0x46U,0x57U,0xa7U,0x8dU,0x9dU,0x84U,
  403. 0x90U,0xd8U,0xabU,0x00U,0x8cU,0xbcU,0xd3U,0x0aU,0xf7U,0xe4U,0x58U,0x05U,0xb8U,0xb3U,0x45U,0x06U,
  404. 0xd0U,0x2cU,0x1eU,0x8fU,0xcaU,0x3fU,0x0fU,0x02U,0xc1U,0xafU,0xbdU,0x03U,0x01U,0x13U,0x8aU,0x6bU,
  405. 0x3aU,0x91U,0x11U,0x41U,0x4fU,0x67U,0xdcU,0xeaU,0x97U,0xf2U,0xcfU,0xceU,0xf0U,0xb4U,0xe6U,0x73U,
  406. 0x96U,0xacU,0x74U,0x22U,0xe7U,0xadU,0x35U,0x85U,0xe2U,0xf9U,0x37U,0xe8U,0x1cU,0x75U,0xdfU,0x6eU,
  407. 0x47U,0xf1U,0x1aU,0x71U,0x1dU,0x29U,0xc5U,0x89U,0x6fU,0xb7U,0x62U,0x0eU,0xaaU,0x18U,0xbeU,0x1bU,
  408. 0xfcU,0x56U,0x3eU,0x4bU,0xc6U,0xd2U,0x79U,0x20U,0x9aU,0xdbU,0xc0U,0xfeU,0x78U,0xcdU,0x5aU,0xf4U,
  409. 0x1fU,0xddU,0xa8U,0x33U,0x88U,0x07U,0xc7U,0x31U,0xb1U,0x12U,0x10U,0x59U,0x27U,0x80U,0xecU,0x5fU,
  410. 0x60U,0x51U,0x7fU,0xa9U,0x19U,0xb5U,0x4aU,0x0dU,0x2dU,0xe5U,0x7aU,0x9fU,0x93U,0xc9U,0x9cU,0xefU,
  411. 0xa0U,0xe0U,0x3bU,0x4dU,0xaeU,0x2aU,0xf5U,0xb0U,0xc8U,0xebU,0xbbU,0x3cU,0x83U,0x53U,0x99U,0x61U,
  412. 0x17U,0x2bU,0x04U,0x7eU,0xbaU,0x77U,0xd6U,0x26U,0xe1U,0x69U,0x14U,0x63U,0x55U,0x21U,0x0cU,0x7dU,
  413. };
  414. static const uint32_t rcon[]={
  415. 0x01000000,0x02000000,0x04000000,0x08000000,0x10000000,0x20000000,0x40000000,0x80000000,0x1B000000
  416. };
  417. #else
  418. #include <openssl/modes.h>
  419. #endif
  420. /*** ----- SQLite3 SEE implementation ----- ***/
  421. /* internal variables */
  422. #ifndef HEADER_AES_H
  423. uint32_t sqlite3aes_erd[4*15],sqlite3aes_drd[4*15];
  424. #else
  425. uint8_t sqlite3aes_key[32];
  426. #endif
  427. uint8_t sqlite3aes_iv[16], sqlite3aes_hasKey=0;
  428. /* structure to hold block data */
  429. typedef struct {
  430. int pageSize;
  431. uint8_t *data;
  432. } sqlite3aes_t;
  433. /**
  434. * Encryption / decryption pager callback
  435. */
  436. void *sqlite3aes_codec(void *pArg, void *data, Pgno nPageNum, int nMode)
  437. {
  438. sqlite3aes_t *blk=(sqlite3aes_t *)pArg;
  439. uint32_t l;
  440. unsigned char ivec[16];
  441. #ifndef HEADER_AES_H
  442. uint32_t rd[4*15],*rk=rd,n,s0,s1,s2,s3,t0,t1,t2,t3;
  443. unsigned char *iv=ivec,c[sizeof(ivec)],d,*in=data,*out=data;
  444. #else
  445. AES_KEY key;
  446. #endif
  447. if(sqlite3aes_hasKey && blk && blk->pageSize>0) {
  448. l=blk->pageSize;
  449. memcpy(ivec,sqlite3aes_iv,sizeof(ivec));
  450. switch(nMode) {
  451. case 0: /* undo journal enc */
  452. case 2: /* reload page */
  453. case 3: /* load page */
  454. /* decrypt in place */
  455. #ifndef HEADER_AES_H
  456. memcpy(&rd,&sqlite3aes_drd,sizeof(rd));
  457. while(l>=16) {
  458. rk=rd;s0=GETU32(out)^rk[0];s1=GETU32(out+4)^rk[1];s2=GETU32(out+8)^rk[2];s3=GETU32(out+12)^rk[3];
  459. for(n=14>>1;;){
  460. t0=Td0[(s0>>24)]^Td1[(s3>>16)&0xff]^Td2[(s2>>8)&0xff]^Td3[(s1)&0xff]^rk[4];
  461. t1=Td0[(s1>>24)]^Td1[(s0>>16)&0xff]^Td2[(s3>>8)&0xff]^Td3[(s2)&0xff]^rk[5];
  462. t2=Td0[(s2>>24)]^Td1[(s1>>16)&0xff]^Td2[(s0>>8)&0xff]^Td3[(s3)&0xff]^rk[6];
  463. t3=Td0[(s3>>24)]^Td1[(s2>>16)&0xff]^Td2[(s1>>8)&0xff]^Td3[(s0)&0xff]^rk[7];
  464. rk+=8;
  465. if(--n==0) break;
  466. s0=Td0[(t0>>24)]^Td1[(t3>>16)&0xff]^Td2[(t2>>8)&0xff]^Td3[(t1)&0xff]^rk[0];
  467. s1=Td0[(t1>>24)]^Td1[(t0>>16)&0xff]^Td2[(t3>>8)&0xff]^Td3[(t2)&0xff]^rk[1];
  468. s2=Td0[(t2>>24)]^Td1[(t1>>16)&0xff]^Td2[(t0>>8)&0xff]^Td3[(t3)&0xff]^rk[2];
  469. s3=Td0[(t3>>24)]^Td1[(t2>>16)&0xff]^Td2[(t1>>8)&0xff]^Td3[(t0)&0xff]^rk[3];
  470. }
  471. s0=((uint32_t)Td4[(t0>>24)]<<24)^((uint32_t)Td4[(t3>>16)&0xff]<<16)^
  472. ((uint32_t)Td4[(t2>>8)&0xff]<<8)^((uint32_t)Td4[(t1)&0xff])^rk[0];
  473. PUTU32(c,s0);
  474. s1=((uint32_t)Td4[(t1>>24)]<<24)^((uint32_t)Td4[(t0>>16)&0xff]<<16)^
  475. ((uint32_t)Td4[(t3>>8)&0xff]<<8)^((uint32_t)Td4[(t2)&0xff])^rk[1];
  476. PUTU32(c+4,s1);
  477. s2=((uint32_t)Td4[(t2>>24)]<<24)^((uint32_t)Td4[(t1>>16)&0xff]<<16)^
  478. ((uint32_t)Td4[(t0>>8)&0xff]<<8)^((uint32_t)Td4[(t3)&0xff])^rk[2];
  479. PUTU32(c+8,s2);
  480. s3=((uint32_t)Td4[(t3>>24)]<<24)^((uint32_t)Td4[(t2>>16)&0xff]<<16)^
  481. ((uint32_t)Td4[(t1>>8)&0xff]<<8)^((uint32_t)Td4[(t0)&0xff])^rk[3];
  482. PUTU32(c+12,s3);
  483. for(n=0;n<16;n++) {d=out[n];out[n]=c[n]^ivec[n];ivec[n]=d;}
  484. l-=16;
  485. out+=16;
  486. }
  487. #else
  488. AES_set_decrypt_key(sqlite3aes_key,256,&key);
  489. CRYPTO_cbc128_decrypt(data,data,l,&key,ivec,(block128_f)AES_decrypt);
  490. #endif
  491. break;
  492. case 6: /* encrypt main db */
  493. case 7: /* encrypt journal */
  494. /* encypt to blk->data, don't change original block */
  495. #ifndef HEADER_AES_H
  496. memcpy(&rd,&sqlite3aes_erd,sizeof(rd));
  497. out=blk->data;
  498. while(l>=16) {
  499. for(n=0;n<16;n++) out[n]=*in++^iv[n];
  500. rk=rd;s0=GETU32(out)^rk[0];s1=GETU32(out+4)^rk[1];s2=GETU32(out+8)^rk[2];s3=GETU32(out+12)^rk[3];
  501. for(n=14>>1;;) {
  502. t0=Te0[(s0>>24)]^Te1[(s1>>16)&0xff]^Te2[(s2>>8)&0xff]^Te3[(s3)&0xff]^rk[4];
  503. t1=Te0[(s1>>24)]^Te1[(s2>>16)&0xff]^Te2[(s3>>8)&0xff]^Te3[(s0)&0xff]^rk[5];
  504. t2=Te0[(s2>>24)]^Te1[(s3>>16)&0xff]^Te2[(s0>>8)&0xff]^Te3[(s1)&0xff]^rk[6];
  505. t3=Te0[(s3>>24)]^Te1[(s0>>16)&0xff]^Te2[(s1>>8)&0xff]^Te3[(s2)&0xff]^rk[7];
  506. rk+=8;
  507. if(--n==0) break;
  508. s0=Te0[(t0>>24)]^Te1[(t1>>16)&0xff]^Te2[(t2>>8)&0xff]^Te3[(t3)&0xff]^rk[0];
  509. s1=Te0[(t1>>24)]^Te1[(t2>>16)&0xff]^Te2[(t3>>8)&0xff]^Te3[(t0)&0xff]^rk[1];
  510. s2=Te0[(t2>>24)]^Te1[(t3>>16)&0xff]^Te2[(t0>>8)&0xff]^Te3[(t1)&0xff]^rk[2];
  511. s3=Te0[(t3>>24)]^Te1[(t0>>16)&0xff]^Te2[(t1>>8)&0xff]^Te3[(t2)&0xff]^rk[3];
  512. }
  513. s0=(Te2[(t0>>24)]&0xff000000)^(Te3[(t1>>16)&0xff]&0x00ff0000)^
  514. (Te0[(t2>>8)&0xff]&0x0000ff00)^(Te1[(t3)&0xff]&0x000000ff)^rk[0];
  515. PUTU32(out,s0);
  516. s1=(Te2[(t1>>24)]&0xff000000)^(Te3[(t2>>16)&0xff]&0x00ff0000)^
  517. (Te0[(t3>>8)&0xff]&0x0000ff00)^(Te1[(t0)&0xff]&0x000000ff)^rk[1];
  518. PUTU32(out+4,s1);
  519. s2=(Te2[(t2>>24)]&0xff000000)^(Te3[(t3>>16)&0xff]&0x00ff0000)^
  520. (Te0[(t0>>8)&0xff]&0x0000ff00)^(Te1[(t1)&0xff]&0x000000ff)^rk[2];
  521. PUTU32(out+8,s2);
  522. s3=(Te2[(t3>>24)]&0xff000000)^(Te3[(t0>>16)&0xff]&0x00ff0000)^
  523. (Te0[(t1>>8)&0xff]&0x0000ff00)^(Te1[(t2)&0xff]&0x000000ff)^rk[3];
  524. PUTU32(out+12,s3);
  525. iv=out;
  526. l-=16;
  527. out+=16;
  528. }
  529. #else
  530. AES_set_encrypt_key(sqlite3aes_key,256,&key);
  531. CRYPTO_cbc128_encrypt(data,blk->data,l,&key,ivec,(block128_f)AES_encrypt);
  532. #endif
  533. data=blk->data;
  534. break;
  535. }
  536. }
  537. return data;
  538. }
  539. /**
  540. * Set or change the size of the codec block
  541. */
  542. void sqlite3aes_pagesize(void *pArg, int pageSize, int reservedSize)
  543. {
  544. sqlite3aes_t *blk=(sqlite3aes_t*)pArg;
  545. blk->pageSize=pageSize;
  546. blk->data=sqlite3_realloc(blk->data,pageSize);
  547. }
  548. /**
  549. * Free a block
  550. */
  551. static void sqlite3aes_freeblk(void *pArg)
  552. {
  553. sqlite3aes_t *blk=(sqlite3aes_t*)pArg;
  554. if(blk->data) sqlite3_free(blk->data);
  555. blk->data=NULL;
  556. sqlite3_free(blk);
  557. }
  558. /**
  559. * Attach codec to the database
  560. */
  561. int sqlite3CodecAttach(sqlite3 *db,int nDb,const void *pKey, int nKey)
  562. {
  563. sqlite3aes_t *blk;
  564. Pager *p=sqlite3BtreePager(db->aDb[nDb].pBt);
  565. if(!p) return SQLITE_NOMEM;
  566. blk=sqlite3_malloc(sizeof(sqlite3aes_t));
  567. if(!blk) return SQLITE_NOMEM;
  568. memset(blk,0,sizeof(sqlite3aes_t));
  569. sqlite3PagerSetCodec(p,sqlite3aes_codec,sqlite3aes_pagesize,sqlite3aes_freeblk,blk);
  570. return sqlite3PagerState(p);
  571. }
  572. /**
  573. * Should return the key. We can't :-)
  574. */
  575. void sqlite3CodecGetKey(sqlite3 *db, int nDb, void **ppKey, int *pnKey)
  576. {
  577. if(ppKey && pnKey) { *ppKey=0; *pnKey=1; }
  578. }
  579. /**
  580. * Set the key for encryption
  581. */
  582. SQLITE_API int sqlite3_key_v2(sqlite3 *db, const char *zDbName, const void *pKey, int nKey)
  583. {
  584. char salt[]=SQLITE3AES_SALT;
  585. SHA256_CTX ctx;
  586. unsigned char chk[32];
  587. #ifndef HEADER_AES_H
  588. uint32_t i=0,j=0,t,*rk;
  589. #endif
  590. if(!pKey || nKey<1) return SQLITE_OK;
  591. if(!sqlite3aes_hasKey) {
  592. SHA256_Init(&ctx);
  593. SHA256_Update(&ctx,salt,strlen(salt));
  594. SHA256_Update(&ctx,pKey,nKey);
  595. SHA256_Final(chk,&ctx);
  596. memcpy(sqlite3aes_iv,chk+(chk[3]&0xF),16);
  597. SHA256_Init(&ctx);
  598. SHA256_Update(&ctx,salt,strlen(salt));
  599. SHA256_Update(&ctx,chk,32);
  600. #ifndef HEADER_AES_H
  601. SHA256_Final(chk,&ctx);
  602. /* calculate the round keys in advance to speed up execution */
  603. rk=sqlite3aes_erd;
  604. rk[0]=GETU32(chk );rk[1]=GETU32(chk+ 4);rk[2]=GETU32(chk+ 8);rk[3]=GETU32(chk+12);
  605. rk[4]=GETU32(chk+16);rk[5]=GETU32(chk+20);rk[6]=GETU32(chk+24);rk[7]=GETU32(chk+28);
  606. while (1) {
  607. t=rk[7];rk[8]=rk[0]^(Te2[(t>>16)&0xff]&0xff000000)^(Te3[(t>>8)&0xff]&0x00ff0000)^
  608. (Te0[(t)&0xff]&0x0000ff00)^(Te1[(t>>24)]&0x000000ff)^rcon[i];
  609. rk[9]=rk[1]^rk[8];rk[10]=rk[2]^rk[9];rk[11]=rk[3]^rk[10];
  610. if(++i==7) break;
  611. t=rk[11];rk[12]=rk[4]^(Te2[(t>>24)]&0xff000000)^(Te3[(t>>16)&0xff]&0x00ff0000)^
  612. (Te0[(t>>8)&0xff]&0x0000ff00)^(Te1[(t)&0xff]&0x000000ff);
  613. rk[13]=rk[5]^rk[12];rk[14]=rk[6]^rk[13];rk[15]=rk[7]^rk[14];rk+=8;
  614. }
  615. rk=sqlite3aes_drd;
  616. memcpy(rk,&sqlite3aes_erd,sizeof(sqlite3aes_drd));
  617. for(i=0,j=4*14;i<j;i+=4,j-=4) {
  618. t=rk[i];rk[i]=rk[j];rk[j]=t;t=rk[i+1];rk[i+1]=rk[j+1];rk[j+1]=t;
  619. t=rk[i+2];rk[i+2]=rk[j+2];rk[j+2]=t;t=rk[i+3];rk[i+3]=rk[j+3];rk[j+3]=t;
  620. }
  621. for(i=1;i<14;i++) {
  622. rk+=4;
  623. rk[0]=Td0[Te1[(rk[0]>>24)]&0xff]^Td1[Te1[(rk[0]>>16)&0xff]&0xff]^
  624. Td2[Te1[(rk[0]>>8)&0xff]&0xff]^Td3[Te1[(rk[0])&0xff]&0xff];
  625. rk[1]=Td0[Te1[(rk[1]>>24)]&0xff]^Td1[Te1[(rk[1]>>16)&0xff]&0xff]^
  626. Td2[Te1[(rk[1]>>8)&0xff]&0xff]^Td3[Te1[(rk[1])&0xff]&0xff];
  627. rk[2]=Td0[Te1[(rk[2]>>24)]&0xff]^Td1[Te1[(rk[2]>>16)&0xff]&0xff]^
  628. Td2[Te1[(rk[2]>>8)&0xff]&0xff]^Td3[Te1[(rk[2])&0xff]&0xff];
  629. rk[3]=Td0[Te1[(rk[3]>>24)]&0xff]^Td1[Te1[(rk[3]>>16)&0xff]&0xff]^
  630. Td2[Te1[(rk[3]>>8)&0xff]&0xff]^Td3[Te1[(rk[3])&0xff]&0xff];
  631. }
  632. #else
  633. SHA256_Final(sqlite3aes_key,&ctx);
  634. #endif
  635. sqlite3aes_hasKey=1;
  636. }
  637. return sqlite3CodecAttach(db,0,pKey,nKey);
  638. }
  639. /**
  640. * we don't want encrypting / decrypting the entire database
  641. */
  642. SQLITE_API int sqlite3_rekey_v2(sqlite3 *db, const char *zDbName, const void *pKey, int nKey)
  643. {
  644. return SQLITE_OK;
  645. }
  646. /**
  647. * we don't need license key either
  648. */
  649. SQLITE_API void sqlite3_activate_see(const char *zPassPhrase)
  650. {
  651. }
  652. #ifdef __cplusplus
  653. }
  654. #endif
  655. #endif /* ifndef SQLITE3AES_SALT */
  656. #endif /* ifndef _SQLITE3AES_H_ */