test.c 7.2 KB

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  1. #include <stdio.h>
  2. #include <string.h>
  3. #include <stdint.h>
  4. // Enable both ECB and CBC mode. Note this can be done before including aes.h or at compile-time.
  5. // E.g. with GCC by using the -D flag: gcc -c aes.c -DCBC=0 -DECB=1
  6. #define CBC 1
  7. #define ECB 1
  8. #include "aes.h"
  9. static void phex(uint8_t* str);
  10. static void test_encrypt_ecb(void);
  11. static void test_decrypt_ecb(void);
  12. static void test_encrypt_ecb_verbose(void);
  13. static void test_encrypt_cbc(void);
  14. static void test_decrypt_cbc(void);
  15. int main(void)
  16. {
  17. test_encrypt_cbc();
  18. test_decrypt_cbc();
  19. test_decrypt_ecb();
  20. test_encrypt_ecb();
  21. test_encrypt_ecb_verbose();
  22. return 0;
  23. }
  24. // prints string as hex
  25. static void phex(uint8_t* str)
  26. {
  27. unsigned char i;
  28. for(i = 0; i < 16; ++i)
  29. printf("%.2x", str[i]);
  30. printf("\n");
  31. }
  32. static void test_encrypt_ecb_verbose(void)
  33. {
  34. // Example of more verbose verification
  35. uint8_t i, buf[64], buf2[64];
  36. // 128bit key
  37. uint8_t key[16] = { (uint8_t) 0x2b, (uint8_t) 0x7e, (uint8_t) 0x15, (uint8_t) 0x16, (uint8_t) 0x28, (uint8_t) 0xae, (uint8_t) 0xd2, (uint8_t) 0xa6, (uint8_t) 0xab, (uint8_t) 0xf7, (uint8_t) 0x15, (uint8_t) 0x88, (uint8_t) 0x09, (uint8_t) 0xcf, (uint8_t) 0x4f, (uint8_t) 0x3c };
  38. // 512bit text
  39. uint8_t plain_text[64] = { (uint8_t) 0x6b, (uint8_t) 0xc1, (uint8_t) 0xbe, (uint8_t) 0xe2, (uint8_t) 0x2e, (uint8_t) 0x40, (uint8_t) 0x9f, (uint8_t) 0x96, (uint8_t) 0xe9, (uint8_t) 0x3d, (uint8_t) 0x7e, (uint8_t) 0x11, (uint8_t) 0x73, (uint8_t) 0x93, (uint8_t) 0x17, (uint8_t) 0x2a,
  40. (uint8_t) 0xae, (uint8_t) 0x2d, (uint8_t) 0x8a, (uint8_t) 0x57, (uint8_t) 0x1e, (uint8_t) 0x03, (uint8_t) 0xac, (uint8_t) 0x9c, (uint8_t) 0x9e, (uint8_t) 0xb7, (uint8_t) 0x6f, (uint8_t) 0xac, (uint8_t) 0x45, (uint8_t) 0xaf, (uint8_t) 0x8e, (uint8_t) 0x51,
  41. (uint8_t) 0x30, (uint8_t) 0xc8, (uint8_t) 0x1c, (uint8_t) 0x46, (uint8_t) 0xa3, (uint8_t) 0x5c, (uint8_t) 0xe4, (uint8_t) 0x11, (uint8_t) 0xe5, (uint8_t) 0xfb, (uint8_t) 0xc1, (uint8_t) 0x19, (uint8_t) 0x1a, (uint8_t) 0x0a, (uint8_t) 0x52, (uint8_t) 0xef,
  42. (uint8_t) 0xf6, (uint8_t) 0x9f, (uint8_t) 0x24, (uint8_t) 0x45, (uint8_t) 0xdf, (uint8_t) 0x4f, (uint8_t) 0x9b, (uint8_t) 0x17, (uint8_t) 0xad, (uint8_t) 0x2b, (uint8_t) 0x41, (uint8_t) 0x7b, (uint8_t) 0xe6, (uint8_t) 0x6c, (uint8_t) 0x37, (uint8_t) 0x10 };
  43. memset(buf, 0, 64);
  44. memset(buf2, 0, 64);
  45. // print text to encrypt, key and IV
  46. printf("ECB encrypt verbose:\n\n");
  47. printf("plain text:\n");
  48. for(i = (uint8_t) 0; i < (uint8_t) 4; ++i)
  49. {
  50. phex(plain_text + i * (uint8_t) 16);
  51. }
  52. printf("\n");
  53. printf("key:\n");
  54. phex(key);
  55. printf("\n");
  56. // print the resulting cipher as 4 x 16 byte strings
  57. printf("ciphertext:\n");
  58. for(i = 0; i < 4; ++i)
  59. {
  60. AES128_ECB_encrypt(plain_text + (i*16), key, buf+(i*16));
  61. phex(buf + (i*16));
  62. }
  63. printf("\n");
  64. }
  65. static void test_encrypt_ecb(void)
  66. {
  67. uint8_t key[] = {0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c};
  68. uint8_t in[] = {0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a};
  69. uint8_t out[] = {0x3a, 0xd7, 0x7b, 0xb4, 0x0d, 0x7a, 0x36, 0x60, 0xa8, 0x9e, 0xca, 0xf3, 0x24, 0x66, 0xef, 0x97};
  70. uint8_t buffer[16];
  71. AES128_ECB_encrypt(in, key, buffer);
  72. printf("ECB decrypt: ");
  73. if(0 == memcmp((char*) out, (char*) buffer, 16))
  74. {
  75. printf("SUCCESS!\n");
  76. }
  77. else
  78. {
  79. printf("FAILURE!\n");
  80. }
  81. }
  82. static void test_decrypt_cbc(void)
  83. {
  84. // Example "simulating" a smaller buffer...
  85. uint8_t key[] = { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
  86. uint8_t iv[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f };
  87. uint8_t in[] = { 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46, 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d,
  88. 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee, 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2,
  89. 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b, 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16,
  90. 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09, 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7 };
  91. uint8_t out[] = { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
  92. 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
  93. 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
  94. 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 };
  95. uint8_t buffer[64];
  96. AES128_CBC_decrypt_buffer(buffer+0, in+0, 16, key, iv);
  97. AES128_CBC_decrypt_buffer(buffer+16, in+16, 16, 0, 0);
  98. AES128_CBC_decrypt_buffer(buffer+32, in+32, 16, 0, 0);
  99. AES128_CBC_decrypt_buffer(buffer+48, in+48, 16, 0, 0);
  100. printf("CBC decrypt: ");
  101. if(0 == memcmp((char*) out, (char*) buffer, 64))
  102. {
  103. printf("SUCCESS!\n");
  104. }
  105. else
  106. {
  107. printf("FAILURE!\n");
  108. }
  109. }
  110. static void test_encrypt_cbc(void)
  111. {
  112. uint8_t key[] = { 0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c };
  113. uint8_t iv[] = { 0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f };
  114. uint8_t in[] = { 0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a,
  115. 0xae, 0x2d, 0x8a, 0x57, 0x1e, 0x03, 0xac, 0x9c, 0x9e, 0xb7, 0x6f, 0xac, 0x45, 0xaf, 0x8e, 0x51,
  116. 0x30, 0xc8, 0x1c, 0x46, 0xa3, 0x5c, 0xe4, 0x11, 0xe5, 0xfb, 0xc1, 0x19, 0x1a, 0x0a, 0x52, 0xef,
  117. 0xf6, 0x9f, 0x24, 0x45, 0xdf, 0x4f, 0x9b, 0x17, 0xad, 0x2b, 0x41, 0x7b, 0xe6, 0x6c, 0x37, 0x10 };
  118. uint8_t out[] = { 0x76, 0x49, 0xab, 0xac, 0x81, 0x19, 0xb2, 0x46, 0xce, 0xe9, 0x8e, 0x9b, 0x12, 0xe9, 0x19, 0x7d,
  119. 0x50, 0x86, 0xcb, 0x9b, 0x50, 0x72, 0x19, 0xee, 0x95, 0xdb, 0x11, 0x3a, 0x91, 0x76, 0x78, 0xb2,
  120. 0x73, 0xbe, 0xd6, 0xb8, 0xe3, 0xc1, 0x74, 0x3b, 0x71, 0x16, 0xe6, 0x9e, 0x22, 0x22, 0x95, 0x16,
  121. 0x3f, 0xf1, 0xca, 0xa1, 0x68, 0x1f, 0xac, 0x09, 0x12, 0x0e, 0xca, 0x30, 0x75, 0x86, 0xe1, 0xa7 };
  122. uint8_t buffer[64];
  123. AES128_CBC_encrypt_buffer(buffer, in, 64, key, iv);
  124. printf("CBC encrypt: ");
  125. if(0 == memcmp((char*) out, (char*) buffer, 64))
  126. {
  127. printf("SUCCESS!\n");
  128. }
  129. else
  130. {
  131. printf("FAILURE!\n");
  132. }
  133. }
  134. static void test_decrypt_ecb(void)
  135. {
  136. uint8_t key[] = {0x2b, 0x7e, 0x15, 0x16, 0x28, 0xae, 0xd2, 0xa6, 0xab, 0xf7, 0x15, 0x88, 0x09, 0xcf, 0x4f, 0x3c};
  137. uint8_t in[] = {0x3a, 0xd7, 0x7b, 0xb4, 0x0d, 0x7a, 0x36, 0x60, 0xa8, 0x9e, 0xca, 0xf3, 0x24, 0x66, 0xef, 0x97};
  138. uint8_t out[] = {0x6b, 0xc1, 0xbe, 0xe2, 0x2e, 0x40, 0x9f, 0x96, 0xe9, 0x3d, 0x7e, 0x11, 0x73, 0x93, 0x17, 0x2a};
  139. uint8_t buffer[16];
  140. AES128_ECB_decrypt(in, key, buffer);
  141. printf("ECB decrypt: ");
  142. if(0 == memcmp((char*) out, (char*) buffer, 16))
  143. {
  144. printf("SUCCESS!\n");
  145. }
  146. else
  147. {
  148. printf("FAILURE!\n");
  149. }
  150. }