include/crypto/aes.h

   1 #ifndef QEMU_AES_H
   2 #define QEMU_AES_H
   3
   4 #define AES_MAXNR 14
   5 #define AES_BLOCK_SIZE 16
   6
   7 struct aes_key_st {
   8     uint32_t rd_key[4 *(AES_MAXNR + 1)];
   9     int rounds;
  10 };
  11 typedef struct aes_key_st AES_KEY;
  12
  13 /* FreeBSD has its own AES_set_decrypt_key in -lcrypto, avoid conflicts */
  14 #ifdef __FreeBSD__
  15 #define AES_set_encrypt_key QEMU_AES_set_encrypt_key
  16 #define AES_set_decrypt_key QEMU_AES_set_decrypt_key
  17 #define AES_encrypt QEMU_AES_encrypt
  18 #define AES_decrypt QEMU_AES_decrypt
  19 #define AES_cbc_encrypt QEMU_AES_cbc_encrypt
  20 #endif
  21
  22 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
  23         AES_KEY *key);
  24 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
  25         AES_KEY *key);
  26
  27 void AES_encrypt(const unsigned char *in, unsigned char *out,
  28         const AES_KEY *key);
  29 void AES_decrypt(const unsigned char *in, unsigned char *out,
  30         const AES_KEY *key);
  31 void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
  32                      const unsigned long length, const AES_KEY *key,
  33                      unsigned char *ivec, const int enc);
  34
  35 extern const uint8_t AES_sbox[256];
  36 extern const uint8_t AES_isbox[256];
  37
  38 /* AES ShiftRows and InvShiftRows */
  39 extern const uint8_t AES_shifts[16];
  40 extern const uint8_t AES_ishifts[16];
  41
  42 /* AES InvMixColumns */
  43 /* AES_imc[x][0] = [x].[0e, 09, 0d, 0b]; */
  44 /* AES_imc[x][1] = [x].[0b, 0e, 09, 0d]; */
  45 /* AES_imc[x][2] = [x].[0d, 0b, 0e, 09]; */
  46 /* AES_imc[x][3] = [x].[09, 0d, 0b, 0e]; */
  47 extern const uint32_t AES_imc[256][4];
  48
  49 /*
  50 AES_Te0[x] = S [x].[02, 01, 01, 03];
  51 AES_Te1[x] = S [x].[03, 02, 01, 01];
  52 AES_Te2[x] = S [x].[01, 03, 02, 01];
  53 AES_Te3[x] = S [x].[01, 01, 03, 02];
  54 AES_Te4[x] = S [x].[01, 01, 01, 01];
  55
  56 AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
  57 AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
  58 AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
  59 AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
  60 AES_Td4[x] = Si[x].[01, 01, 01, 01];
  61 */
  62
  63 extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
  64                       AES_Te3[256], AES_Te4[256];
  65 extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
  66                       AES_Td3[256], AES_Td4[256];
  67
  68 #endif