LXR qemu/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
   7struct aes_key_st {
   8    uint32_t rd_key[4 *(AES_MAXNR + 1)];
   9    int rounds;
  10};
  11typedef 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
  22int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
  23        AES_KEY *key);
  24int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
  25        AES_KEY *key);
  26
  27void AES_encrypt(const unsigned char *in, unsigned char *out,
  28        const AES_KEY *key);
  29void AES_decrypt(const unsigned char *in, unsigned char *out,
  30        const AES_KEY *key);
  31void 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
  35extern const uint8_t AES_sbox[256];
  36extern const uint8_t AES_isbox[256];
  37
  38/* AES ShiftRows and InvShiftRows */
  39extern const uint8_t AES_shifts[16];
  40extern 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]; */
  47extern const uint32_t AES_imc[256][4];
  48
  49/*
  50AES_Te0[x] = S [x].[02, 01, 01, 03];
  51AES_Te1[x] = S [x].[03, 02, 01, 01];
  52AES_Te2[x] = S [x].[01, 03, 02, 01];
  53AES_Te3[x] = S [x].[01, 01, 03, 02];
  54AES_Te4[x] = S [x].[01, 01, 01, 01];
  55
  56AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
  57AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
  58AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
  59AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
  60AES_Td4[x] = Si[x].[01, 01, 01, 01];
  61*/
  62
  63extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
  64                      AES_Te3[256], AES_Te4[256];
  65extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
  66                      AES_Td3[256], AES_Td4[256];
  67
  68#endif
  69