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/OpenSSL have their own AES functions with the same names in -lcrypto
  14 * (which might be pulled in via curl), so redefine to avoid conflicts. */
  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
  21int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
  22        AES_KEY *key);
  23int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
  24        AES_KEY *key);
  25
  26void AES_encrypt(const unsigned char *in, unsigned char *out,
  27        const AES_KEY *key);
  28void AES_decrypt(const unsigned char *in, unsigned char *out,
  29        const AES_KEY *key);
  30void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
  31                     const unsigned long length, const AES_KEY *key,
  32                     unsigned char *ivec, const int enc);
  33
  34extern const uint8_t AES_sbox[256];
  35extern const uint8_t AES_isbox[256];
  36
  37/* AES ShiftRows and InvShiftRows */
  38extern const uint8_t AES_shifts[16];
  39extern const uint8_t AES_ishifts[16];
  40
  41/* AES InvMixColumns */
  42/* AES_imc[x][0] = [x].[0e, 09, 0d, 0b]; */
  43/* AES_imc[x][1] = [x].[0b, 0e, 09, 0d]; */
  44/* AES_imc[x][2] = [x].[0d, 0b, 0e, 09]; */
  45/* AES_imc[x][3] = [x].[09, 0d, 0b, 0e]; */
  46extern const uint32_t AES_imc[256][4];
  47
  48/*
  49AES_Te0[x] = S [x].[02, 01, 01, 03];
  50AES_Te1[x] = S [x].[03, 02, 01, 01];
  51AES_Te2[x] = S [x].[01, 03, 02, 01];
  52AES_Te3[x] = S [x].[01, 01, 03, 02];
  53AES_Te4[x] = S [x].[01, 01, 01, 01];
  54
  55AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
  56AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
  57AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
  58AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
  59AES_Td4[x] = Si[x].[01, 01, 01, 01];
  60*/
  61
  62extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
  63                      AES_Te3[256], AES_Te4[256];
  64extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
  65                      AES_Td3[256], AES_Td4[256];
  66
  67#endif
  68