xref: /openbmc/qemu/include/crypto/aes.h (revision f8ed3648)
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/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 
20 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
21                         AES_KEY *key);
22 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
23                         AES_KEY *key);
24 
25 void AES_encrypt(const unsigned char *in, unsigned char *out,
26                  const AES_KEY *key);
27 void AES_decrypt(const unsigned char *in, unsigned char *out,
28                  const AES_KEY *key);
29 
30 extern const uint8_t AES_sbox[256];
31 extern const uint8_t AES_isbox[256];
32 
33 /* AES ShiftRows and InvShiftRows */
34 extern const uint8_t AES_shifts[16];
35 extern const uint8_t AES_ishifts[16];
36 
37 /* AES InvMixColumns */
38 /* AES_imc[x][0] = [x].[0e, 09, 0d, 0b]; */
39 /* AES_imc[x][1] = [x].[0b, 0e, 09, 0d]; */
40 /* AES_imc[x][2] = [x].[0d, 0b, 0e, 09]; */
41 /* AES_imc[x][3] = [x].[09, 0d, 0b, 0e]; */
42 extern const uint32_t AES_imc[256][4];
43 
44 /*
45 AES_Te0[x] = S [x].[02, 01, 01, 03];
46 AES_Te1[x] = S [x].[03, 02, 01, 01];
47 AES_Te2[x] = S [x].[01, 03, 02, 01];
48 AES_Te3[x] = S [x].[01, 01, 03, 02];
49 AES_Te4[x] = S [x].[01, 01, 01, 01];
50 
51 AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
52 AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
53 AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
54 AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
55 AES_Td4[x] = Si[x].[01, 01, 01, 01];
56 */
57 
58 extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
59                       AES_Te3[256], AES_Te4[256];
60 extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
61                       AES_Td3[256], AES_Td4[256];
62 
63 #endif
64