xref: /qemu/include/crypto/aes.h (revision 6402cbbb)
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 #define AES_cbc_encrypt QEMU_AES_cbc_encrypt
20 
21 int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
22 	AES_KEY *key);
23 int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
24 	AES_KEY *key);
25 
26 void AES_encrypt(const unsigned char *in, unsigned char *out,
27 	const AES_KEY *key);
28 void AES_decrypt(const unsigned char *in, unsigned char *out,
29 	const AES_KEY *key);
30 void 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 
34 extern const uint8_t AES_sbox[256];
35 extern const uint8_t AES_isbox[256];
36 
37 /* AES ShiftRows and InvShiftRows */
38 extern const uint8_t AES_shifts[16];
39 extern 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]; */
46 extern const uint32_t AES_imc[256][4];
47 
48 /*
49 AES_Te0[x] = S [x].[02, 01, 01, 03];
50 AES_Te1[x] = S [x].[03, 02, 01, 01];
51 AES_Te2[x] = S [x].[01, 03, 02, 01];
52 AES_Te3[x] = S [x].[01, 01, 03, 02];
53 AES_Te4[x] = S [x].[01, 01, 01, 01];
54 
55 AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
56 AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
57 AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
58 AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
59 AES_Td4[x] = Si[x].[01, 01, 01, 01];
60 */
61 
62 extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
63                       AES_Te3[256], AES_Te4[256];
64 extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
65                       AES_Td3[256], AES_Td4[256];
66 
67 #endif
68