xref: /openbmc/qemu/include/crypto/aes.h (revision da3c22c7)
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 /*
34 AES_Te0[x] = S [x].[02, 01, 01, 03];
35 AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
36 */
37 
38 extern const uint32_t AES_Te0[256], AES_Td0[256];
39 
40 #endif
41