xref: /qemu/include/crypto/aes.h (revision c8d70e59738e672021926c7747af8ef9dea15c82)
1e4d4fe3cSbellard #ifndef QEMU_AES_H
2e4d4fe3cSbellard #define QEMU_AES_H
3e4d4fe3cSbellard 
4e4d4fe3cSbellard #define AES_MAXNR 14
5e4d4fe3cSbellard #define AES_BLOCK_SIZE 16
6e4d4fe3cSbellard 
7e4d4fe3cSbellard struct aes_key_st {
8e4d4fe3cSbellard     uint32_t rd_key[4 *(AES_MAXNR + 1)];
9e4d4fe3cSbellard     int rounds;
10e4d4fe3cSbellard };
11e4d4fe3cSbellard typedef struct aes_key_st AES_KEY;
12e4d4fe3cSbellard 
13*c8d70e59SMike Frysinger /* FreeBSD/OpenSSL have their own AES functions with the same names in -lcrypto
14*c8d70e59SMike Frysinger  * (which might be pulled in via curl), so redefine to avoid conflicts. */
159f6f7f1aSSean Bruno #define AES_set_encrypt_key QEMU_AES_set_encrypt_key
169f6f7f1aSSean Bruno #define AES_set_decrypt_key QEMU_AES_set_decrypt_key
179f6f7f1aSSean Bruno #define AES_encrypt QEMU_AES_encrypt
189f6f7f1aSSean Bruno #define AES_decrypt QEMU_AES_decrypt
199f6f7f1aSSean Bruno #define AES_cbc_encrypt QEMU_AES_cbc_encrypt
209f6f7f1aSSean Bruno 
21e4d4fe3cSbellard int AES_set_encrypt_key(const unsigned char *userKey, const int bits,
22e4d4fe3cSbellard 	AES_KEY *key);
23e4d4fe3cSbellard int AES_set_decrypt_key(const unsigned char *userKey, const int bits,
24e4d4fe3cSbellard 	AES_KEY *key);
25e4d4fe3cSbellard 
26e4d4fe3cSbellard void AES_encrypt(const unsigned char *in, unsigned char *out,
27e4d4fe3cSbellard 	const AES_KEY *key);
28e4d4fe3cSbellard void AES_decrypt(const unsigned char *in, unsigned char *out,
29e4d4fe3cSbellard 	const AES_KEY *key);
30e4d4fe3cSbellard void AES_cbc_encrypt(const unsigned char *in, unsigned char *out,
31e4d4fe3cSbellard 		     const unsigned long length, const AES_KEY *key,
32e4d4fe3cSbellard 		     unsigned char *ivec, const int enc);
33e4d4fe3cSbellard 
3440c84b54STom Musta extern const uint8_t AES_sbox[256];
3540c84b54STom Musta extern const uint8_t AES_isbox[256];
3640c84b54STom Musta 
371c1a6d20STom Musta /* AES ShiftRows and InvShiftRows */
381c1a6d20STom Musta extern const uint8_t AES_shifts[16];
391c1a6d20STom Musta extern const uint8_t AES_ishifts[16];
401c1a6d20STom Musta 
41bfd8f5b7STom Musta /* AES InvMixColumns */
42bfd8f5b7STom Musta /* AES_imc[x][0] = [x].[0e, 09, 0d, 0b]; */
43bfd8f5b7STom Musta /* AES_imc[x][1] = [x].[0b, 0e, 09, 0d]; */
44bfd8f5b7STom Musta /* AES_imc[x][2] = [x].[0d, 0b, 0e, 09]; */
45bfd8f5b7STom Musta /* AES_imc[x][3] = [x].[09, 0d, 0b, 0e]; */
46bfd8f5b7STom Musta extern const uint32_t AES_imc[256][4];
47bfd8f5b7STom Musta 
485d6f5cddSAurelien Jarno /*
495d6f5cddSAurelien Jarno AES_Te0[x] = S [x].[02, 01, 01, 03];
505d6f5cddSAurelien Jarno AES_Te1[x] = S [x].[03, 02, 01, 01];
515d6f5cddSAurelien Jarno AES_Te2[x] = S [x].[01, 03, 02, 01];
525d6f5cddSAurelien Jarno AES_Te3[x] = S [x].[01, 01, 03, 02];
535d6f5cddSAurelien Jarno AES_Te4[x] = S [x].[01, 01, 01, 01];
545d6f5cddSAurelien Jarno 
555d6f5cddSAurelien Jarno AES_Td0[x] = Si[x].[0e, 09, 0d, 0b];
565d6f5cddSAurelien Jarno AES_Td1[x] = Si[x].[0b, 0e, 09, 0d];
575d6f5cddSAurelien Jarno AES_Td2[x] = Si[x].[0d, 0b, 0e, 09];
585d6f5cddSAurelien Jarno AES_Td3[x] = Si[x].[09, 0d, 0b, 0e];
595d6f5cddSAurelien Jarno AES_Td4[x] = Si[x].[01, 01, 01, 01];
605d6f5cddSAurelien Jarno */
615d6f5cddSAurelien Jarno 
625d6f5cddSAurelien Jarno extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256],
635d6f5cddSAurelien Jarno                       AES_Te3[256], AES_Te4[256];
645d6f5cddSAurelien Jarno extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256],
655d6f5cddSAurelien Jarno                       AES_Td3[256], AES_Td4[256];
665d6f5cddSAurelien Jarno 
67e4d4fe3cSbellard #endif
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