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Diffstat (limited to 'include/crypto/aes.h')
-rw-r--r-- | include/crypto/aes.h | 68 |
1 files changed, 68 insertions, 0 deletions
diff --git a/include/crypto/aes.h b/include/crypto/aes.h new file mode 100644 index 0000000000..a006da2224 --- /dev/null +++ b/include/crypto/aes.h @@ -0,0 +1,68 @@ +#ifndef QEMU_AES_H +#define QEMU_AES_H + +#define AES_MAXNR 14 +#define AES_BLOCK_SIZE 16 + +struct aes_key_st { + uint32_t rd_key[4 *(AES_MAXNR + 1)]; + int rounds; +}; +typedef struct aes_key_st AES_KEY; + +/* FreeBSD has its own AES_set_decrypt_key in -lcrypto, avoid conflicts */ +#ifdef __FreeBSD__ +#define AES_set_encrypt_key QEMU_AES_set_encrypt_key +#define AES_set_decrypt_key QEMU_AES_set_decrypt_key +#define AES_encrypt QEMU_AES_encrypt +#define AES_decrypt QEMU_AES_decrypt +#define AES_cbc_encrypt QEMU_AES_cbc_encrypt +#endif + +int AES_set_encrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key); +int AES_set_decrypt_key(const unsigned char *userKey, const int bits, + AES_KEY *key); + +void AES_encrypt(const unsigned char *in, unsigned char *out, + const AES_KEY *key); +void AES_decrypt(const unsigned char *in, unsigned char *out, + const AES_KEY *key); +void AES_cbc_encrypt(const unsigned char *in, unsigned char *out, + const unsigned long length, const AES_KEY *key, + unsigned char *ivec, const int enc); + +extern const uint8_t AES_sbox[256]; +extern const uint8_t AES_isbox[256]; + +/* AES ShiftRows and InvShiftRows */ +extern const uint8_t AES_shifts[16]; +extern const uint8_t AES_ishifts[16]; + +/* AES InvMixColumns */ +/* AES_imc[x][0] = [x].[0e, 09, 0d, 0b]; */ +/* AES_imc[x][1] = [x].[0b, 0e, 09, 0d]; */ +/* AES_imc[x][2] = [x].[0d, 0b, 0e, 09]; */ +/* AES_imc[x][3] = [x].[09, 0d, 0b, 0e]; */ +extern const uint32_t AES_imc[256][4]; + +/* +AES_Te0[x] = S [x].[02, 01, 01, 03]; +AES_Te1[x] = S [x].[03, 02, 01, 01]; +AES_Te2[x] = S [x].[01, 03, 02, 01]; +AES_Te3[x] = S [x].[01, 01, 03, 02]; +AES_Te4[x] = S [x].[01, 01, 01, 01]; + +AES_Td0[x] = Si[x].[0e, 09, 0d, 0b]; +AES_Td1[x] = Si[x].[0b, 0e, 09, 0d]; +AES_Td2[x] = Si[x].[0d, 0b, 0e, 09]; +AES_Td3[x] = Si[x].[09, 0d, 0b, 0e]; +AES_Td4[x] = Si[x].[01, 01, 01, 01]; +*/ + +extern const uint32_t AES_Te0[256], AES_Te1[256], AES_Te2[256], + AES_Te3[256], AES_Te4[256]; +extern const uint32_t AES_Td0[256], AES_Td1[256], AES_Td2[256], + AES_Td3[256], AES_Td4[256]; + +#endif |