ext-cryptopp/aes-armv4.h
2018-07-11 15:12:53 -04:00

31 lines
1.0 KiB
C

/* Header file for use with Cryptogam's ARMv4 AES. */
/* Also see http://www.openssl.org/~appro/cryptogams/ and */
/* https://wiki.openssl.org/index.php?title=Cryptogams_AES */
#ifndef CRYPTOGAMS_AES_ARMV4_H
#define CRYPTOGAMS_AES_ARMV4_H
#ifdef __cplusplus
extern "C" {
#endif
//#define AES_MAXNR 14
//typedef struct AES_KEY_st {
// unsigned int rd_key[4 * (AES_MAXNR + 1)];
// int rounds;
//} AES_KEY;
// Instead of AES_KEY we use a 'word32 rkey[4*15+4]'. It has space for
// both the AES_MAXNR round keys and the number of rounds in the tail.
int AES_set_encrypt_key(const unsigned char *userKey, const int bits, unsigned int *rkey);
int AES_set_decrypt_key(const unsigned char *userKey, const int bits, unsigned int *rkey);
void AES_encrypt(const unsigned char in[16], unsigned char out[16], const unsigned int *rkey);
void AES_decrypt(const unsigned char in[16], unsigned char out[16], const unsigned int *rkey);
#ifdef __cplusplus
}
#endif
#endif /* CRYPTOGAMS_AES_ARMV4_H */