./ MultiCS.r82 / aes.h
#ifndef HEADER_AES_H #define HEADER_AES_H #define AES_ENCRYPT 1 #define AES_DECRYPT 0 /* Because array size can't be a const in C, the following two are macros. Both sizes are in bytes. */ #define AES_MAXNR 14 #define AES_BLOCK_SIZE 16 #ifdef __cplusplus extern "C" { #endif #if defined(_MSC_VER) && !defined(OPENSSL_SYS_WINCE) # define SWAP(x) (_lrotl(x, 8) & 0x00ff00ff | _lrotr(x, 8) & 0xff00ff00) # define GETU32(p) SWAP(*((uint32_t *)(p))) # define PUTU32(ct, st) { *((uint32_t *)(ct)) = SWAP((st)); } #else # define GETU32(pt) (((uint32_t)(pt)[0] << 24) ^ ((uint32_t)(pt)[1] << 16) ^ ((uint32_t)(pt)[2] << 8) ^ ((uint32_t)(pt)[3])) # define PUTU32(ct, st) { (ct)[0] = (uint8_t)((st) >> 24); (ct)[1] = (uint8_t)((st) >> 16); (ct)[2] = (uint8_t)((st) >> 8); (ct)[3] = (uint8_t)(st); } #endif #include <stdint.h> #define MAXKC (256/32) #define MAXKB (256/8) #define MAXNR 14 /* This controls loop-unrolling in aes_core.c */ #undef FULL_UNROLL /* This should be a hidden type, but EVP requires that the size be known */ struct aes_key_st { uint32_t rd_key[4 *(AES_MAXNR + 1)]; int rounds; }; typedef struct aes_key_st AES_KEY; 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); #ifdef __cplusplus } #endif #endif /* !HEADER_AES_H */