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[gnutls:gnutls.git] / lib / accelerated / x86 / aes-padlock.h

#ifndef AES_PADLOCK_H
#define AES_PADLOCK_H

#include <gnutls_int.h>
#include <aes-x86.h>

struct padlock_cipher_data {
        unsigned char iv[16];   /* Initialization vector */
        union {
                unsigned int pad[4];
                struct {
                        unsigned rounds:4;
                        unsigned dgst:1;        /* n/a in C3 */
                        unsigned align:1;       /* n/a in C3 */
                        unsigned ciphr:1;       /* n/a in C3 */
                        unsigned int keygen:1;
                        unsigned interm:1;
                        unsigned int encdec:1;
                        unsigned ksize:2;
                } b;
        } cword;                /* Control word */
        AES_KEY ks;             /* Encryption key */
};

struct padlock_ctx {
        struct padlock_cipher_data expanded_key;
        int enc;
};

extern const gnutls_crypto_cipher_st _gnutls_aes_padlock;
extern const gnutls_crypto_cipher_st _gnutls_aes_gcm_padlock;

extern const gnutls_crypto_mac_st _gnutls_hmac_sha_padlock;
extern const gnutls_crypto_digest_st _gnutls_sha_padlock;

int padlock_aes_cipher_setkey(void *_ctx, const void *userkey,
                              size_t keysize);

/* asm */
unsigned int padlock_capability(void);
void padlock_reload_key(void);
int padlock_ecb_encrypt(void *out, const void *inp,
                        struct padlock_cipher_data *ctx, size_t len);
int padlock_cbc_encrypt(void *out, const void *inp,
                        struct padlock_cipher_data *ctx, size_t len);
#endif