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/******************************************************************************/
/* LICENSE: */
/* This submission to NSS is to be made available under the terms of the */
/* Mozilla Public License, v. 2.0. You can obtain one at http: */
/* //mozilla.org/MPL/2.0/. */
/******************************************************************************/
#ifndef PPC_GCM_H
#define PPC_GCM_H 1
#include "blapii.h"
typedef struct ppc_AES_GCMContextStr ppc_AES_GCMContext;
ppc_AES_GCMContext *ppc_AES_GCM_CreateContext(void *context, freeblCipherFunc cipher,
const unsigned char *params);
void ppc_AES_GCM_DestroyContext(ppc_AES_GCMContext *gcm, PRBool freeit);
SECStatus ppc_AES_GCM_EncryptUpdate(ppc_AES_GCMContext *gcm, unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
unsigned int blocksize);
SECStatus ppc_AES_GCM_DecryptUpdate(ppc_AES_GCMContext *gcm, unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
unsigned int blocksize);
SECStatus ppc_AES_GCM_EncryptAEAD(ppc_AES_GCMContext *gcm,
unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
void *params, unsigned int paramLen,
const unsigned char *aad, unsigned int aadLen,
unsigned int blocksize);
SECStatus ppc_AES_GCM_DecryptAEAD(ppc_AES_GCMContext *gcm,
unsigned char *outbuf,
unsigned int *outlen, unsigned int maxout,
const unsigned char *inbuf, unsigned int inlen,
void *params, unsigned int paramLen,
const unsigned char *aad, unsigned int aadLen,
unsigned int blocksize);
/* Prototypes of the functions defined in the assembler file. */
/* Prepares the constants used in the aggregated reduction method */
void ppc_aes_gcmINIT(unsigned char Htbl[8 * 16],
PRUint32 *KS,
int NR);
/* Produces the final GHASH value */
void ppc_aes_gcmTAG(unsigned char Htbl[8 * 16],
unsigned char *Tp,
unsigned long Mlen,
unsigned long Alen,
unsigned char *X0,
unsigned char *TAG);
/* Hashes the Additional Authenticated Data, should be used before enc/dec.
Operates on any length of data. Partial block is padded internally. */
void ppc_aes_gcmHASH(unsigned char Htbl[8 * 16],
const unsigned char *AAD,
unsigned long Alen,
unsigned char *Tp);
/* Crypt only, used in combination with ppc_aes_gcmAAD().
Operates on any length of data, however partial block should only be encrypted
at the last call, otherwise the result will be incorrect. */
void ppc_aes_gcmCRYPT(const unsigned char *PT,
unsigned char *CT,
unsigned long len,
unsigned char *CTRP,
PRUint32 *KS,
int NR);
#endif
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