Mercurial > trustbridge > nss-cmake-static
diff nss/lib/freebl/intel-gcm.h @ 0:1e5118fa0cb1
This is NSS with a Cmake Buildsyste
To compile a static NSS library for Windows we've used the
Chromium-NSS fork and added a Cmake buildsystem to compile
it statically for Windows. See README.chromium for chromium
changes and README.trustbridge for our modifications.
author | Andre Heinecke <andre.heinecke@intevation.de> |
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date | Mon, 28 Jul 2014 10:47:06 +0200 |
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--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/nss/lib/freebl/intel-gcm.h Mon Jul 28 10:47:06 2014 +0200 @@ -0,0 +1,83 @@ +/******************************************************************************/ +/* 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/. */ +/******************************************************************************/ +/* Copyright(c) 2013, Intel Corp. */ +/******************************************************************************/ +/* Reference: */ +/* [1] Shay Gueron, Michael E. Kounavis: Intel® Carry-Less Multiplication */ +/* Instruction and its Usage for Computing the GCM Mode (Rev. 2.01) */ +/* http://software.intel.com/sites/default/files/article/165685/clmul-wp-r*/ +/*ev-2.01-2012-09-21.pdf */ +/* [2] S. Gueron, M. E. Kounavis: Efficient Implementation of the Galois */ +/* Counter Mode Using a Carry-less Multiplier and a Fast Reduction */ +/* Algorithm. Information Processing Letters 110: 549–553 (2010). */ +/* [3] S. Gueron: AES Performance on the 2nd Generation Intel® Core™ Processor*/ +/* Family (to be posted) (2012). */ +/* [4] S. Gueron: Fast GHASH computations for speeding up AES-GCM (to be */ +/* published) (2012). */ + +#ifndef INTEL_GCM_H +#define INTEL_GCM_H 1 + +#include "blapii.h" + +typedef struct intel_AES_GCMContextStr intel_AES_GCMContext; + +intel_AES_GCMContext *intel_AES_GCM_CreateContext(void *context, freeblCipherFunc cipher, + const unsigned char *params, unsigned int blocksize); + +void intel_AES_GCM_DestroyContext(intel_AES_GCMContext *gcm, PRBool freeit); + +SECStatus intel_AES_GCM_EncryptUpdate(intel_AES_GCMContext *gcm, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout, + const unsigned char *inbuf, unsigned int inlen, + unsigned int blocksize); + +SECStatus intel_AES_GCM_DecryptUpdate(intel_AES_GCMContext *gcm, unsigned char *outbuf, + unsigned int *outlen, unsigned int maxout, + const unsigned char *inbuf, unsigned int inlen, + unsigned int blocksize); + +/* Prorotypes of functions in the assembler file for fast AES-GCM, using + Intel AES-NI and CLMUL-NI, as described in [1] + [1] Shay Gueron, Michael E. Kounavis: Intel® Carry-Less Multiplication + Instruction and its Usage for Computing the GCM Mode */ + +/* Prepares the constants used in the aggregated reduction method */ +void intel_aes_gcmINIT(unsigned char Htbl[16*16], + unsigned char *KS, + int NR); + +/* Produces the final GHASH value */ +void intel_aes_gcmTAG(unsigned char Htbl[16*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 whole blocks only. Partial blocks should be padded externally. */ +void intel_aes_gcmAAD(unsigned char Htbl[16*16], + unsigned char *AAD, + unsigned long Alen, + unsigned char *Tp); + +/* Encrypts and hashes the Plaintext. + Operates on any length of data, however partial block should only be encrypted + at the last call, otherwise the result will be incorrect. */ +void intel_aes_gcmENC(const unsigned char* PT, + unsigned char* CT, + void *Gctx, + unsigned long len); + +/* Similar to ENC, but decrypts the Ciphertext. */ +void intel_aes_gcmDEC(const unsigned char* CT, + unsigned char* PT, + void *Gctx, + unsigned long len); + +#endif