+++ /dev/null
-//
-// OTRMath.h
-// libsecurity_libSecOTR
-//
-// Created by Mitch Adler on 1/28/11.
-// Copyright 2011 Apple Inc. All rights reserved.
-//
-
-#ifndef _SECOTRMATH_H_
-#define _SECOTRMATH_H_
-
-#include <CoreFoundation/CFBase.h>
-
-#include <corecrypto/ccn.h>
-#include <corecrypto/ccaes.h>
-#include <corecrypto/ccmode.h>
-
-#define kOTRAuthKeyBytes 16
-#define kOTRAuthMACKeyBytes 32
-
-#define kOTRMessageKeyBytes 16
-#define kOTRMessageMacKeyBytes 20
-
-#define kExponentiationBits 1536
-#define kExponentiationUnits ccn_nof(kExponentiationBits)
-#define kExponentiationBytes ((kExponentiationBits+7)/8)
-
-#define kSHA256HMAC160Bits 160
-#define kSHA256HMAC160Bytes (kSHA256HMAC160Bits/8)
-
-// Result and exponent are expected to be kExponentiationUnits big.
-void OTRExponentiate(cc_unit* res, const cc_unit* base, const cc_unit* exponent);
-void OTRGroupExponentiate(cc_unit* result, const cc_unit* exponent);
-
-OSStatus GetRandomBytesInLSBs(size_t bytesOfRandomness, size_t n, cc_unit* place);
-OSStatus FillWithRandomBytes(size_t n, cc_unit* place);
-
-typedef enum {
- kSSID = 0x00,
- kCs = 0x01,
- kM1 = 0x02,
- kM2 = 0x03,
- kM1Prime = 0x04,
- kM2Prime = 0x05
-} KeyType;
-
-
-void DeriveOTR256BitsFromS(KeyType whichKey, size_t sSize, const cc_unit* s, size_t keySize, uint8_t* key);
-void DeriveOTR128BitPairFromS(KeyType whichHalf, size_t sSize, const cc_unit* s,
- size_t firstKeySize, uint8_t* firstKey,
- size_t secondKeySize, uint8_t* secondKey);
-void DeriveOTR64BitsFromS(KeyType whichKey, size_t sSize, const cc_unit* s,
- size_t firstKeySize, uint8_t* firstKey);
-
-
-void AES_CTR_HighHalf_Transform(size_t keySize, const uint8_t* key,
- uint64_t highHalf,
- size_t howMuch, const uint8_t* from,
- uint8_t* to);
-
-void AES_CTR_IV0_Transform(size_t keySize, const uint8_t* key,
- size_t howMuch, const uint8_t* from,
- uint8_t* to);
-
-#endif