1 /* 2 * Copyright 2015 The Chromium OS Authors. All rights reserved. 3 * Use of this source code is governed by a BSD-style license that can be 4 * found in the LICENSE file. 5 */ 6 7 #ifndef __TPM2_MATHFUNCTIONS_FP_H 8 #define __TPM2_MATHFUNCTIONS_FP_H 9 10 LIB_EXPORT int _math__Comp(const UINT32 aSize, // IN: size of a 11 const BYTE *a, // IN: a buffer 12 const UINT32 bSize, // IN: size of b 13 const BYTE *b // IN: b buffer 14 ); 15 LIB_EXPORT CRYPT_RESULT _math__Div(const TPM2B *n, // IN: numerator 16 const TPM2B *d, // IN: denominator 17 TPM2B *q, // OUT: quotient 18 TPM2B *r // OUT: remainder 19 ); 20 LIB_EXPORT BOOL _math__IsPrime(const UINT32 prime); 21 LIB_EXPORT CRYPT_RESULT 22 _math__ModExp(UINT32 cSize, // IN: size of the result 23 BYTE *c, // OUT: results buffer 24 const UINT32 mSize, // IN: size of number to be exponentiated 25 const BYTE *m, // IN: number to be exponentiated 26 const UINT32 eSize, // IN: size of power 27 const BYTE *e, // IN: power 28 const UINT32 nSize, // IN: modulus size 29 const BYTE *n // IN: modulu 30 ); 31 LIB_EXPORT UINT16 _math__Normalize2B(TPM2B *b // IN/OUT: number to normalize 32 ); 33 LIB_EXPORT int _math__sub(const UINT32 aSize, // IN: size of a 34 const BYTE *a, // IN: a 35 const UINT32 bSize, // IN: size of b 36 const BYTE *b, // IN: b 37 UINT16 *cSize, // OUT: set to MAX(aSize, bSize) 38 BYTE *c // OUT: the difference 39 ); 40 LIB_EXPORT int _math__uComp(const UINT32 aSize, // IN: size of a 41 const BYTE *a, // IN: a 42 const UINT32 bSize, // IN: size of b 43 const BYTE *b // IN: b 44 ); 45 46 #endif // __TPM2_MATHFUNCTIONS_FP_H 47
