/*
 * Copyright 2015 The Chromium OS Authors. All rights reserved.
 * Use of this source code is governed by a BSD-style license that can be
 * found in the LICENSE file.
 */

#ifndef __TPM2_MATHFUNCTIONS_FP_H
#define __TPM2_MATHFUNCTIONS_FP_H

LIB_EXPORT int _math__Comp(
        const   UINT32     aSize,                //   IN:   size of a
        const   BYTE      *a,                    //   IN:   a buffer
        const   UINT32     bSize,                //   IN:   size of b
        const   BYTE      *b                     //   IN:   b buffer
        );
LIB_EXPORT CRYPT_RESULT _math__Div(
        const TPM2B         *n,                  //   IN: numerator
        const TPM2B         *d,                  //   IN: denominator
        TPM2B               *q,                  //   OUT: quotient
        TPM2B               *r                   //   OUT: remainder
                                   );
LIB_EXPORT BOOL _math__IsPrime(
        const UINT32         prime
);
LIB_EXPORT CRYPT_RESULT _math__ModExp(
        UINT32               cSize,                 //   IN: size of the result
        BYTE                *c,                     //   OUT: results buffer
        const UINT32         mSize,                 //   IN: size of number to be exponentiated
        const BYTE          *m,                     //   IN: number to be exponentiated
        const UINT32         eSize,                 //   IN: size of power
        const BYTE          *e,                     //   IN: power
        const UINT32         nSize,                 //   IN: modulus size
        const BYTE          *n                      //   IN: modulu
);
LIB_EXPORT UINT16 _math__Normalize2B(
        TPM2B               *b                  // IN/OUT: number to normalize
);
LIB_EXPORT int _math__sub(
        const UINT32        aSize,                //   IN: size   of a
        const BYTE         *a,                    //   IN: a
        const UINT32        bSize,                //   IN: size   of b
        const BYTE         *b,                    //   IN: b
        UINT16             *cSize,                //   OUT: set   to MAX(aSize, bSize)
        BYTE               *c                     //   OUT: the   difference
);
LIB_EXPORT int _math__uComp(
        const UINT32       aSize,                 // IN: size of a
        const BYTE        *a,                     // IN: a
        const UINT32       bSize,                // IN: size of b
        const BYTE        *b                     // IN: b
                            );

#endif // __TPM2_MATHFUNCTIONS_FP_H