| 1 | /********************************************************************************/
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| 2 | /* */
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| 3 | /* */
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| 4 | /* Written by Ken Goldman */
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| 5 | /* IBM Thomas J. Watson Research Center */
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| 6 | /* $Id: BnMath_fp.h 809 2016-11-16 18:31:54Z kgoldman $ */
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| 7 | /* */
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| 8 | /* Licenses and Notices */
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| 9 | /* */
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| 10 | /* 1. Copyright Licenses: */
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| 11 | /* */
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| 12 | /* - Trusted Computing Group (TCG) grants to the user of the source code in */
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| 13 | /* this specification (the "Source Code") a worldwide, irrevocable, */
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| 14 | /* nonexclusive, royalty free, copyright license to reproduce, create */
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| 15 | /* derivative works, distribute, display and perform the Source Code and */
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| 16 | /* derivative works thereof, and to grant others the rights granted herein. */
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| 17 | /* */
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| 18 | /* - The TCG grants to the user of the other parts of the specification */
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| 19 | /* (other than the Source Code) the rights to reproduce, distribute, */
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| 20 | /* display, and perform the specification solely for the purpose of */
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| 21 | /* developing products based on such documents. */
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| 22 | /* */
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| 23 | /* 2. Source Code Distribution Conditions: */
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| 24 | /* */
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| 25 | /* - Redistributions of Source Code must retain the above copyright licenses, */
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| 26 | /* this list of conditions and the following disclaimers. */
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| 27 | /* */
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| 28 | /* - Redistributions in binary form must reproduce the above copyright */
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| 29 | /* licenses, this list of conditions and the following disclaimers in the */
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| 30 | /* documentation and/or other materials provided with the distribution. */
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| 31 | /* */
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| 32 | /* 3. Disclaimers: */
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| 33 | /* */
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| 34 | /* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */
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| 35 | /* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */
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| 36 | /* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */
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| 37 | /* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */
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| 38 | /* Contact TCG Administration ([email protected]) for */
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| 39 | /* information on specification licensing rights available through TCG */
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| 40 | /* membership agreements. */
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| 41 | /* */
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| 42 | /* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */
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| 43 | /* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */
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| 44 | /* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */
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| 45 | /* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */
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| 46 | /* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */
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| 47 | /* */
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| 48 | /* - Without limitation, TCG and its members and licensors disclaim all */
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| 49 | /* liability, including liability for infringement of any proprietary */
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| 50 | /* rights, relating to use of information in this specification and to the */
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| 51 | /* implementation of this specification, and TCG disclaims all liability for */
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| 52 | /* cost of procurement of substitute goods or services, lost profits, loss */
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| 53 | /* of use, loss of data or any incidental, consequential, direct, indirect, */
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| 54 | /* or special damages, whether under contract, tort, warranty or otherwise, */
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| 55 | /* arising in any way out of use or reliance upon this specification or any */
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| 56 | /* information herein. */
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| 57 | /* */
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| 58 | /* (c) Copyright IBM Corp. and others, 2016 */
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| 59 | /* */
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| 60 | /********************************************************************************/
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| 61 |
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| 62 | #ifndef BNMATH_FP_H
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| 63 | #define BNMATH_FP_H
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| 64 |
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| 65 | LIB_EXPORT BOOL
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| 66 | BnAdd(
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| 67 | bigNum result,
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| 68 | bigConst op1,
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| 69 | bigConst op2
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| 70 | );
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| 71 | LIB_EXPORT BOOL
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| 72 | BnAddWord(
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| 73 | bigNum result,
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| 74 | bigConst op,
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| 75 | crypt_uword_t word
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| 76 | );
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| 77 | LIB_EXPORT BOOL
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| 78 | BnSub(
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| 79 | bigNum result,
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| 80 | bigConst op1,
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| 81 | bigConst op2
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| 82 | );
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| 83 | LIB_EXPORT BOOL
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| 84 | BnSubWord(
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| 85 | bigNum result,
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| 86 | bigConst op,
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| 87 | crypt_uword_t word
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| 88 | );
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| 89 | LIB_EXPORT int
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| 90 | BnUnsignedCmp(
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| 91 | bigConst op1,
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| 92 | bigConst op2
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| 93 | );
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| 94 | LIB_EXPORT int
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| 95 | BnUnsignedCmpWord(
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| 96 | bigConst op1,
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| 97 | crypt_uword_t word
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| 98 | );
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| 99 | LIB_EXPORT crypt_word_t
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| 100 | BnModWord(
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| 101 | bigConst numerator,
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| 102 | crypt_word_t modulus
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| 103 | );
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| 104 | LIB_EXPORT int
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| 105 | Msb(
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| 106 | crypt_uword_t word
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| 107 | );
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| 108 | LIB_EXPORT int
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| 109 | BnMsb(
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| 110 | bigConst bn
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| 111 | );
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| 112 | LIB_EXPORT unsigned
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| 113 | BnSizeInBits(
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| 114 | bigConst n
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| 115 | );
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| 116 | LIB_EXPORT bigNum
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| 117 | BnSetWord(
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| 118 | bigNum n,
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| 119 | crypt_uword_t w
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| 120 | );
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| 121 | LIB_EXPORT BOOL
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| 122 | BnSetBit(
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| 123 | bigNum bn, // IN/OUT: big number to modify
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| 124 | unsigned int bitNum // IN: Bit number to SET
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| 125 | );
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| 126 | LIB_EXPORT BOOL
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| 127 | BnTestBit(
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| 128 | bigNum bn, // IN: number to check
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| 129 | unsigned int bitNum // IN: bit to test
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| 130 | );
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| 131 | LIB_EXPORT BOOL
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| 132 | BnMaskBits(
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| 133 | bigNum bn, // IN/OUT: number to mask
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| 134 | crypt_uword_t maskBit // IN: the bit number for the mask.
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| 135 | );
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| 136 | LIB_EXPORT BOOL
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| 137 | BnShiftRight(
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| 138 | bigNum result,
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| 139 | bigConst toShift,
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| 140 | uint32_t shiftAmount
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| 141 | );
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| 142 | LIB_EXPORT BOOL
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| 143 | BnGetRandomBits(
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| 144 | bigNum n,
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| 145 | size_t bits,
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| 146 | RAND_STATE *rand
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| 147 | );
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| 148 | LIB_EXPORT BOOL
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| 149 | BnGenerateRandomInRange(
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| 150 | bigNum dest,
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| 151 | bigConst limit,
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| 152 | RAND_STATE *rand
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| 153 | );
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| 154 | // libtpms added begin
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| 155 | LIB_EXPORT BOOL
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| 156 | BnGenerateRandomInRangeAllBytes(
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| 157 | bigNum dest,
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| 158 | bigConst limit,
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| 159 | RAND_STATE *rand
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| 160 | );
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| 161 | // libtpms added end
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| 162 |
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| 163 | #endif
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