diff options
Diffstat (limited to 'src/tpm2/crypto/CryptEccSignature_fp.h')
| -rw-r--r-- | src/tpm2/crypto/CryptEccSignature_fp.h | 111 |
1 files changed, 111 insertions, 0 deletions
diff --git a/src/tpm2/crypto/CryptEccSignature_fp.h b/src/tpm2/crypto/CryptEccSignature_fp.h new file mode 100644 index 0000000..5ee813e --- /dev/null +++ b/src/tpm2/crypto/CryptEccSignature_fp.h @@ -0,0 +1,111 @@ +/********************************************************************************/ +/* */ +/* */ +/* Written by Ken Goldman */ +/* IBM Thomas J. Watson Research Center */ +/* $Id: CryptEccSignature_fp.h 809 2016-11-16 18:31:54Z kgoldman $ */ +/* */ +/* Licenses and Notices */ +/* */ +/* 1. Copyright Licenses: */ +/* */ +/* - Trusted Computing Group (TCG) grants to the user of the source code in */ +/* this specification (the "Source Code") a worldwide, irrevocable, */ +/* nonexclusive, royalty free, copyright license to reproduce, create */ +/* derivative works, distribute, display and perform the Source Code and */ +/* derivative works thereof, and to grant others the rights granted herein. */ +/* */ +/* - The TCG grants to the user of the other parts of the specification */ +/* (other than the Source Code) the rights to reproduce, distribute, */ +/* display, and perform the specification solely for the purpose of */ +/* developing products based on such documents. */ +/* */ +/* 2. Source Code Distribution Conditions: */ +/* */ +/* - Redistributions of Source Code must retain the above copyright licenses, */ +/* this list of conditions and the following disclaimers. */ +/* */ +/* - Redistributions in binary form must reproduce the above copyright */ +/* licenses, this list of conditions and the following disclaimers in the */ +/* documentation and/or other materials provided with the distribution. */ +/* */ +/* 3. Disclaimers: */ +/* */ +/* - THE COPYRIGHT LICENSES SET FORTH ABOVE DO NOT REPRESENT ANY FORM OF */ +/* LICENSE OR WAIVER, EXPRESS OR IMPLIED, BY ESTOPPEL OR OTHERWISE, WITH */ +/* RESPECT TO PATENT RIGHTS HELD BY TCG MEMBERS (OR OTHER THIRD PARTIES) */ +/* THAT MAY BE NECESSARY TO IMPLEMENT THIS SPECIFICATION OR OTHERWISE. */ +/* Contact TCG Administration (admin@trustedcomputinggroup.org) for */ +/* information on specification licensing rights available through TCG */ +/* membership agreements. */ +/* */ +/* - THIS SPECIFICATION IS PROVIDED "AS IS" WITH NO EXPRESS OR IMPLIED */ +/* WARRANTIES WHATSOEVER, INCLUDING ANY WARRANTY OF MERCHANTABILITY OR */ +/* FITNESS FOR A PARTICULAR PURPOSE, ACCURACY, COMPLETENESS, OR */ +/* NONINFRINGEMENT OF INTELLECTUAL PROPERTY RIGHTS, OR ANY WARRANTY */ +/* OTHERWISE ARISING OUT OF ANY PROPOSAL, SPECIFICATION OR SAMPLE. */ +/* */ +/* - Without limitation, TCG and its members and licensors disclaim all */ +/* liability, including liability for infringement of any proprietary */ +/* rights, relating to use of information in this specification and to the */ +/* implementation of this specification, and TCG disclaims all liability for */ +/* cost of procurement of substitute goods or services, lost profits, loss */ +/* of use, loss of data or any incidental, consequential, direct, indirect, */ +/* or special damages, whether under contract, tort, warranty or otherwise, */ +/* arising in any way out of use or reliance upon this specification or any */ +/* information herein. */ +/* */ +/* (c) Copyright IBM Corp. and others, 2016 */ +/* */ +/********************************************************************************/ + +#ifndef CRYPTECCSIGNATURE_FP_H +#define CRYPTECCSIGNATURE_FP_H + +TPM_RC +BnSignEcdsa( + bigNum bnR, // OUT: r component of the signature + bigNum bnS, // OUT: s component of the signature + bigCurve E, // IN: the curve used in the signature + // process + bigNum bnD, // IN: private signing key + const TPM2B_DIGEST *digest, // IN: the digest to sign + RAND_STATE *rand // IN: used in debug of signing + ); +LIB_EXPORT TPM_RC +CryptEccSign( + TPMT_SIGNATURE *signature, // OUT: signature + OBJECT *signKey, // IN: ECC key to sign the hash + const TPM2B_DIGEST *digest, // IN: digest to sign + TPMT_ECC_SCHEME *scheme, // IN: signing scheme + RAND_STATE *rand + ); +TPM_RC +BnValidateSignatureEcdsa( + bigNum bnR, // IN: r component of the signature + bigNum bnS, // IN: s component of the signature + bigCurve E, // IN: the curve used in the signature + // process + bn_point_t *ecQ, // IN: the public point of the key + const TPM2B_DIGEST *digest // IN: the digest that was signed + ); +LIB_EXPORT TPM_RC +CryptEccValidateSignature( + TPMT_SIGNATURE *signature, // IN: signature to be verified + OBJECT *signKey, // IN: ECC key signed the hash + const TPM2B_DIGEST *digest // IN: digest that was signed + ); +LIB_EXPORT TPM_RC +CryptEccCommitCompute( + TPMS_ECC_POINT *K, // OUT: [d]B or [r]Q + TPMS_ECC_POINT *L, // OUT: [r]B + TPMS_ECC_POINT *E, // OUT: [r]M + TPM_ECC_CURVE curveId, // IN: the curve for the computations + TPMS_ECC_POINT *M, // IN: M (optional) + TPMS_ECC_POINT *B, // IN: B (optional) + TPM2B_ECC_PARAMETER *d, // IN: d (optional) + TPM2B_ECC_PARAMETER *r // IN: the computed r value (required) + ); + + +#endif |