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ecdsa.c File Reference
ECDSA (Elliptic Curve Digital Signature Algorithm) More...
Go to the source code of this file.
Functions | |
| void | ecdsaInitSignature (EcdsaSignature *signature) |
| Initialize an ECDSA signature. | |
| void | ecdsaFreeSignature (EcdsaSignature *signature) |
| Release an ECDSA signature. | |
| error_t | ecdsaWriteSignature (const EcdsaSignature *signature, uint8_t *data, size_t *length) |
| Encode ECDSA signature using ASN.1. | |
| error_t | ecdsaReadSignature (const uint8_t *data, size_t length, EcdsaSignature *signature) |
| Read an ASN.1 encoded ECDSA signature. | |
| error_t | ecdsaGenerateSignature (const EcDomainParameters *params, const PrngAlgo *prngAlgo, void *prngContext, const Mpi *privateKey, const uint8_t *digest, size_t digestLength, EcdsaSignature *signature) |
| ECDSA signature generation. | |
| error_t | ecdsaVerifySignature (const EcDomainParameters *params, const EcPoint *publicKey, const uint8_t *digest, size_t digestLength, const EcdsaSignature *signature) |
| ECDSA signature verification. | |
Detailed Description
ECDSA (Elliptic Curve Digital Signature Algorithm)
License
Copyright (C) 2010-2017 Oryx Embedded SARL. All rights reserved.
This file is part of CycloneCrypto Open.
This program is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the License, or (at your option) any later version.
This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for more details.
You should have received a copy of the GNU General Public License along with this program; if not, write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
- Version:
- 1.7.6
Definition in file ecdsa.c.
Function Documentation
| void ecdsaFreeSignature | ( | EcdsaSignature * | signature ) |
| error_t ecdsaGenerateSignature | ( | const EcDomainParameters * | params, |
| const PrngAlgo * | prngAlgo, | ||
| void * | prngContext, | ||
| const Mpi * | privateKey, | ||
| const uint8_t * | digest, | ||
| size_t | digestLength, | ||
| EcdsaSignature * | signature | ||
| ) |
ECDSA signature generation.
- Parameters:
-
[in] params EC domain parameters [in] prngAlgo PRNG algorithm [in] prngContext Pointer to the PRNG context [in] privateKey Signer's ECDSA private key [in] digest Digest of the message to be signed [in] digestLength Length in octets of the digest [out] signature (R, S) integer pair
- Returns:
- Error code
| void ecdsaInitSignature | ( | EcdsaSignature * | signature ) |
| error_t ecdsaReadSignature | ( | const uint8_t * | data, |
| size_t | length, | ||
| EcdsaSignature * | signature | ||
| ) |
| error_t ecdsaVerifySignature | ( | const EcDomainParameters * | params, |
| const EcPoint * | publicKey, | ||
| const uint8_t * | digest, | ||
| size_t | digestLength, | ||
| const EcdsaSignature * | signature | ||
| ) |
ECDSA signature verification.
- Parameters:
-
[in] params EC domain parameters [in] publicKey Signer's ECDSA public key [in] digest Digest of the message whose signature is to be verified [in] digestLength Length in octets of the digest [in] signature (R, S) integer pair
- Returns:
- Error code
| error_t ecdsaWriteSignature | ( | const EcdsaSignature * | signature, |
| uint8_t * | data, | ||
| size_t * | length | ||
| ) |
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