256 lines
10 KiB
D
256 lines
10 KiB
D
/* crypto/ecdsa/ecdsa.h */
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/**
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* \file crypto/ecdsa/ecdsa.h Include file for the OpenSSL ECDSA functions
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* \author Written by Nils Larsch for the OpenSSL project
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*/
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/* ====================================================================
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* Copyright (c) 2000-2005 The OpenSSL Project. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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*
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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*
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in
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* the documentation and/or other materials provided with the
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* distribution.
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*
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* 3. All advertising materials mentioning features or use of this
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* software must display the following acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
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*
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* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
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* endorse or promote products derived from this software without
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* prior written permission. For written permission, please contact
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* licensing@OpenSSL.org.
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*
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* 5. Products derived from this software may not be called "OpenSSL"
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* nor may "OpenSSL" appear in their names without prior written
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* permission of the OpenSSL Project.
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*
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* 6. Redistributions of any form whatsoever must retain the following
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* acknowledgment:
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* "This product includes software developed by the OpenSSL Project
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* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
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*
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* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
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* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
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* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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* ====================================================================
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*
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* This product includes cryptographic software written by Eric Young
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* (eay@cryptsoft.com). This product includes software written by Tim
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* Hudson (tjh@cryptsoft.com).
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*
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*/
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module deimos.openssl.ecdsa;
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import deimos.openssl._d_util;
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public import deimos.openssl.opensslconf;
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version (OPENSSL_NO_ECDSA) {
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static assert(false, "ECDSA is disabled.");
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}
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public import deimos.openssl.ec;
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public import deimos.openssl.ossl_typ;
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version(OPENSSL_NO_DEPRECATED) {} else {
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public import deimos.openssl.bn;
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}
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extern (C):
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nothrow:
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struct ECDSA_SIG_st {
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BIGNUM* r;
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BIGNUM* s;
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}
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alias ECDSA_SIG_st ECDSA_SIG;
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/** Allocates and initialize a ECDSA_SIG structure
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* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
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*/
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ECDSA_SIG* ECDSA_SIG_new();
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/** frees a ECDSA_SIG structure
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* \param sig pointer to the ECDSA_SIG structure
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*/
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void ECDSA_SIG_free(ECDSA_SIG* sig);
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/** DER encode content of ECDSA_SIG object (note: this function modifies* pp
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* (*pp += length of the DER encoded signature)).
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* \param sig pointer to the ECDSA_SIG object
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* \param pp pointer to a ubyte pointer for the output or NULL
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* \return the length of the DER encoded ECDSA_SIG object or 0
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*/
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int i2d_ECDSA_SIG(const(ECDSA_SIG)* sig, ubyte** pp);
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/** Decodes a DER encoded ECDSA signature (note: this function changes* pp
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* (*pp += len)).
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* \param sig pointer to ECDSA_SIG pointer (may be NULL)
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* \param pp memory buffer with the DER encoded signature
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* \param len length of the buffer
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* \return pointer to the decoded ECDSA_SIG structure (or NULL)
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*/
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ECDSA_SIG* d2i_ECDSA_SIG(ECDSA_SIG** sig, const(ubyte)** pp, c_long len);
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/** Computes the ECDSA signature of the given hash value using
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* the supplied private key and returns the created signature.
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* \param dgst pointer to the hash value
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* \param dgst_len length of the hash value
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* \param eckey EC_KEY object containing a private EC key
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* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
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*/
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ECDSA_SIG* ECDSA_do_sign(const(ubyte)* dgst,int dgst_len,EC_KEY* eckey);
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/** Computes ECDSA signature of a given hash value using the supplied
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* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
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* \param dgst pointer to the hash value to sign
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* \param dgstlen length of the hash value
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* \param kinv BIGNUM with a pre-computed inverse k (optional)
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* \param rp BIGNUM with a pre-computed rp value (optioanl),
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* see ECDSA_sign_setup
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* \param eckey EC_KEY object containing a private EC key
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* \return pointer to a ECDSA_SIG structure or NULL if an error occurred
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*/
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ECDSA_SIG* ECDSA_do_sign_ex(const(ubyte)* dgst, int dgstlen,
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const(BIGNUM)* kinv, const(BIGNUM)* rp, EC_KEY* eckey);
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/** Verifies that the supplied signature is a valid ECDSA
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* signature of the supplied hash value using the supplied public key.
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* \param dgst pointer to the hash value
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* \param dgst_len length of the hash value
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* \param sig ECDSA_SIG structure
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* \param eckey EC_KEY object containing a public EC key
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* \return 1 if the signature is valid, 0 if the signature is invalid
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* and -1 on error
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*/
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int ECDSA_do_verify(const(ubyte)* dgst, int dgst_len,
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const(ECDSA_SIG)* sig, EC_KEY* eckey);
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const(ECDSA_METHOD)* ECDSA_OpenSSL();
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/** Sets the default ECDSA method
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* \param meth new default ECDSA_METHOD
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*/
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void ECDSA_set_default_method(const(ECDSA_METHOD)* meth);
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/** Returns the default ECDSA method
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* \return pointer to ECDSA_METHOD structure containing the default method
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*/
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const(ECDSA_METHOD)* ECDSA_get_default_method();
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/** Sets method to be used for the ECDSA operations
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* \param eckey EC_KEY object
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* \param meth new method
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* \return 1 on success and 0 otherwise
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*/
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int ECDSA_set_method(EC_KEY* eckey, const(ECDSA_METHOD)* meth);
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/** Returns the maximum length of the DER encoded signature
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* \param eckey EC_KEY object
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* \return numbers of bytes required for the DER encoded signature
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*/
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int ECDSA_size(const(EC_KEY)* eckey);
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/** Precompute parts of the signing operation
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* \param eckey EC_KEY object containing a private EC key
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* \param ctx BN_CTX object (optional)
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* \param kinv BIGNUM pointer for the inverse of k
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* \param rp BIGNUM pointer for x coordinate of k* generator
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* \return 1 on success and 0 otherwise
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*/
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int ECDSA_sign_setup(EC_KEY* eckey, BN_CTX* ctx, BIGNUM** kinv,
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BIGNUM** rp);
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/** Computes ECDSA signature of a given hash value using the supplied
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* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
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* \param type this parameter is ignored
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* \param dgst pointer to the hash value to sign
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* \param dgstlen length of the hash value
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* \param sig memory for the DER encoded created signature
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* \param siglen pointer to the length of the returned signature
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* \param eckey EC_KEY object containing a private EC key
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* \return 1 on success and 0 otherwise
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*/
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int ECDSA_sign(int type, const(ubyte)* dgst, int dgstlen,
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ubyte* sig, uint* siglen, EC_KEY* eckey);
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/** Computes ECDSA signature of a given hash value using the supplied
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* private key (note: sig must point to ECDSA_size(eckey) bytes of memory).
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* \param type this parameter is ignored
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* \param dgst pointer to the hash value to sign
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* \param dgstlen length of the hash value
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* \param sig buffer to hold the DER encoded signature
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* \param siglen pointer to the length of the returned signature
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* \param kinv BIGNUM with a pre-computed inverse k (optional)
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* \param rp BIGNUM with a pre-computed rp value (optioanl),
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* see ECDSA_sign_setup
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* \param eckey EC_KEY object containing a private EC key
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* \return 1 on success and 0 otherwise
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*/
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int ECDSA_sign_ex(int type, const(ubyte)* dgst, int dgstlen,
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ubyte* sig, uint* siglen, const(BIGNUM)* kinv,
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const(BIGNUM)* rp, EC_KEY* eckey);
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/** Verifies that the given signature is valid ECDSA signature
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* of the supplied hash value using the specified public key.
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* \param type this parameter is ignored
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* \param dgst pointer to the hash value
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* \param dgstlen length of the hash value
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* \param sig pointer to the DER encoded signature
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* \param siglen length of the DER encoded signature
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* \param eckey EC_KEY object containing a public EC key
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* \return 1 if the signature is valid, 0 if the signature is invalid
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* and -1 on error
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*/
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int ECDSA_verify(int type, const(ubyte)* dgst, int dgstlen,
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const(ubyte)* sig, int siglen, EC_KEY* eckey);
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/* the standard ex_data functions */
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int ECDSA_get_ex_new_index(c_long argl, void* argp, CRYPTO_EX_new
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*new_func, CRYPTO_EX_dup* dup_func, CRYPTO_EX_free* free_func);
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int ECDSA_set_ex_data(EC_KEY* d, int idx, void* arg);
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void* ECDSA_get_ex_data(EC_KEY* d, int idx);
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/* BEGIN ERROR CODES */
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/* The following lines are auto generated by the script mkerr.pl. Any changes
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* made after this point may be overwritten when the script is next run.
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*/
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void ERR_load_ECDSA_strings();
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/* Error codes for the ECDSA functions. */
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/* Function codes. */
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enum ECDSA_F_ECDSA_CHECK = 104;
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enum ECDSA_F_ECDSA_DATA_NEW_METHOD = 100;
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enum ECDSA_F_ECDSA_DO_SIGN = 101;
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enum ECDSA_F_ECDSA_DO_VERIFY = 102;
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enum ECDSA_F_ECDSA_SIGN_SETUP = 103;
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/* Reason codes. */
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enum ECDSA_R_BAD_SIGNATURE = 100;
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enum ECDSA_R_DATA_TOO_LARGE_FOR_KEY_SIZE = 101;
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enum ECDSA_R_ERR_EC_LIB = 102;
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enum ECDSA_R_MISSING_PARAMETERS = 103;
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enum ECDSA_R_NEED_NEW_SETUP_VALUES = 106;
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enum ECDSA_R_NON_FIPS_METHOD = 107;
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enum ECDSA_R_RANDOM_NUMBER_GENERATION_FAILED = 104;
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enum ECDSA_R_SIGNATURE_MALLOC_FAILED = 105;
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