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quantum init

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This commit is contained in:
zhaoxiaomeng
2018-01-04 13:38:57 +08:00
committed by Simon
parent d11f845fde
commit 53af3b51ae
2361 changed files with 387455 additions and 144458 deletions
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35
doc/crypto/EVP_DigestSignInit.pod
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@@ -1,7 +1,5 @@
=pod
=encoding utf8
=head1 NAME
EVP_DigestSignInit, EVP_DigestSignUpdate, EVP_DigestSignFinal - EVP signing functions
@@ -11,7 +9,7 @@ EVP_DigestSignInit, EVP_DigestSignUpdate, EVP_DigestSignFinal - EVP signing func
#include <openssl/evp.h>
int EVP_DigestSignInit(EVP_MD_CTX *ctx, EVP_PKEY_CTX **pctx,
const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
const EVP_MD *type, ENGINE *e, EVP_PKEY *pkey);
int EVP_DigestSignUpdate(EVP_MD_CTX *ctx, const void *d, size_t cnt);
int EVP_DigestSignFinal(EVP_MD_CTX *ctx, unsigned char *sig, size_t *siglen);
@@ -20,15 +18,15 @@ EVP_DigestSignInit, EVP_DigestSignUpdate, EVP_DigestSignFinal - EVP signing func
The EVP signature routines are a high level interface to digital signatures.
EVP_DigestSignInit() sets up signing context B<ctx> to use digest B<type> from
ENGINE B<impl> and private key B<pkey>. B<ctx> must be created with
EVP_MD_CTX_new() before calling this function. If B<pctx> is not NULL the
ENGINE B<impl> and private key B<pkey>. B<ctx> must be initialized with
EVP_MD_CTX_init() before calling this function. If B<pctx> is not NULL the
EVP_PKEY_CTX of the signing operation will be written to B<*pctx>: this can
be used to set alternative signing options.
EVP_DigestSignUpdate() hashes B<cnt> bytes of data at B<d> into the
signature context B<ctx>. This function can be called several times on the
same B<ctx> to include additional data. This function is currently implemented
using a macro.
usig a macro.
EVP_DigestSignFinal() signs the data in B<ctx> places the signature in B<sig>.
If B<sig> is B<NULL> then the maximum size of the output buffer is written to
@@ -44,7 +42,7 @@ EVP_DigestSignInit() EVP_DigestSignUpdate() and EVP_DigestSignaFinal() return
value of -2 indicates the operation is not supported by the public key
algorithm.
The error codes can be obtained from L<ERR_get_error(3)>.
The error codes can be obtained from L<ERR_get_error(3)|ERR_get_error(3)>.
=head1 NOTES
@@ -58,7 +56,7 @@ needed to be used to sign using SHA1 and DSA. This is no longer necessary and
the use of clone digest is now discouraged.
For some key types and parameters the random number generator must be seeded
or the operation will fail.
or the operation will fail.
The call to EVP_DigestSignFinal() internally finalizes a copy of the digest
context. This means that calls to EVP_DigestSignUpdate() and
@@ -75,24 +73,15 @@ which indicates the maximum possible signature for any set of parameters.
=head1 SEE ALSO
L<EVP_DigestVerifyInit(3)>,
L<EVP_DigestInit(3)>, L<err(3)>,
L<evp(3)>, L<hmac(3)>, L<md2(3)>,
L<md5(3)>, L<mdc2(3)>, L<ripemd(3)>,
L<sha(3)>, L<dgst(1)>
L<EVP_DigestVerifyInit(3)|EVP_DigestVerifyInit(3)>,
L<EVP_DigestInit(3)|EVP_DigestInit(3)>, L<err(3)|err(3)>,
L<evp(3)|evp(3)>, L<hmac(3)|hmac(3)>, L<md2(3)|md2(3)>,
L<md5(3)|md5(3)>, L<mdc2(3)|mdc2(3)>, L<ripemd(3)|ripemd(3)>,
L<sha(3)|sha(3)>, L<dgst(1)|dgst(1)>
=head1 HISTORY
EVP_DigestSignInit(), EVP_DigestSignUpdate() and EVP_DigestSignFinal()
EVP_DigestSignInit(), EVP_DigestSignUpdate() and EVP_DigestSignFinal()
were first added to OpenSSL 1.0.0.
=head1 COPYRIGHT
Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the OpenSSL license (the "License"). You may not use
this file except in compliance with the License. You can obtain a copy
in the file LICENSE in the source distribution or at
L<https://www.openssl.org/source/license.html>.
=cut