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# Conflicts:
#	README.md
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Zhi Guan
2017-02-14 16:12:29 +08:00
parent d2254170b8
commit 43fed1108d
3503 changed files with 320546 additions and 408546 deletions
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40
doc/crypto/EVP_VerifyInit.pod
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@@ -2,7 +2,9 @@
=head1 NAME
EVP_VerifyInit, EVP_VerifyUpdate, EVP_VerifyFinal - EVP signature verification functions
EVP_VerifyInit_ex,
EVP_VerifyInit, EVP_VerifyUpdate, EVP_VerifyFinal
- EVP signature verification functions
=head1 SYNOPSIS
@@ -10,7 +12,7 @@ EVP_VerifyInit, EVP_VerifyUpdate, EVP_VerifyFinal - EVP signature verification f
int EVP_VerifyInit_ex(EVP_MD_CTX *ctx, const EVP_MD *type, ENGINE *impl);
int EVP_VerifyUpdate(EVP_MD_CTX *ctx, const void *d, unsigned int cnt);
int EVP_VerifyFinal(EVP_MD_CTX *ctx,unsigned char *sigbuf, unsigned int siglen,EVP_PKEY *pkey);
int EVP_VerifyFinal(EVP_MD_CTX *ctx, unsigned char *sigbuf, unsigned int siglen, EVP_PKEY *pkey);
int EVP_VerifyInit(EVP_MD_CTX *ctx, const EVP_MD *type);
@@ -20,8 +22,8 @@ The EVP signature verification routines are a high level interface to digital
signatures.
EVP_VerifyInit_ex() sets up verification context B<ctx> to use digest
B<type> from ENGINE B<impl>. B<ctx> must be initialized by calling
EVP_MD_CTX_init() before calling this function.
B<type> from ENGINE B<impl>. B<ctx> must be created by calling
EVP_MD_CTX_new() before calling this function.
EVP_VerifyUpdate() hashes B<cnt> bytes of data at B<d> into the
verification context B<ctx>. This function can be called several times on the
@@ -41,7 +43,7 @@ failure.
EVP_VerifyFinal() returns 1 for a correct signature, 0 for failure and -1 if some
other error occurred.
The error codes can be obtained by L<ERR_get_error(3)|ERR_get_error(3)>.
The error codes can be obtained by L<ERR_get_error(3)>.
=head1 NOTES
@@ -51,8 +53,8 @@ transparent to the algorithm used and much more flexible.
Due to the link between message digests and public key algorithms the correct
digest algorithm must be used with the correct public key type. A list of
algorithms and associated public key algorithms appears in
L<EVP_DigestInit(3)|EVP_DigestInit(3)>.
algorithms and associated public key algorithms appears in
L<EVP_DigestInit(3)>.
The call to EVP_VerifyFinal() internally finalizes a copy of the digest context.
This means that calls to EVP_VerifyUpdate() and EVP_VerifyFinal() can be called
@@ -64,7 +66,7 @@ will occur.
=head1 BUGS
Older versions of this documentation wrongly stated that calls to
Older versions of this documentation wrongly stated that calls to
EVP_VerifyUpdate() could not be made after calling EVP_VerifyFinal().
Since the public key is passed in the call to EVP_SignFinal() any error
@@ -78,18 +80,20 @@ The previous two bugs are fixed in the newer EVP_VerifyDigest*() function.
=head1 SEE ALSO
L<evp(3)|evp(3)>,
L<EVP_SignInit(3)|EVP_SignInit(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)>
L<evp(3)>,
L<EVP_SignInit(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)>
=head1 HISTORY
=head1 COPYRIGHT
EVP_VerifyInit(), EVP_VerifyUpdate() and EVP_VerifyFinal() are
available in all versions of SSLeay and OpenSSL.
Copyright 2000-2016 The OpenSSL Project Authors. All Rights Reserved.
EVP_VerifyInit_ex() was added in OpenSSL 0.9.7
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