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Document X509_verify_ex() and X509_REQ_verify_ex()

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Reviewed-by: Shane Lontis <shane.lontis@oracle.com>
Reviewed-by: Tomas Mraz <tmraz@fedoraproject.org>
(Merged from https://github.com/openssl/openssl/pull/11507)
This commit is contained in:
Matt Caswell 2020-04-09 14:26:25 +01:00
parent 465f34ed27
commit 7525c93030
1 changed files with 30 additions and 18 deletions
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48
doc/man3/X509_sign.pod
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@ -2,9 +2,10 @@
=head1 NAME
X509_sign, X509_sign_ctx, X509_verify, X509_REQ_sign, X509_REQ_sign_ctx,
X509_REQ_verify, X509_CRL_sign, X509_CRL_sign_ctx, X509_CRL_verify -
sign or verify certificate, certificate request or CRL signature
X509_sign, X509_sign_ctx, X509_verify_ex, X509_verify, X509_REQ_sign,
X509_REQ_sign_ctx, X509_REQ_verify_ex, X509_REQ_verify, X509_CRL_sign,
X509_CRL_sign_ctx, X509_CRL_verify
- sign or verify certificate, certificate request or CRL signature
=head1 SYNOPSIS
@ -12,27 +13,35 @@ sign or verify certificate, certificate request or CRL signature
int X509_sign(X509 *x, EVP_PKEY *pkey, const EVP_MD *md);
int X509_sign_ctx(X509 *x, EVP_MD_CTX *ctx);
int X509_verify(X509 *a, EVP_PKEY *r);
int X509_verify_ex(X509 *x, EVP_PKEY *pkey, OPENSSL_CTX *libctx, const char *propq);
int X509_verify(X509 *x, EVP_PKEY *pkey;
int X509_REQ_sign(X509_REQ *x, EVP_PKEY *pkey, const EVP_MD *md);
int X509_REQ_sign_ctx(X509_REQ *x, EVP_MD_CTX *ctx);
int X509_REQ_verify(X509_REQ *a, EVP_PKEY *r);
int X509_REQ_verify_ex(X509_REQ *a, EVP_PKEY *pkey, OPENSSL_CTX *libctx,
const char *propq);
int X509_REQ_verify(X509_REQ *a, EVP_PKEY *pkey);
int X509_CRL_sign(X509_CRL *x, EVP_PKEY *pkey, const EVP_MD *md);
int X509_CRL_sign_ctx(X509_CRL *x, EVP_MD_CTX *ctx);
int X509_CRL_verify(X509_CRL *a, EVP_PKEY *r);
int X509_CRL_verify(X509_CRL *a, EVP_PKEY *pkey);
=head1 DESCRIPTION
X509_sign() signs certificate B<x> using private key B<pkey> and message
digest B<md> and sets the signature in B<x>. X509_sign_ctx() also signs
certificate B<x> but uses the parameters contained in digest context B<ctx>.
X509_sign() signs certificate I<x> using private key I<pkey> and message
digest I<md> and sets the signature in I<x>. X509_sign_ctx() also signs
certificate I<x> but uses the parameters contained in digest context I<ctx>.
X509_verify() verifies the signature of certificate B<x> using public key
B<pkey>. Only the signature is checked: no other checks (such as certificate
chain validity) are performed.
X509_verify_ex() verifies the signature of certificate I<x> using public key
I<pkey>. Any cryptographic algorithms required for the verification are fetched
using the library context I<libctx> and the property query string I<propq>. Only
the signature is checked: no other checks (such as certificate chain validity)
are performed.
X509_REQ_sign(), X509_REQ_sign_ctx(), X509_REQ_verify(),
X509_verify() is the same as X509_verify_ex() except that the default library
context and property query string are used.
X509_REQ_sign(), X509_REQ_sign_ctx(), X509_REQ_verify_ex(), X509_REQ_verify(),
X509_CRL_sign(), X509_CRL_sign_ctx() and X509_CRL_verify() sign and verify
certificate requests and CRLs respectively.
@ -55,10 +64,10 @@ X509_sign(), X509_sign_ctx(), X509_REQ_sign(), X509_REQ_sign_ctx(),
X509_CRL_sign() and X509_CRL_sign_ctx() return the size of the signature
in bytes for success and zero for failure.
X509_verify(), X509_REQ_verify() and X509_CRL_verify() return 1 if the
signature is valid and 0 if the signature check fails. If the signature
could not be checked at all because it was invalid or some other error
occurred then -1 is returned.
X509_verify_ex(), X509_verify(), X509_REQ_verify_ex(), X509_REQ_verify() and
X509_CRL_verify() return 1 if the signature is valid and 0 if the signature
check fails. If the signature could not be checked at all because it was invalid
or some other error occurred then -1 is returned.
=head1 SEE ALSO
@ -77,7 +86,8 @@ L<X509_NAME_get_index_by_NID(3)>,
L<X509_NAME_print_ex(3)>,
L<X509_new(3)>,
L<X509V3_get_d2i(3)>,
L<X509_verify_cert(3)>
L<X509_verify_cert(3)>,
L<OPENSSL_CTX(3)>
=head1 HISTORY
@ -87,6 +97,8 @@ available in all versions of OpenSSL.
The X509_sign_ctx(), X509_REQ_sign_ctx()
and X509_CRL_sign_ctx() functions were added OpenSSL 1.0.1.
X509_verify_ex() and X509_REQ_verify_ex() were added in OpenSSL 3.0.
=head1 COPYRIGHT
Copyright 2015-2016 The OpenSSL Project Authors. All Rights Reserved.