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authorJung-uk Kim <jkim@FreeBSD.org>2020-02-21 00:33:21 +0000
committerJung-uk Kim <jkim@FreeBSD.org>2020-02-21 00:33:21 +0000
commit6b4382c4054d7c169c6140feaa144ca360a90ead (patch)
tree176bf7fdbae226099058e11e9a429805b6e0af42 /secure/lib/libcrypto/man/man3/X509_sign.3
parent24722aacdb06a5ac6780beef7db856a0f99095c3 (diff)
downloadsrc-6b4382c4054d7c169c6140feaa144ca360a90ead.tar.gz
src-6b4382c4054d7c169c6140feaa144ca360a90ead.zip
MFC: r356963
Install man5 and man7 for OpenSSL.
Notes
Notes: svn path=/stable/12/; revision=358188
Diffstat (limited to 'secure/lib/libcrypto/man/man3/X509_sign.3')
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+.rm #[ #] #H #V #F C
+.\" ========================================================================
+.\"
+.IX Title "X509_SIGN 3"
+.TH X509_SIGN 3 "2019-09-10" "1.1.1d" "OpenSSL"
+.\" For nroff, turn off justification. Always turn off hyphenation; it makes
+.\" way too many mistakes in technical documents.
+.if n .ad l
+.nh
+.SH "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
+.SH "SYNOPSIS"
+.IX Header "SYNOPSIS"
+.Vb 1
+\& #include <openssl/x509.h>
+\&
+\& 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_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_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);
+.Ve
+.SH "DESCRIPTION"
+.IX Header "DESCRIPTION"
+\&\fBX509_sign()\fR signs certificate \fBx\fR using private key \fBpkey\fR and message
+digest \fBmd\fR and sets the signature in \fBx\fR. \fBX509_sign_ctx()\fR also signs
+certificate \fBx\fR but uses the parameters contained in digest context \fBctx\fR.
+.PP
+\&\fBX509_verify()\fR verifies the signature of certificate \fBx\fR using public key
+\&\fBpkey\fR. Only the signature is checked: no other checks (such as certificate
+chain validity) are performed.
+.PP
+\&\fBX509_REQ_sign()\fR, \fBX509_REQ_sign_ctx()\fR, \fBX509_REQ_verify()\fR,
+\&\fBX509_CRL_sign()\fR, \fBX509_CRL_sign_ctx()\fR and \fBX509_CRL_verify()\fR sign and verify
+certificate requests and CRLs respectively.
+.SH "NOTES"
+.IX Header "NOTES"
+\&\fBX509_sign_ctx()\fR is used where the default parameters for the corresponding
+public key and digest are not suitable. It can be used to sign keys using
+RSA-PSS for example.
+.PP
+For efficiency reasons and to work around \s-1ASN.1\s0 encoding issues the encoding
+of the signed portion of a certificate, certificate request and \s-1CRL\s0 is cached
+internally. If the signed portion of the structure is modified the encoding
+is not always updated meaning a stale version is sometimes used. This is not
+normally a problem because modifying the signed portion will invalidate the
+signature and signing will always update the encoding.
+.SH "RETURN VALUES"
+.IX Header "RETURN VALUES"
+\&\fBX509_sign()\fR, \fBX509_sign_ctx()\fR, \fBX509_REQ_sign()\fR, \fBX509_REQ_sign_ctx()\fR,
+\&\fBX509_CRL_sign()\fR and \fBX509_CRL_sign_ctx()\fR return the size of the signature
+in bytes for success and zero for failure.
+.PP
+\&\fBX509_verify()\fR, \fBX509_REQ_verify()\fR and \fBX509_CRL_verify()\fR 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.
+.SH "SEE ALSO"
+.IX Header "SEE ALSO"
+\&\fBd2i_X509\fR\|(3),
+\&\fBERR_get_error\fR\|(3),
+\&\fBX509_CRL_get0_by_serial\fR\|(3),
+\&\fBX509_get0_signature\fR\|(3),
+\&\fBX509_get_ext_d2i\fR\|(3),
+\&\fBX509_get_extension_flags\fR\|(3),
+\&\fBX509_get_pubkey\fR\|(3),
+\&\fBX509_get_subject_name\fR\|(3),
+\&\fBX509_get_version\fR\|(3),
+\&\fBX509_NAME_add_entry_by_txt\fR\|(3),
+\&\fBX509_NAME_ENTRY_get_object\fR\|(3),
+\&\fBX509_NAME_get_index_by_NID\fR\|(3),
+\&\fBX509_NAME_print_ex\fR\|(3),
+\&\fBX509_new\fR\|(3),
+\&\fBX509V3_get_d2i\fR\|(3),
+\&\fBX509_verify_cert\fR\|(3)
+.SH "HISTORY"
+.IX Header "HISTORY"
+The \fBX509_sign()\fR, \fBX509_REQ_sign()\fR and \fBX509_CRL_sign()\fR functions are
+available in all versions of OpenSSL.
+.PP
+The \fBX509_sign_ctx()\fR, \fBX509_REQ_sign_ctx()\fR
+and \fBX509_CRL_sign_ctx()\fR functions were added OpenSSL 1.0.1.
+.SH "COPYRIGHT"
+.IX Header "COPYRIGHT"
+Copyright 2015\-2016 The OpenSSL Project Authors. All Rights Reserved.
+.PP
+Licensed under the OpenSSL license (the \*(L"License\*(R"). You may not use
+this file except in compliance with the License. You can obtain a copy
+in the file \s-1LICENSE\s0 in the source distribution or at
+<https://www.openssl.org/source/license.html>.