aboutsummaryrefslogtreecommitdiff
path: root/secure/lib/libcrypto/man/man3/OBJ_nid2obj.3
diff options
context:
space:
mode:
Diffstat (limited to 'secure/lib/libcrypto/man/man3/OBJ_nid2obj.3')
-rw-r--r--secure/lib/libcrypto/man/man3/OBJ_nid2obj.3182
1 files changed, 52 insertions, 130 deletions
diff --git a/secure/lib/libcrypto/man/man3/OBJ_nid2obj.3 b/secure/lib/libcrypto/man/man3/OBJ_nid2obj.3
index 10f728653301..e21e4d730458 100644
--- a/secure/lib/libcrypto/man/man3/OBJ_nid2obj.3
+++ b/secure/lib/libcrypto/man/man3/OBJ_nid2obj.3
@@ -1,4 +1,5 @@
-.\" Automatically generated by Pod::Man 4.14 (Pod::Simple 3.42)
+.\" -*- mode: troff; coding: utf-8 -*-
+.\" Automatically generated by Pod::Man 5.0102 (Pod::Simple 3.45)
.\"
.\" Standard preamble:
.\" ========================================================================
@@ -15,29 +16,12 @@
.ft R
.fi
..
-.\" Set up some character translations and predefined strings. \*(-- will
-.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
-.\" double quote, and \*(R" will give a right double quote. \*(C+ will
-.\" give a nicer C++. Capital omega is used to do unbreakable dashes and
-.\" therefore won't be available. \*(C` and \*(C' expand to `' in nroff,
-.\" nothing in troff, for use with C<>.
-.tr \(*W-
-.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
+.\" \*(C` and \*(C' are quotes in nroff, nothing in troff, for use with C<>.
.ie n \{\
-. ds -- \(*W-
-. ds PI pi
-. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
-. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch
-. ds L" ""
-. ds R" ""
. ds C` ""
. ds C' ""
'br\}
.el\{\
-. ds -- \|\(em\|
-. ds PI \(*p
-. ds L" ``
-. ds R" ''
. ds C`
. ds C'
'br\}
@@ -68,81 +52,21 @@
. \}
.\}
.rr rF
-.\" Fear. Run. Save yourself. No user-serviceable parts.
-. \" fudge factors for nroff and troff
-.if n \{\
-. ds #H 0
-. ds #V .8m
-. ds #F .3m
-. ds #[ \f1
-. ds #] \fP
-.\}
-.if t \{\
-. ds #H ((1u-(\\\\n(.fu%2u))*.13m)
-. ds #V .6m
-. ds #F 0
-. ds #[ \&
-. ds #] \&
-.\}
-. \" simple accents for nroff and troff
-.if n \{\
-. ds ' \&
-. ds ` \&
-. ds ^ \&
-. ds , \&
-. ds ~ ~
-. ds /
-.\}
-.if t \{\
-. ds ' \\k:\h'-(\\n(.wu*8/10-\*(#H)'\'\h"|\\n:u"
-. ds ` \\k:\h'-(\\n(.wu*8/10-\*(#H)'\`\h'|\\n:u'
-. ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'^\h'|\\n:u'
-. ds , \\k:\h'-(\\n(.wu*8/10)',\h'|\\n:u'
-. ds ~ \\k:\h'-(\\n(.wu-\*(#H-.1m)'~\h'|\\n:u'
-. ds / \\k:\h'-(\\n(.wu*8/10-\*(#H)'\z\(sl\h'|\\n:u'
-.\}
-. \" troff and (daisy-wheel) nroff accents
-.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
-.ds 8 \h'\*(#H'\(*b\h'-\*(#H'
-.ds o \\k:\h'-(\\n(.wu+\w'\(de'u-\*(#H)/2u'\v'-.3n'\*(#[\z\(de\v'.3n'\h'|\\n:u'\*(#]
-.ds d- \h'\*(#H'\(pd\h'-\w'~'u'\v'-.25m'\f2\(hy\fP\v'.25m'\h'-\*(#H'
-.ds D- D\\k:\h'-\w'D'u'\v'-.11m'\z\(hy\v'.11m'\h'|\\n:u'
-.ds th \*(#[\v'.3m'\s+1I\s-1\v'-.3m'\h'-(\w'I'u*2/3)'\s-1o\s+1\*(#]
-.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#]
-.ds ae a\h'-(\w'a'u*4/10)'e
-.ds Ae A\h'-(\w'A'u*4/10)'E
-. \" corrections for vroff
-.if v .ds ~ \\k:\h'-(\\n(.wu*9/10-\*(#H)'\s-2\u~\d\s+2\h'|\\n:u'
-.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
-. \" for low resolution devices (crt and lpr)
-.if \n(.H>23 .if \n(.V>19 \
-\{\
-. ds : e
-. ds 8 ss
-. ds o a
-. ds d- d\h'-1'\(ga
-. ds D- D\h'-1'\(hy
-. ds th \o'bp'
-. ds Th \o'LP'
-. ds ae ae
-. ds Ae AE
-.\}
-.rm #[ #] #H #V #F C
.\" ========================================================================
.\"
.IX Title "OBJ_NID2OBJ 3ossl"
-.TH OBJ_NID2OBJ 3ossl "2023-09-19" "3.0.11" "OpenSSL"
+.TH OBJ_NID2OBJ 3ossl 2025-07-01 3.5.1 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"
+.SH NAME
i2t_ASN1_OBJECT,
OBJ_length, OBJ_get0_data, OBJ_nid2obj, OBJ_nid2ln,
OBJ_nid2sn, OBJ_obj2nid, OBJ_txt2nid, OBJ_ln2nid, OBJ_sn2nid, OBJ_cmp,
OBJ_dup, OBJ_txt2obj, OBJ_obj2txt, OBJ_create, OBJ_cleanup, OBJ_add_sigid
\&\- ASN1 object utility functions
-.SH "SYNOPSIS"
+.SH SYNOPSIS
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/objects.h>
@@ -174,44 +98,44 @@ OBJ_dup, OBJ_txt2obj, OBJ_obj2txt, OBJ_create, OBJ_cleanup, OBJ_add_sigid
.Ve
.PP
The following function has been deprecated since OpenSSL 1.1.0, and can be
-hidden entirely by defining \fB\s-1OPENSSL_API_COMPAT\s0\fR with a suitable version value,
+hidden entirely by defining \fBOPENSSL_API_COMPAT\fR with a suitable version value,
see \fBopenssl_user_macros\fR\|(7):
.PP
.Vb 1
\& void OBJ_cleanup(void);
.Ve
-.SH "DESCRIPTION"
+.SH DESCRIPTION
.IX Header "DESCRIPTION"
-The \s-1ASN1\s0 object utility functions process \s-1ASN1_OBJECT\s0 structures which are
-a representation of the \s-1ASN1 OBJECT IDENTIFIER\s0 (\s-1OID\s0) type.
+The ASN1 object utility functions process ASN1_OBJECT structures which are
+a representation of the ASN1 OBJECT IDENTIFIER (OID) type.
For convenience, OIDs are usually represented in source code as numeric
-identifiers, or \fB\s-1NID\s0\fRs. OpenSSL has an internal table of OIDs that
+identifiers, or \fBNID\fRs. OpenSSL has an internal table of OIDs that
are generated when the library is built, and their corresponding NIDs
are available as defined constants. For the functions below, application
-code should treat all returned values \*(-- OIDs, NIDs, or names \*(-- as
+code should treat all returned values \-\- OIDs, NIDs, or names \-\- as
constants.
.PP
-\&\fBOBJ_nid2obj()\fR, \fBOBJ_nid2ln()\fR and \fBOBJ_nid2sn()\fR convert the \s-1NID\s0 \fIn\fR to
-an \s-1ASN1_OBJECT\s0 structure, its long name and its short name respectively,
-or \fB\s-1NULL\s0\fR if an error occurred.
+\&\fBOBJ_nid2obj()\fR, \fBOBJ_nid2ln()\fR and \fBOBJ_nid2sn()\fR convert the NID \fIn\fR to
+an ASN1_OBJECT structure, its long name and its short name respectively,
+or \fBNULL\fR if an error occurred.
.PP
-\&\fBOBJ_obj2nid()\fR, \fBOBJ_ln2nid()\fR, \fBOBJ_sn2nid()\fR return the corresponding \s-1NID\s0
+\&\fBOBJ_obj2nid()\fR, \fBOBJ_ln2nid()\fR, \fBOBJ_sn2nid()\fR return the corresponding NID
for the object \fIo\fR, the long name \fIln\fR or the short name \fIsn\fR respectively
or NID_undef if an error occurred.
.PP
-\&\fBOBJ_txt2nid()\fR returns \s-1NID\s0 corresponding to text string \fIs\fR. \fIs\fR can be
+\&\fBOBJ_txt2nid()\fR returns NID corresponding to text string \fIs\fR. \fIs\fR can be
a long name, a short name or the numerical representation of an object.
.PP
-\&\fBOBJ_txt2obj()\fR converts the text string \fIs\fR into an \s-1ASN1_OBJECT\s0 structure.
+\&\fBOBJ_txt2obj()\fR converts the text string \fIs\fR into an ASN1_OBJECT structure.
If \fIno_name\fR is 0 then long names and short names will be interpreted
as well as numerical forms. If \fIno_name\fR is 1 only the numerical form
is acceptable.
.PP
-\&\fBOBJ_obj2txt()\fR converts the \fB\s-1ASN1_OBJECT\s0\fR \fIa\fR into a textual representation.
-Unless \fIbuf\fR is \s-1NULL,\s0
+\&\fBOBJ_obj2txt()\fR converts the \fBASN1_OBJECT\fR \fIa\fR into a textual representation.
+Unless \fIbuf\fR is NULL,
the representation is written as a NUL-terminated string to \fIbuf\fR, where
at most \fIbuf_len\fR bytes are written, truncating the result if necessary.
-In any case it returns the total string length, excluding the \s-1NUL\s0 character,
+In any case it returns the total string length, excluding the NUL character,
required for non-truncated representation, or \-1 on error.
If \fIno_name\fR is 0 then if the object has a long or short name
then that will be used, otherwise the numerical form will be used.
@@ -225,31 +149,32 @@ If \fIno_name\fR is 1 then the numerical form will always be used.
.PP
\&\fBOBJ_create()\fR adds a new object to the internal table. \fIoid\fR is the
numerical form of the object, \fIsn\fR the short name and \fIln\fR the
-long name. A new \s-1NID\s0 is returned for the created object in case of
-success and NID_undef in case of failure.
+long name. A new NID is returned for the created object in case of
+success and NID_undef in case of failure. Any of \fIoid\fR, \fIsn\fR and
+\&\fIln\fR may be NULL, but not all at once.
.PP
\&\fBOBJ_length()\fR returns the size of the content octets of \fIobj\fR.
.PP
\&\fBOBJ_get0_data()\fR returns a pointer to the content octets of \fIobj\fR.
The returned pointer is an internal pointer which \fBmust not\fR be freed.
.PP
-\&\fBOBJ_add_sigid()\fR creates a new composite \*(L"Signature Algorithm\*(R" that associates a
-given \s-1NID\s0 with two other NIDs \- one representing the underlying signature
+\&\fBOBJ_add_sigid()\fR creates a new composite "Signature Algorithm" that associates a
+given NID with two other NIDs \- one representing the underlying signature
algorithm and the other representing a digest algorithm to be used in
-conjunction with it. \fIsignid\fR represents the \s-1NID\s0 for the composite \*(L"Signature
-Algorithm\*(R", \fIdig_id\fR is the \s-1NID\s0 for the digest algorithm and \fIpkey_id\fR is the
-\&\s-1NID\s0 for the underlying signature algorithm. As there are signature algorithms
+conjunction with it. \fIsignid\fR represents the NID for the composite "Signature
+Algorithm", \fIdig_id\fR is the NID for the digest algorithm and \fIpkey_id\fR is the
+NID for the underlying signature algorithm. As there are signature algorithms
that do not require a digest, NID_undef is a valid \fIdig_id\fR.
.PP
\&\fBOBJ_cleanup()\fR releases any resources allocated by creating new objects.
-.SH "NOTES"
+.SH NOTES
.IX Header "NOTES"
Objects in OpenSSL can have a short name, a long name and a numerical
-identifier (\s-1NID\s0) associated with them. A standard set of objects is
+identifier (NID) associated with them. A standard set of objects is
represented in an internal table. The appropriate values are defined
in the header file \fBobjects.h\fR.
.PP
-For example the \s-1OID\s0 for commonName has the following definitions:
+For example the OID for commonName has the following definitions:
.PP
.Vb 3
\& #define SN_commonName "CN"
@@ -264,39 +189,41 @@ their NIDs can be used in a C language switch statement. They are
also static constant structures which are shared: that is there
is only a single constant structure for each table object.
.PP
-Objects which are not in the table have the \s-1NID\s0 value NID_undef.
+Objects which are not in the table have the NID value NID_undef.
.PP
Objects do not need to be in the internal tables to be processed,
the functions \fBOBJ_txt2obj()\fR and \fBOBJ_obj2txt()\fR can process the numerical
-form of an \s-1OID.\s0
+form of an OID.
.PP
Some objects are used to represent algorithms which do not have a
-corresponding \s-1ASN.1 OBJECT IDENTIFIER\s0 encoding (for example no \s-1OID\s0 currently
+corresponding ASN.1 OBJECT IDENTIFIER encoding (for example no OID currently
exists for a particular algorithm). As a result they \fBcannot\fR be encoded or
-decoded as part of \s-1ASN.1\s0 structures. Applications can determine if there
-is a corresponding \s-1OBJECT IDENTIFIER\s0 by checking \fBOBJ_length()\fR is not zero.
+decoded as part of ASN.1 structures. Applications can determine if there
+is a corresponding OBJECT IDENTIFIER by checking \fBOBJ_length()\fR is not zero.
.PP
-These functions cannot return \fBconst\fR because an \fB\s-1ASN1_OBJECT\s0\fR can
-represent both an internal, constant, \s-1OID\s0 and a dynamically-created one.
+These functions cannot return \fBconst\fR because an \fBASN1_OBJECT\fR can
+represent both an internal, constant, OID and a dynamically-created one.
The latter cannot be constant because it needs to be freed after use.
+.PP
+These functions were not thread safe in OpenSSL 3.0 and before.
.SH "RETURN VALUES"
.IX Header "RETURN VALUES"
-\&\fBOBJ_nid2obj()\fR returns an \fB\s-1ASN1_OBJECT\s0\fR structure or \fB\s-1NULL\s0\fR is an
+\&\fBOBJ_nid2obj()\fR returns an \fBASN1_OBJECT\fR structure or \fBNULL\fR is an
error occurred.
.PP
-\&\fBOBJ_nid2ln()\fR and \fBOBJ_nid2sn()\fR returns a valid string or \fB\s-1NULL\s0\fR
+\&\fBOBJ_nid2ln()\fR and \fBOBJ_nid2sn()\fR returns a valid string or \fBNULL\fR
on error.
.PP
\&\fBOBJ_obj2nid()\fR, \fBOBJ_ln2nid()\fR, \fBOBJ_sn2nid()\fR and \fBOBJ_txt2nid()\fR return
-a \s-1NID\s0 or \fBNID_undef\fR on error.
+a NID or \fBNID_undef\fR on error.
.PP
\&\fBOBJ_add_sigid()\fR returns 1 on success or 0 on error.
.PP
\&\fBi2t_ASN1_OBJECT()\fR an \fBOBJ_obj2txt()\fR return \-1 on error.
On success, they return the length of the string written to \fIbuf\fR if \fIbuf\fR is
-not \s-1NULL\s0 and \fIbuf_len\fR is big enough, otherwise the total string length.
-Note that this does not count the trailing \s-1NUL\s0 character.
-.SH "EXAMPLES"
+not NULL and \fIbuf_len\fR is big enough, otherwise the total string length.
+Note that this does not count the trailing NUL character.
+.SH EXAMPLES
.IX Header "EXAMPLES"
Create an object for \fBcommonName\fR:
.PP
@@ -311,7 +238,7 @@ Check if an object is \fBcommonName\fR
\& /* Do something */
.Ve
.PP
-Create a new \s-1NID\s0 and initialize an object from it:
+Create a new NID and initialize an object from it:
.PP
.Vb 2
\& int new_nid = OBJ_create("1.2.3.4", "NewOID", "New Object Identifier");
@@ -323,23 +250,18 @@ Create a new object directly:
.Vb 1
\& obj = OBJ_txt2obj("1.2.3.4", 1);
.Ve
-.SH "BUGS"
-.IX Header "BUGS"
-Neither \fBOBJ_create()\fR nor \fBOBJ_add_sigid()\fR do any locking and are thus not
-thread safe. Moreover, none of the other functions should be called while
-concurrent calls to these two functions are possible.
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fBERR_get_error\fR\|(3)
-.SH "HISTORY"
+.SH HISTORY
.IX Header "HISTORY"
\&\fBOBJ_cleanup()\fR was deprecated in OpenSSL 1.1.0 by \fBOPENSSL_init_crypto\fR\|(3)
and should not be used.
-.SH "COPYRIGHT"
+.SH COPYRIGHT
.IX Header "COPYRIGHT"
Copyright 2002\-2021 The OpenSSL Project Authors. All Rights Reserved.
.PP
-Licensed under the Apache License 2.0 (the \*(L"License\*(R"). You may not use
+Licensed under the Apache License 2.0 (the "License"). 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
+in the file LICENSE in the source distribution or at
<https://www.openssl.org/source/license.html>.