Deleted Added
full compact
ASN1_STRING_length.3 (110010) ASN1_STRING_length.3 (110655)
1.\" Automatically generated by Pod::Man version 1.15
1.\" Automatically generated by Pod::Man version 1.15
2.\" Mon Jan 13 19:26:46 2003
2.\" Mon Feb 3 10:01:37 2003
3.\"
4.\" Standard preamble:
5.\" ======================================================================
6.de Sh \" Subsection heading
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31
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33..
34.\" Set up some character translations and predefined strings. \*(-- will
35.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
36.\" double quote, and \*(R" will give a right double quote. | will give a
37.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used
38.\" to do unbreakable dashes and therefore won't be available. \*(C` and
39.\" \*(C' expand to `' in nroff, nothing in troff, for use with C<>
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58.\"
59.\" If the F register is turned on, we'll generate index entries on stderr
60.\" for titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and
61.\" index entries marked with X<> in POD. Of course, you'll have to process
62.\" the output yourself in some meaningful fashion.
63.if \nF \{\
64. de IX
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70.\"
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137.rm #[ #] #H #V #F C
138.\" ======================================================================
139.\"
140.IX Title "ASN1_STRING_length 3"
3.\"
4.\" Standard preamble:
5.\" ======================================================================
6.de Sh \" Subsection heading
7.br
8.if t .Sp
9.ne 5
10.PP
11\fB\\$1\fR
12.PP
13..
14.de Sp \" Vertical space (when we can't use .PP)
15.if t .sp .5v
16.if n .sp
17..
18.de Ip \" List item
19.br
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21.el .ne 3
22.IP "\\$1" \\$2
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27.ne \\$1
28..
29.de Ve \" End verbatim text
30.ft R
31
32.fi
33..
34.\" Set up some character translations and predefined strings. \*(-- will
35.\" give an unbreakable dash, \*(PI will give pi, \*(L" will give a left
36.\" double quote, and \*(R" will give a right double quote. | will give a
37.\" real vertical bar. \*(C+ will give a nicer C++. Capital omega is used
38.\" to do unbreakable dashes and therefore won't be available. \*(C` and
39.\" \*(C' expand to `' in nroff, nothing in troff, for use with C<>
40.tr \(*W-|\(bv\*(Tr
41.ds C+ C\v'-.1v'\h'-1p'\s-2+\h'-1p'+\s0\v'.1v'\h'-1p'
42.ie n \{\
43. ds -- \(*W-
44. ds PI pi
45. if (\n(.H=4u)&(1m=24u) .ds -- \(*W\h'-12u'\(*W\h'-12u'-\" diablo 10 pitch
46. if (\n(.H=4u)&(1m=20u) .ds -- \(*W\h'-12u'\(*W\h'-8u'-\" diablo 12 pitch
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48. ds R" ""
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50. ds C' ""
51'br\}
52.el\{\
53. ds -- \|\(em\|
54. ds PI \(*p
55. ds L" ``
56. ds R" ''
57'br\}
58.\"
59.\" If the F register is turned on, we'll generate index entries on stderr
60.\" for titles (.TH), headers (.SH), subsections (.Sh), items (.Ip), and
61.\" index entries marked with X<> in POD. Of course, you'll have to process
62.\" the output yourself in some meaningful fashion.
63.if \nF \{\
64. de IX
65. tm Index:\\$1\t\\n%\t"\\$2"
66..
67. nr % 0
68. rr F
69.\}
70.\"
71.\" For nroff, turn off justification. Always turn off hyphenation; it
72.\" makes way too many mistakes in technical documents.
73.hy 0
74.if n .na
75.\"
76.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2).
77.\" Fear. Run. Save yourself. No user-serviceable parts.
78.bd B 3
79. \" fudge factors for nroff and troff
80.if n \{\
81. ds #H 0
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110.\}
111. \" troff and (daisy-wheel) nroff accents
112.ds : \\k:\h'-(\\n(.wu*8/10-\*(#H+.1m+\*(#F)'\v'-\*(#V'\z.\h'.2m+\*(#F'.\h'|\\n:u'\v'\*(#V'
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118.ds Th \*(#[\s+2I\s-2\h'-\w'I'u*3/5'\v'-.3m'o\v'.3m'\*(#]
119.ds ae a\h'-(\w'a'u*4/10)'e
120.ds Ae A\h'-(\w'A'u*4/10)'E
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123.if v .ds ^ \\k:\h'-(\\n(.wu*10/11-\*(#H)'\v'-.4m'^\v'.4m'\h'|\\n:u'
124. \" for low resolution devices (crt and lpr)
125.if \n(.H>23 .if \n(.V>19 \
126\{\
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136.\}
137.rm #[ #] #H #V #F C
138.\" ======================================================================
139.\"
140.IX Title "ASN1_STRING_length 3"
141.TH ASN1_STRING_length 3 "0.9.7" "2003-01-13" "OpenSSL"
141.TH ASN1_STRING_length 3 "0.9.7" "2003-02-03" "OpenSSL"
142.UC
143.SH "NAME"
144ASN1_STRING_dup, ASN1_STRING_cmp, ASN1_STRING_set, ASN1_STRING_length,
145ASN1_STRING_length_set, ASN1_STRING_type, ASN1_STRING_data \-
146\&\s-1ASN1_STRING\s0 utility functions
147.SH "SYNOPSIS"
148.IX Header "SYNOPSIS"
149.Vb 2
150\& int ASN1_STRING_length(ASN1_STRING *x);
151\& unsigned char * ASN1_STRING_data(ASN1_STRING *x);
152.Ve
153.Vb 1
154\& ASN1_STRING * ASN1_STRING_dup(ASN1_STRING *a);
155.Ve
156.Vb 1
157\& int ASN1_STRING_cmp(ASN1_STRING *a, ASN1_STRING *b);
158.Ve
159.Vb 1
160\& int ASN1_STRING_set(ASN1_STRING *str, const void *data, int len);
161.Ve
162.Vb 1
163\& int ASN1_STRING_type(ASN1_STRING *x);
164.Ve
165.Vb 1
166\& int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in);
167.Ve
168.SH "DESCRIPTION"
169.IX Header "DESCRIPTION"
170These functions allow an \fB\s-1ASN1_STRING\s0\fR structure to be manipulated.
171.PP
172\&\fIASN1_STRING_length()\fR returns the length of the content of \fBx\fR.
173.PP
174\&\fIASN1_STRING_data()\fR returns an internal pointer to the data of \fBx\fR.
175Since this is an internal pointer it should \fBnot\fR be freed or
176modified in any way.
177.PP
178\&\fIASN1_STRING_dup()\fR returns a copy of the structure \fBa\fR.
179.PP
180\&\fIASN1_STRING_cmp()\fR compares \fBa\fR and \fBb\fR returning 0 if the two
181are identical. The string types and content are compared.
182.PP
183\&\fIASN1_STRING_set()\fR sets the data of string \fBstr\fR to the buffer
184\&\fBdata\fR or length \fBlen\fR. The supplied data is copied. If \fBlen\fR
185is \-1 then the length is determined by strlen(data).
186.PP
187\&\fIASN1_STRING_type()\fR returns the type of \fBx\fR, using standard constants
188such as \fBV_ASN1_OCTET_STRING\fR.
189.PP
190\&\fIASN1_STRING_to_UTF8()\fR converts the string \fBin\fR to \s-1UTF8\s0 format, the
191converted data is allocated in a buffer in \fB*out\fR. The length of
192\&\fBout\fR is returned or a negative error code. The buffer \fB*out\fR
193should be free using \fIOPENSSL_free()\fR.
194.SH "NOTES"
195.IX Header "NOTES"
196Almost all \s-1ASN1\s0 types in OpenSSL are represented as an \fB\s-1ASN1_STRING\s0\fR
197structure. Other types such as \fB\s-1ASN1_OCTET_STRING\s0\fR are simply typedefed
198to \fB\s-1ASN1_STRING\s0\fR and the functions call the \fB\s-1ASN1_STRING\s0\fR equivalents.
199\&\fB\s-1ASN1_STRING\s0\fR is also used for some \fB\s-1CHOICE\s0\fR types which consist
200entirely of primitive string types such as \fBDirectoryString\fR and
201\&\fBTime\fR.
202.PP
203These functions should \fBnot\fR be used to examine or modify \fB\s-1ASN1_INTEGER\s0\fR
204or \fB\s-1ASN1_ENUMERATED\s0\fR types: the relevant \fB\s-1INTEGER\s0\fR or \fB\s-1ENUMERATED\s0\fR
205utility functions should be used instead.
206.PP
207In general it cannot be assumed that the data returned by \fIASN1_STRING_data()\fR
208is null terminated or does not contain embedded nulls. The actual format
209of the data will depend on the actual string type itself: for example
210for and IA5String the data will be \s-1ASCII\s0, for a BMPString two bytes per
211character in big endian format, UTF8String will be in \s-1UTF8\s0 format.
212.PP
213Similar care should be take to ensure the data is in the correct format
214when calling \fIASN1_STRING_set()\fR.
215.SH "RETURN VALUES"
216.IX Header "RETURN VALUES"
217.SH "SEE ALSO"
218.IX Header "SEE ALSO"
219ERR_get_error(3)
220.SH "HISTORY"
221.IX Header "HISTORY"
142.UC
143.SH "NAME"
144ASN1_STRING_dup, ASN1_STRING_cmp, ASN1_STRING_set, ASN1_STRING_length,
145ASN1_STRING_length_set, ASN1_STRING_type, ASN1_STRING_data \-
146\&\s-1ASN1_STRING\s0 utility functions
147.SH "SYNOPSIS"
148.IX Header "SYNOPSIS"
149.Vb 2
150\& int ASN1_STRING_length(ASN1_STRING *x);
151\& unsigned char * ASN1_STRING_data(ASN1_STRING *x);
152.Ve
153.Vb 1
154\& ASN1_STRING * ASN1_STRING_dup(ASN1_STRING *a);
155.Ve
156.Vb 1
157\& int ASN1_STRING_cmp(ASN1_STRING *a, ASN1_STRING *b);
158.Ve
159.Vb 1
160\& int ASN1_STRING_set(ASN1_STRING *str, const void *data, int len);
161.Ve
162.Vb 1
163\& int ASN1_STRING_type(ASN1_STRING *x);
164.Ve
165.Vb 1
166\& int ASN1_STRING_to_UTF8(unsigned char **out, ASN1_STRING *in);
167.Ve
168.SH "DESCRIPTION"
169.IX Header "DESCRIPTION"
170These functions allow an \fB\s-1ASN1_STRING\s0\fR structure to be manipulated.
171.PP
172\&\fIASN1_STRING_length()\fR returns the length of the content of \fBx\fR.
173.PP
174\&\fIASN1_STRING_data()\fR returns an internal pointer to the data of \fBx\fR.
175Since this is an internal pointer it should \fBnot\fR be freed or
176modified in any way.
177.PP
178\&\fIASN1_STRING_dup()\fR returns a copy of the structure \fBa\fR.
179.PP
180\&\fIASN1_STRING_cmp()\fR compares \fBa\fR and \fBb\fR returning 0 if the two
181are identical. The string types and content are compared.
182.PP
183\&\fIASN1_STRING_set()\fR sets the data of string \fBstr\fR to the buffer
184\&\fBdata\fR or length \fBlen\fR. The supplied data is copied. If \fBlen\fR
185is \-1 then the length is determined by strlen(data).
186.PP
187\&\fIASN1_STRING_type()\fR returns the type of \fBx\fR, using standard constants
188such as \fBV_ASN1_OCTET_STRING\fR.
189.PP
190\&\fIASN1_STRING_to_UTF8()\fR converts the string \fBin\fR to \s-1UTF8\s0 format, the
191converted data is allocated in a buffer in \fB*out\fR. The length of
192\&\fBout\fR is returned or a negative error code. The buffer \fB*out\fR
193should be free using \fIOPENSSL_free()\fR.
194.SH "NOTES"
195.IX Header "NOTES"
196Almost all \s-1ASN1\s0 types in OpenSSL are represented as an \fB\s-1ASN1_STRING\s0\fR
197structure. Other types such as \fB\s-1ASN1_OCTET_STRING\s0\fR are simply typedefed
198to \fB\s-1ASN1_STRING\s0\fR and the functions call the \fB\s-1ASN1_STRING\s0\fR equivalents.
199\&\fB\s-1ASN1_STRING\s0\fR is also used for some \fB\s-1CHOICE\s0\fR types which consist
200entirely of primitive string types such as \fBDirectoryString\fR and
201\&\fBTime\fR.
202.PP
203These functions should \fBnot\fR be used to examine or modify \fB\s-1ASN1_INTEGER\s0\fR
204or \fB\s-1ASN1_ENUMERATED\s0\fR types: the relevant \fB\s-1INTEGER\s0\fR or \fB\s-1ENUMERATED\s0\fR
205utility functions should be used instead.
206.PP
207In general it cannot be assumed that the data returned by \fIASN1_STRING_data()\fR
208is null terminated or does not contain embedded nulls. The actual format
209of the data will depend on the actual string type itself: for example
210for and IA5String the data will be \s-1ASCII\s0, for a BMPString two bytes per
211character in big endian format, UTF8String will be in \s-1UTF8\s0 format.
212.PP
213Similar care should be take to ensure the data is in the correct format
214when calling \fIASN1_STRING_set()\fR.
215.SH "RETURN VALUES"
216.IX Header "RETURN VALUES"
217.SH "SEE ALSO"
218.IX Header "SEE ALSO"
219ERR_get_error(3)
220.SH "HISTORY"
221.IX Header "HISTORY"