| asn1parse.1 (206048) | asn1parse.1 (215698) |
|---|---|
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| 68.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). 69.\" Fear. Run. Save yourself. No user-serviceable parts. 70. \" fudge factors for nroff and troff 71.if n \{\ 72. ds #H 0 73. ds #V .8m 74. ds #F .3m 75. ds #[ \f1 --- 48 unchanged lines hidden (view full) --- 124. ds Th \o'LP' 125. ds ae ae 126. ds Ae AE 127.\} 128.rm #[ #] #H #V #F C 129.\" ======================================================================== 130.\" 131.IX Title "ASN1PARSE 1" | 63.\" Accent mark definitions (@(#)ms.acc 1.5 88/02/08 SMI; from UCB 4.2). 64.\" Fear. Run. Save yourself. No user-serviceable parts. 65. \" fudge factors for nroff and troff 66.if n \{\ 67. ds #H 0 68. ds #V .8m 69. ds #F .3m 70. ds #[ \f1 --- 48 unchanged lines hidden (view full) --- 119. ds Th \o'LP' 120. ds ae ae 121. ds Ae AE 122.\} 123.rm #[ #] #H #V #F C 124.\" ======================================================================== 125.\" 126.IX Title "ASN1PARSE 1" |
| 132.TH ASN1PARSE 1 "2010-03-24" "0.9.8n" "OpenSSL" | 127.TH ASN1PARSE 1 "2010-11-16" "0.9.8p" "OpenSSL" 128.\" For nroff, turn off justification. Always turn off hyphenation; it makes 129.\" way too many mistakes in technical documents. 130.if n .ad l 131.nh |
| 133.SH "NAME" 134asn1parse \- ASN.1 parsing tool 135.SH "SYNOPSIS" 136.IX Header "SYNOPSIS" 137\&\fBopenssl\fR \fBasn1parse\fR 138[\fB\-inform PEM|DER\fR] 139[\fB\-in filename\fR] 140[\fB\-out filename\fR] --- 45 unchanged lines hidden (view full) --- 186option can be used multiple times to \*(L"drill down\*(R" into a nested structure. 187.IP "\fB\-genstr string\fR, \fB\-genconf file\fR" 4 188.IX Item "-genstr string, -genconf file" 189generate encoded data based on \fBstring\fR, \fBfile\fR or both using 190\&\fIASN1_generate_nconf()\fR format. If \fBfile\fR only is present then the string 191is obtained from the default section using the name \fBasn1\fR. The encoded 192data is passed through the \s-1ASN1\s0 parser and printed out as though it came 193from a file, the contents can thus be examined and written to a file | 132.SH "NAME" 133asn1parse \- ASN.1 parsing tool 134.SH "SYNOPSIS" 135.IX Header "SYNOPSIS" 136\&\fBopenssl\fR \fBasn1parse\fR 137[\fB\-inform PEM|DER\fR] 138[\fB\-in filename\fR] 139[\fB\-out filename\fR] --- 45 unchanged lines hidden (view full) --- 185option can be used multiple times to \*(L"drill down\*(R" into a nested structure. 186.IP "\fB\-genstr string\fR, \fB\-genconf file\fR" 4 187.IX Item "-genstr string, -genconf file" 188generate encoded data based on \fBstring\fR, \fBfile\fR or both using 189\&\fIASN1_generate_nconf()\fR format. If \fBfile\fR only is present then the string 190is obtained from the default section using the name \fBasn1\fR. The encoded 191data is passed through the \s-1ASN1\s0 parser and printed out as though it came 192from a file, the contents can thus be examined and written to a file |
| 194using the \fBout\fR option. 195.Sh "\s-1OUTPUT\s0" | 193using the \fBout\fR option. 194.SS "\s-1OUTPUT\s0" |
| 196.IX Subsection "OUTPUT" 197The output will typically contain lines like this: 198.PP 199.Vb 1 200\& 0:d=0 hl=4 l= 681 cons: SEQUENCE 201.Ve 202.PP 203\&..... --- 16 unchanged lines hidden (view full) --- 220This example is part of a self signed certificate. Each line starts with the 221offset in decimal. \fBd=XX\fR specifies the current depth. The depth is increased 222within the scope of any \s-1SET\s0 or \s-1SEQUENCE\s0. \fBhl=XX\fR gives the header length 223(tag and length octets) of the current type. \fBl=XX\fR gives the length of 224the contents octets. 225.PP 226The \fB\-i\fR option can be used to make the output more readable. 227.PP | 195.IX Subsection "OUTPUT" 196The output will typically contain lines like this: 197.PP 198.Vb 1 199\& 0:d=0 hl=4 l= 681 cons: SEQUENCE 200.Ve 201.PP 202\&..... --- 16 unchanged lines hidden (view full) --- 219This example is part of a self signed certificate. Each line starts with the 220offset in decimal. \fBd=XX\fR specifies the current depth. The depth is increased 221within the scope of any \s-1SET\s0 or \s-1SEQUENCE\s0. \fBhl=XX\fR gives the header length 222(tag and length octets) of the current type. \fBl=XX\fR gives the length of 223the contents octets. 224.PP 225The \fB\-i\fR option can be used to make the output more readable. 226.PP |
| 228Some knowledge of the \s-1ASN\s0.1 structure is needed to interpret the output. | 227Some knowledge of the \s-1ASN\s0.1 structure is needed to interpret the output. |
| 229.PP 230In this example the \s-1BIT\s0 \s-1STRING\s0 at offset 229 is the certificate public key. 231The contents octets of this will contain the public key information. This can 232be examined using the option \fB\-strparse 229\fR to yield: 233.PP 234.Vb 3 235\& 0:d=0 hl=3 l= 137 cons: SEQUENCE 236\& 3:d=1 hl=3 l= 129 prim: INTEGER :E5D21E1F5C8D208EA7A2166C7FAF9F6BDF2059669C60876DDB70840F1A5AAFA59699FE471F379F1DD6A487E7D5409AB6A88D4A9746E24B91D8CF55DB3521015460C8EDE44EE8A4189F7A7BE77D6CD3A9AF2696F486855CF58BF0EDF2B4068058C7A947F52548DDF7E15E96B385F86422BEA9064A3EE9E1158A56E4A6F47E5897 --- 10 unchanged lines hidden (view full) --- 247\&\*(L"long name\*(R". \fBasn1parse\fR displays the long name. Example: 248.PP 249\&\f(CW\*(C`1.2.3.4 shortName A long name\*(C'\fR 250.SH "EXAMPLES" 251.IX Header "EXAMPLES" 252Parse a file: 253.PP 254.Vb 1 | 228.PP 229In this example the \s-1BIT\s0 \s-1STRING\s0 at offset 229 is the certificate public key. 230The contents octets of this will contain the public key information. This can 231be examined using the option \fB\-strparse 229\fR to yield: 232.PP 233.Vb 3 234\& 0:d=0 hl=3 l= 137 cons: SEQUENCE 235\& 3:d=1 hl=3 l= 129 prim: INTEGER :E5D21E1F5C8D208EA7A2166C7FAF9F6BDF2059669C60876DDB70840F1A5AAFA59699FE471F379F1DD6A487E7D5409AB6A88D4A9746E24B91D8CF55DB3521015460C8EDE44EE8A4189F7A7BE77D6CD3A9AF2696F486855CF58BF0EDF2B4068058C7A947F52548DDF7E15E96B385F86422BEA9064A3EE9E1158A56E4A6F47E5897 --- 10 unchanged lines hidden (view full) --- 246\&\*(L"long name\*(R". \fBasn1parse\fR displays the long name. Example: 247.PP 248\&\f(CW\*(C`1.2.3.4 shortName A long name\*(C'\fR 249.SH "EXAMPLES" 250.IX Header "EXAMPLES" 251Parse a file: 252.PP 253.Vb 1 |
| 255\& openssl asn1parse -in file.pem | 254\& openssl asn1parse \-in file.pem |
| 256.Ve 257.PP 258Parse a \s-1DER\s0 file: 259.PP 260.Vb 1 | 255.Ve 256.PP 257Parse a \s-1DER\s0 file: 258.PP 259.Vb 1 |
| 261\& openssl asn1parse -inform DER -in file.der | 260\& openssl asn1parse \-inform DER \-in file.der |
| 262.Ve 263.PP 264Generate a simple UTF8String: 265.PP 266.Vb 1 | 261.Ve 262.PP 263Generate a simple UTF8String: 264.PP 265.Vb 1 |
| 267\& openssl asn1parse -genstr 'UTF8:Hello World' | 266\& openssl asn1parse \-genstr \*(AqUTF8:Hello World\*(Aq |
| 268.Ve 269.PP 270Generate and write out a UTF8String, don't print parsed output: 271.PP 272.Vb 1 | 267.Ve 268.PP 269Generate and write out a UTF8String, don't print parsed output: 270.PP 271.Vb 1 |
| 273\& openssl asn1parse -genstr 'UTF8:Hello World' -noout -out utf8.der | 272\& openssl asn1parse \-genstr \*(AqUTF8:Hello World\*(Aq \-noout \-out utf8.der |
| 274.Ve 275.PP 276Generate using a config file: 277.PP 278.Vb 1 | 273.Ve 274.PP 275Generate using a config file: 276.PP 277.Vb 1 |
| 279\& openssl asn1parse -genconf asn1.cnf -noout -out asn1.der | 278\& openssl asn1parse \-genconf asn1.cnf \-noout \-out asn1.der |
| 280.Ve 281.PP 282Example config file: 283.PP 284.Vb 1 285\& asn1=SEQUENCE:seq_sect | 279.Ve 280.PP 281Example config file: 282.PP 283.Vb 1 284\& asn1=SEQUENCE:seq_sect |
| 286.Ve 287.PP 288.Vb 1 | 285\& |
| 289\& [seq_sect] | 286\& [seq_sect] |
| 290.Ve 291.PP 292.Vb 2 | 287\& |
| 293\& field1=BOOL:TRUE 294\& field2=EXP:0, UTF8:some random string 295.Ve 296.SH "BUGS" 297.IX Header "BUGS" 298There should be options to change the format of output lines. The output of some 299\&\s-1ASN\s0.1 types is not well handled (if at all). | 288\& field1=BOOL:TRUE 289\& field2=EXP:0, UTF8:some random string 290.Ve 291.SH "BUGS" 292.IX Header "BUGS" 293There should be options to change the format of output lines. The output of some 294\&\s-1ASN\s0.1 types is not well handled (if at all). |