Update docs

doc/apps/asn1parse.pod

@@ -16,6 +16,8 @@ B<openssl> B<asn1parse>
 [B<-i>]
 [B<-oid filename>]
 [B<-strparse offset>]
+[B<-genstr string>]
+[B<-genconf file>]
 
 =head1 DESCRIPTION
 
@@ -67,6 +69,14 @@ file is described in the NOTES section below.
 parse the contents octets of the ASN.1 object starting at B<offset>. This
 option can be used multiple times to "drill down" into a nested structure.
 
+=item B<-genstr string>, B<-genconf file>
+
+generate encoded data based on B<string>, B<file> or both using
+ASN1_generate_nconf() format. If B<file> only is present then the string
+is obtained from the default section using the name B<asn1>. The encoded
+data is passed through the ASN1 parser and printed out as though it came
+from a file, the contents can thus be examined and written to a file
+using the B<out> option. 
 
 =back
 
@@ -121,6 +131,38 @@ by white space. The final column is the rest of the line and is the
 
 C<1.2.3.4	shortName	A long name>
 
+=head1 EXAMPLES
+
+Parse a file:
+
+ openssl asn1parse -in file.pem
+
+Parse a DER file:
+
+ openssl asn1parse -inform DER -in file.der
+
+Generate a simple UTF8String:
+
+ openssl asn1parse -genstr 'UTF8:Hello World'
+
+Generate and write out a UTF8String, don't print parsed output:
+
+ openssl asn1parse -genstr 'UTF8:Hello World' -noout -out utf8.der
+
+Generate using a config file:
+
+ openssl asn1parse -genconf asn1.cnf -noout -out asn1.der
+
+Example config file:
+
+ asn1=SEQUENCE:seq_sect
+
+ [seq_sect]
+
+ field1=BOOL:TRUE
+ field2=EXP:0, UTF8:some random string
+
+
 =head1 BUGS
 
 There should be options to change the format of input lines. The output of some

doc/openssl.txt

@@ -154,8 +154,22 @@ for example contain data in multiple sections. The correct syntax to
 use is defined by the extension code itself: check out the certificate
 policies extension for an example.
 
-In addition it is also possible to use the word DER to include arbitrary
-data in any extension.
+There are two ways to encode arbitrary extensions.
+
+The first way is to use the word ASN1 followed by the extension content
+using the same syntax as ASN1_generate_nconf(). For example:
+
+1.2.3.4=critical,ASN1:UTF8String:Some random data
+
+1.2.3.4=ASN1:SEQUENCE:seq_sect
+
+[seq_sect]
+
+field1 = UTF8:field1
+field2 = UTF8:field2
+
+It is also possible to use the word DER to include arbitrary data in any
+extension.
 
 1.2.3.4=critical,DER:01:02:03:04
 1.2.3.4=DER:01020304
@@ -336,16 +350,21 @@ Subject Alternative Name.
 The subject alternative name extension allows various literal values to be
 included in the configuration file. These include "email" (an email address)
 "URI" a uniform resource indicator, "DNS" (a DNS domain name), RID (a
-registered ID: OBJECT IDENTIFIER) and IP (and IP address).
+registered ID: OBJECT IDENTIFIER), IP (and IP address) and otherName.
 
 Also the email option include a special 'copy' value. This will automatically
 include and email addresses contained in the certificate subject name in
 the extension.
 
+otherName can include arbitrary data associated with an OID: the value
+should be the OID followed by a semicolon and the content in standard
+ASN1_generate_nconf() format.
+
 Examples:
 
 subjectAltName=email:copy,email:my@other.address,URI:http://my.url.here/
 subjectAltName=email:my@other.address,RID:1.2.3.4
+subjectAltName=otherName:1.2.3.4;UTF8:some other identifier
 
 Issuer Alternative Name.