RSAPrivateKeyToXmlDoc (String function): Difference between revisions

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{{Template:String:RSAPrivateKeyToXmlDoc subtitle}}
{{Template:String:RSAPrivateKeyToXmlDoc subtitle}}
<var>RSAPrivateKeyToXmlDoc</var> converts a string (<var>Longstring</var>) that contains an RSA-generated private key to an <var>[[XmlDoc class|XmlDoc]]</var>.
DER (Distinguished Encoding Rules), a subset of BER (Basic Encoding Rules, provide a way to uniquely encode an Abstract Syntax Notation One (ASN.1) type value as a string of eight-bit octets.


This page is [[under construction]].
==Syntax==
==Syntax==
{{Template:String:RSAPrivateKeyToXmlDoc syntax}}
{{Template:String:RSAPrivateKeyToXmlDoc syntax}}
===Syntax terms===
===Syntax terms===
<table class="syntaxTable">
<table>
<tr><th>%xmlDoc</th><td><var>XmlDoc</var> object</td></tr>
<tr><th>%doc</th>
<td>An <var>XmlDoc</var> object variable to contain the decoded value of the method object, <var class="term">string</var>.</td></tr>
 
<tr><th>string</th>
<tr><th>string</th>
<td>string</td></tr>
<td>A DER encoded string that contains the contents of a digital certificate. </td></tr>
</table>
</table>
==Usage notes==
==Usage notes==
<ul>
<li>Prior to version 7.7 of Model&nbsp;204, input to this method that created any element in the result <var>XmlDoc</var> with a text child whose length exceeded 650 characters produced an error. An example of such input is a 4096-bit key (which requires 1024 hex characters). As of version 7.7, the lengths of created text nodes are not restricted. </li>
<li><var>RSAPrivateKeyToXmlDoc</var> is very similar to 
<var>[[DerToXmlDoc (String function)|DerToXmlDoc]]</var>, except that <var>RSAPrivateKeyToXmlDoc</var> understands the semantics of the private key tags, so it provides more meaningful XML element names. </li>
<li><var>RSAPrivateKeyToXmlDoc</var> is a complete implementation of the PKCS standards for private key syntax. </li>
<li>Currently, no method is available to produce a DER stream from an <var>XmlDoc</var> nor to validate the signature on a certificate. </li>
</ul>
==Examples==
==Examples==
In the following example, the <var>[[PemToString (Stringlist function)|PemToString]]</var> method loads <var>Longstring</var> <code>%ls</code> with the contents of an RSA private key. <var>RSAPrivateKeyToXmlDoc</var> then converts the <var>Longstring</var> to an <var>XmlDoc</var> whose contents are printed:
<p class="code"> ...
text to %sl = new raw
&#45;----BEGIN RSA PRIVATE KEY-----
MIIEogIBAAKCAQEAm6TwmSXt4+lyrhwy9SBq2LVjdTeJ5kUbU9jzmBCfw/NuC1tX
YAAdc0UG5DDJYPHkWkYa7+z50SYzmoxKI8PfCLyxSOPeVW9CEhRSyiIIlyjQikIK
a0YMeOXVetGiutl/y346yQYltkbQXb1SOogTg07fTRs7NWcQ4Rrcd6DEnSkrHxbv
T04Z0MwoSojA+NRyBCMpa+w+R0dzrBNZIT11WOccecYjEyuPSS2ydcdgr/Rp4WKC
UHmRulXWQjhEjwqFPRG4f8BkYJGr8lN262M4ti4Z11KV/lYA/lEpYUkmCaY936p4
IoVoQy8GFn7mj50sxwSa446bTvKlVPsySMDK2wIBAwKCAQAZ8NLEMPz7UZMdBLMo
...
aQmxZUwUo7em8Ci6dX17AoGAcmpQ5AUj5vMdRnOmiIhLM+jgbbQjBD+52hwbkkIn
sZ00cQ5asvdrHt3ziIqN7RMu5okuwdFTdk5IGHTA43qykel0e7wxwADI7qybJXWF
rsIve5XyKCD55gAM4W8y4+CLkCv6dPwmkTq4vfdaYr0/NPIvigzUq0NEXFVPJfQc
GncCgYEAlFIEKq0mVWLBtZRwNjehKOaWGkVVHJnoWqlBngfamQkOiGvWScQ0MVbw
K3U00KpuNHRF5RVy035uoU2tnQDLyG+RmUO7j2+t90MOmgXqiZlTz08uf/fQaprd
NzpmjANA/9cT3rwHD31LsjaDXASM5IW0q7h+vhvVLtVkDzDnW5w=           
&#45;----END RSA PRIVATE KEY-----
end text
%ls = %sl:pemToString('RSA PRIVATE KEY')
%ls:RSAPrivateKeyToXmlDoc:print
...  </p>
The abridged result is shown below:
<p class="code"><RSAPrivateKey>
  <version>0</version><modulus>196482721346 ...
    ...685825059547</modulus>
  <publicExponent>3</publicExponent>
  <privateExponent>32747120224474 ...
    ...832238758867</privateExponent>
  <prime1>163032211406922467 ...
    ...063864355897</prime1>
  <primes>120517730607 ...
    ...628528150451</primes>
  <exponent1>108688140937 ...
    ...709242903931</exponent1>
  <exponent2>803451537383 ...
    ...419018766967</exponent2>
  <coefficient>104154110092 ...
    ...977615354780</coefficient>
</RSAPrivateKey> </p>
==See also==
==See also==
<p>
<var>String</var> methods:</p>
<ul>
<li><var>[[CertificateRequest (String function)|CertificateRequest]]</var> </li>
<li><var>[[ClientCertificateRequest (String function)|ClientCertificateRequest]]</var> </li>
<li><var>[[SignedCertificate (String function)|SignedCertificate]]</var> </li>
<li><var>[[SignedClientCertificate (String function)|SignedClientCertificate]]</var> </li>
<li><var>[[DerToXmlDoc (String function)|DerToXmlDoc]]</var> </li>
<li><var>[[RSAPrivateKeyToXmlDoc (String function)|RSAPrivateKeyToXmlDoc]]</var></li>
<li><var>[[X509CertificateToXmlDoc (String function)|X509CertificateToXmlDoc]]</var> </li>
<li><var>[[X509CrlToXmlDoc (String function)|X509CrlToXmlDoc]]</var> </li>
<li>Multiple cryptographic cipher methods </li>
</ul>
<p>
<var>Stringlist</var> methods: </p>
{{Template:Stringlist crypto methods}}
<p>
<var>System</var> methods: </p>
<ul>
<li><var>[[ClientCertificate (System function)|ClientCertificate]]</var></li>
<li><var>[[GeneratedPrivateKey (System function)|GeneratedPrivateKey]]</var> </li>
</ul>
<p>
<var>Socket</var> methods: </p>
<ul>
<li><var>[[Certificate (Socket function)|Certificate]]</var> </li>
</ul>
Background information:
<ul>
<li>[http://en.wikipedia.org/wiki/Abstract_Syntax_Notation_One "Abstract Syntax Notation One"] </li>
<li>[http://luca.ntop.org/Teaching/Appunti/asn1.html "A Layman's Guide to a Subset of ASN.1, BER, and DER"] </li>
</ul>
{{Template:String:RSAPrivateKeyToXmlDoc footer}}
{{Template:String:RSAPrivateKeyToXmlDoc footer}}

Latest revision as of 15:07, 6 September 2018

Convert BER encoded RSA private key to XML (String class)

[Introduced in Sirius Mods 8.0]

RSAPrivateKeyToXmlDoc converts a string (Longstring) that contains an RSA-generated private key to an XmlDoc. DER (Distinguished Encoding Rules), a subset of BER (Basic Encoding Rules, provide a way to uniquely encode an Abstract Syntax Notation One (ASN.1) type value as a string of eight-bit octets.

Syntax

%doc = string:RSAPrivateKeyToXmlDoc Throws InvalidBerData

Syntax terms

%doc An XmlDoc object variable to contain the decoded value of the method object, string.
string A DER encoded string that contains the contents of a digital certificate.

Usage notes

  • Prior to version 7.7 of Model 204, input to this method that created any element in the result XmlDoc with a text child whose length exceeded 650 characters produced an error. An example of such input is a 4096-bit key (which requires 1024 hex characters). As of version 7.7, the lengths of created text nodes are not restricted.
  • RSAPrivateKeyToXmlDoc is very similar to DerToXmlDoc, except that RSAPrivateKeyToXmlDoc understands the semantics of the private key tags, so it provides more meaningful XML element names.
  • RSAPrivateKeyToXmlDoc is a complete implementation of the PKCS standards for private key syntax.
  • Currently, no method is available to produce a DER stream from an XmlDoc nor to validate the signature on a certificate.

Examples

In the following example, the PemToString method loads Longstring %ls with the contents of an RSA private key. RSAPrivateKeyToXmlDoc then converts the Longstring to an XmlDoc whose contents are printed:

... text to %sl = new raw -----BEGIN RSA PRIVATE KEY----- MIIEogIBAAKCAQEAm6TwmSXt4+lyrhwy9SBq2LVjdTeJ5kUbU9jzmBCfw/NuC1tX YAAdc0UG5DDJYPHkWkYa7+z50SYzmoxKI8PfCLyxSOPeVW9CEhRSyiIIlyjQikIK a0YMeOXVetGiutl/y346yQYltkbQXb1SOogTg07fTRs7NWcQ4Rrcd6DEnSkrHxbv T04Z0MwoSojA+NRyBCMpa+w+R0dzrBNZIT11WOccecYjEyuPSS2ydcdgr/Rp4WKC UHmRulXWQjhEjwqFPRG4f8BkYJGr8lN262M4ti4Z11KV/lYA/lEpYUkmCaY936p4 IoVoQy8GFn7mj50sxwSa446bTvKlVPsySMDK2wIBAwKCAQAZ8NLEMPz7UZMdBLMo ... aQmxZUwUo7em8Ci6dX17AoGAcmpQ5AUj5vMdRnOmiIhLM+jgbbQjBD+52hwbkkIn sZ00cQ5asvdrHt3ziIqN7RMu5okuwdFTdk5IGHTA43qykel0e7wxwADI7qybJXWF rsIve5XyKCD55gAM4W8y4+CLkCv6dPwmkTq4vfdaYr0/NPIvigzUq0NEXFVPJfQc GncCgYEAlFIEKq0mVWLBtZRwNjehKOaWGkVVHJnoWqlBngfamQkOiGvWScQ0MVbw K3U00KpuNHRF5RVy035uoU2tnQDLyG+RmUO7j2+t90MOmgXqiZlTz08uf/fQaprd NzpmjANA/9cT3rwHD31LsjaDXASM5IW0q7h+vhvVLtVkDzDnW5w= -----END RSA PRIVATE KEY----- end text %ls = %sl:pemToString('RSA PRIVATE KEY') %ls:RSAPrivateKeyToXmlDoc:print ...

The abridged result is shown below:

<RSAPrivateKey> <version>0</version><modulus>196482721346 ... ...685825059547</modulus> <publicExponent>3</publicExponent> <privateExponent>32747120224474 ... ...832238758867</privateExponent> <prime1>163032211406922467 ... ...063864355897</prime1> <primes>120517730607 ... ...628528150451</primes> <exponent1>108688140937 ... ...709242903931</exponent1> <exponent2>803451537383 ... ...419018766967</exponent2> <coefficient>104154110092 ... ...977615354780</coefficient> </RSAPrivateKey>

See also

String methods:

Stringlist methods:

System methods:

Socket methods:

Background information:

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