52 lines
1.8 KiB
Plaintext
52 lines
1.8 KiB
Plaintext
include::../description.adoc[]
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== Noncompliant Code Example
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[source,java]
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----
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NodeList signatureElement = doc.getElementsByTagNameNS(XMLSignature.XMLNS, "Signature");
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XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
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DOMValidateContext valContext = new DOMValidateContext(new KeyValueKeySelector(), signatureElement.item(0)); // Noncompliant
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XMLSignature signature = fac.unmarshalXMLSignature(valContext);
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boolean signatureValidity = signature.validate(valContext);
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----
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== Compliant Solution
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In order to benefit from this secure validation mode, set the DOMValidateContext's ``org.jcp.xml.dsig.secureValidation`` property to ``TRUE``.
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[source,java]
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----
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NodeList signatureElement = doc.getElementsByTagNameNS(XMLSignature.XMLNS, "Signature");
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XMLSignatureFactory fac = XMLSignatureFactory.getInstance("DOM");
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DOMValidateContext valContext = new DOMValidateContext(new KeyValueKeySelector(), signatureElement.item(0));
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valContext.setProperty("org.jcp.xml.dsig.secureValidation", Boolean.TRUE);
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XMLSignature signature = fac.unmarshalXMLSignature(valContext);
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boolean signatureValidity = signature.validate(valContext);
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----
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== See
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* https://docs.oracle.com/en/java/javase/14/security/java-xml-digital-signature-api-overview-and-tutorial.html#GUID-DB46A001-6DBD-4571-BDBC-1BBC394BF61E[Oracle Java Documentation] - XML Digital Signature API Overview and Tutorial
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* https://owasp.org/www-project-top-ten/2017/A3_2017-Sensitive_Data_Exposure[OWASP Top 10 2017 Category A3] - Sensitive Data Exposure
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* https://cwe.mitre.org/data/definitions/347[MITRE, CWE-347] - Improper Verification of Cryptographic Signature
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ifdef::env-github,rspecator-view[]
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'''
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== Implementation Specification
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(visible only on this page)
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include::../message.adoc[]
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'''
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== Comments And Links
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(visible only on this page)
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include::../comments-and-links.adoc[]
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endif::env-github,rspecator-view[]
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