https://issues.apache.org/bugzilla/show_bug.cgi?id=50236
Summary: VerifyMerlinsExamplesFifteen/Sixteen.java samples
should ignore signature-enveloping-hmac-sha1-40.xml
Product: Security
Version: Java 1.4.2
Platform: All
OS/Version: All
Status: NEW
Severity: minor
Priority: P2
Component: Signature
AssignedTo: [email protected]
ReportedBy: [email protected]
This a minor cleanup issue but these samples should not validate
signature-enveloping-hmac-sha1-40.xml. This signature uses an insecure HMAC
truncation length and since release 1.4.3, this signature causes a validation
failure. See https://issues.apache.org/bugzilla/show_bug.cgi?id=47526 for more
information. If you run the mega-sample target, you will see this exception
embedded in the output:
[java] org.apache.xml.security.signature.XMLSignatureException:
HMACOutputLength must not be less than 160
[java] at
org.apache.xml.security.algorithms.implementations.IntegrityHmac.engineVerify(Unknown
Source)
[java] at
org.apache.xml.security.algorithms.SignatureAlgorithm.verify(Unknown Source)
[java] at
org.apache.xml.security.signature.XMLSignature.checkSignatureValue(Unknown
Source)
[java] at
org.apache.xml.security.samples.signature.VerifyMerlinsExamplesFifteen.verifyHMAC(Unknown
Source)
[java] at
org.apache.xml.security.samples.signature.VerifyMerlinsExamplesFifteen.main(Unknown
Source)
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