I am facing the same issue
Exception in thread “main” com.auth0.jwt.exceptions.SignatureVerificationException: The Token’s Signature resulted invalid when verified using the Algorithm: SHA256withRSA
at com.auth0.jwt.algorithms.RSAAlgorithm.verify(RSAAlgorithm.java:53)
at com.auth0.jwt.JWTVerifier.verify(JWTVerifier.java:299)
at com.auth0.jwt.JWTVerifier.verify(JWTVerifier.java:283)
at Main.main(Main.java:53)
Caused by: java.security.SignatureException: Signature length not correct: got 256 but was expecting 342
at java.base/sun.security.rsa.RSASignature.engineVerify(RSASignature.java:212)
at java.base/java.security.Signature$Delegate.engineVerify(Signature.java:1414)
at java.base/java.security.Signature.verify(Signature.java:788)
at com.auth0.jwt.algorithms.CryptoHelper.verifySignatureFor(CryptoHelper.java:107)
at com.auth0.jwt.algorithms.CryptoHelper.verifySignatureFor(CryptoHelper.java:85)
at com.auth0.jwt.algorithms.RSAAlgorithm.verify(RSAAlgorithm.java:48)
… 3 more