java.security.NoSuchAlgorithmException: SHA-256 MessageDigest not available
Originally Published: 2010-07-23
Article Number
Applies To
IBM JVM 1.5
Issue
0 [main] DEBUG com.custom.security.crypto.CryptoService - Pluggable provider is initiated.
44 [main] ERROR com.custom.security.crypto.SecureHashAlgorithmProvider - SHA-256 MessageDigest not available
java.security.NoSuchAlgorithmException: SHA-256 MessageDigest not available
at sun.security.jca.GetInstance.getInstance(GetInstance.java:158)
at java.security.Security.getImpl(Security.java:691)
at java.security.MessageDigest.getInstance(MessageDigest.java:146)
at com.custom.security.crypto.SecureHashAlgorithmProvider.<init>(SecureHashAlgorithmProvider.java:67)
at com.custom.security.crypto.CryptoProvider.digest(CryptoProvider.java:55)
at com.custom.security.crypto.CryptoService.digest(CryptoService.java:74)
at samples.CryptoSample.main(CryptoSample.java:26)
SHA message digest initiation failed
Resolution
Adding the following to the java command line typically solves this issue:
-Djava.ext.dirs=*/jdk/jre/lib/ext
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