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java.security.spec.InvalidKeySpecException: java.lang.NullPointerException	at org.bouncycastle.jce.provider.JDKKeyFactory$EC.engineGeneratePublic(Unknown Source)	at java.security.KeyFactory.generatePublic(KeyFactory.java:328)	at adhoc.ecdsa_mismatch$read_pubkey.invokeStatic(ecdsa_mismatch.clj:16)	at adhoc.ecdsa_mismatch$read_pubkey.invoke(ecdsa_mismatch.clj:14)