this method is used to get issuer certificate concode_field_sep Log log concode_elem_sep String SECURITY_KEY_STORE_KEY_ALIAS concode_elem_sep String signatureAlgorithm concode_elem_sep X509Certificate[] issuerCerts concode_elem_sep PublicKey publicKey concode_elem_sep String DSA_ENCRYPTION_ALGORITHM concode_elem_sep PrivateKey issuerPK concode_field_sep SecretKey getSecretKey concode_elem_sep Collection<X509CRL> getCRLs concode_elem_sep UsageType getUsageType concode_elem_sep String getSignatureAlgorithm concode_elem_sep void setSignatureAlgorithm concode_elem_sep CredentialContextSet getCredentialContextSet concode_elem_sep String getEntityId concode_elem_sep PublicKey getPublicKey concode_elem_sep Collection<X509Certificate> getEntityCertificateChain concode_elem_sep PrivateKey getPrivateKey concode_elem_sep Class<? extends Credential> getCredentialType concode_elem_sep Collection<String> getKeyNames
X509Certificate function ( ) { return issuerCerts [ 0 ] ; }