/** * * * <pre> * RSAES-OAEP-params ::= SEQUENCE { * hashAlgorithm [0] OAEP-PSSDigestAlgorithms DEFAULT sha1, * maskGenAlgorithm [1] PKCS1MGFAlgorithms DEFAULT mgf1SHA1, * pSourceAlgorithm [2] PKCS1PSourceAlgorithms DEFAULT pSpecifiedEmpty * } * * OAEP-PSSDigestAlgorithms ALGORITHM-IDENTIFIER ::= { * { OID id-sha1 PARAMETERS NULL }| * { OID id-sha256 PARAMETERS NULL }| * { OID id-sha384 PARAMETERS NULL }| * { OID id-sha512 PARAMETERS NULL }, * ... -- Allows for future expansion -- * } * PKCS1MGFAlgorithms ALGORITHM-IDENTIFIER ::= { * { OID id-mgf1 PARAMETERS OAEP-PSSDigestAlgorithms }, * ... -- Allows for future expansion -- * } * PKCS1PSourceAlgorithms ALGORITHM-IDENTIFIER ::= { * { OID id-pSpecified PARAMETERS OCTET STRING }, * ... -- Allows for future expansion -- * } * </pre> * * @return the asn1 primitive representing the parameters. */ public ASN1Primitive toASN1Primitive() { ASN1EncodableVector v = new ASN1EncodableVector(); if (!hashAlgorithm.equals(DEFAULT_HASH_ALGORITHM)) { v.add(new DERTaggedObject(true, 0, hashAlgorithm)); } if (!maskGenAlgorithm.equals(DEFAULT_MASK_GEN_FUNCTION)) { v.add(new DERTaggedObject(true, 1, maskGenAlgorithm)); } if (!pSourceAlgorithm.equals(DEFAULT_P_SOURCE_ALGORITHM)) { v.add(new DERTaggedObject(true, 2, pSourceAlgorithm)); } return new DERSequence(v); }