diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/pkcs/RSASSAPSSparams.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/pkcs/RSASSAPSSparams.java | 172 |
1 files changed, 0 insertions, 172 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/pkcs/RSASSAPSSparams.java b/core/src/main/java/org/bouncycastle/asn1/pkcs/RSASSAPSSparams.java deleted file mode 100644 index dc91c9c1..00000000 --- a/core/src/main/java/org/bouncycastle/asn1/pkcs/RSASSAPSSparams.java +++ /dev/null @@ -1,172 +0,0 @@ -package org.bouncycastle.asn1.pkcs; - -import java.math.BigInteger; - -import org.bouncycastle.asn1.ASN1EncodableVector; -import org.bouncycastle.asn1.ASN1Integer; -import org.bouncycastle.asn1.ASN1Object; -import org.bouncycastle.asn1.ASN1Primitive; -import org.bouncycastle.asn1.ASN1Sequence; -import org.bouncycastle.asn1.ASN1TaggedObject; -import org.bouncycastle.asn1.DERNull; -import org.bouncycastle.asn1.DERSequence; -import org.bouncycastle.asn1.DERTaggedObject; -import org.bouncycastle.asn1.oiw.OIWObjectIdentifiers; -import org.bouncycastle.asn1.x509.AlgorithmIdentifier; - -public class RSASSAPSSparams - extends ASN1Object -{ - private AlgorithmIdentifier hashAlgorithm; - private AlgorithmIdentifier maskGenAlgorithm; - private ASN1Integer saltLength; - private ASN1Integer trailerField; - - public final static AlgorithmIdentifier DEFAULT_HASH_ALGORITHM = new AlgorithmIdentifier(OIWObjectIdentifiers.idSHA1, DERNull.INSTANCE); - public final static AlgorithmIdentifier DEFAULT_MASK_GEN_FUNCTION = new AlgorithmIdentifier(PKCSObjectIdentifiers.id_mgf1, DEFAULT_HASH_ALGORITHM); - public final static ASN1Integer DEFAULT_SALT_LENGTH = new ASN1Integer(20); - public final static ASN1Integer DEFAULT_TRAILER_FIELD = new ASN1Integer(1); - - public static RSASSAPSSparams getInstance( - Object obj) - { - if (obj instanceof RSASSAPSSparams) - { - return (RSASSAPSSparams)obj; - } - else if (obj != null) - { - return new RSASSAPSSparams(ASN1Sequence.getInstance(obj)); - } - - return null; - } - - /** - * The default version - */ - public RSASSAPSSparams() - { - hashAlgorithm = DEFAULT_HASH_ALGORITHM; - maskGenAlgorithm = DEFAULT_MASK_GEN_FUNCTION; - saltLength = DEFAULT_SALT_LENGTH; - trailerField = DEFAULT_TRAILER_FIELD; - } - - public RSASSAPSSparams( - AlgorithmIdentifier hashAlgorithm, - AlgorithmIdentifier maskGenAlgorithm, - ASN1Integer saltLength, - ASN1Integer trailerField) - { - this.hashAlgorithm = hashAlgorithm; - this.maskGenAlgorithm = maskGenAlgorithm; - this.saltLength = saltLength; - this.trailerField = trailerField; - } - - private RSASSAPSSparams( - ASN1Sequence seq) - { - hashAlgorithm = DEFAULT_HASH_ALGORITHM; - maskGenAlgorithm = DEFAULT_MASK_GEN_FUNCTION; - saltLength = DEFAULT_SALT_LENGTH; - trailerField = DEFAULT_TRAILER_FIELD; - - for (int i = 0; i != seq.size(); i++) - { - ASN1TaggedObject o = (ASN1TaggedObject)seq.getObjectAt(i); - - switch (o.getTagNo()) - { - case 0: - hashAlgorithm = AlgorithmIdentifier.getInstance(o, true); - break; - case 1: - maskGenAlgorithm = AlgorithmIdentifier.getInstance(o, true); - break; - case 2: - saltLength = ASN1Integer.getInstance(o, true); - break; - case 3: - trailerField = ASN1Integer.getInstance(o, true); - break; - default: - throw new IllegalArgumentException("unknown tag"); - } - } - } - - public AlgorithmIdentifier getHashAlgorithm() - { - return hashAlgorithm; - } - - public AlgorithmIdentifier getMaskGenAlgorithm() - { - return maskGenAlgorithm; - } - - public BigInteger getSaltLength() - { - return saltLength.getValue(); - } - - public BigInteger getTrailerField() - { - return trailerField.getValue(); - } - - /** - * <pre> - * RSASSA-PSS-params ::= SEQUENCE { - * hashAlgorithm [0] OAEP-PSSDigestAlgorithms DEFAULT sha1, - * maskGenAlgorithm [1] PKCS1MGFAlgorithms DEFAULT mgf1SHA1, - * saltLength [2] INTEGER DEFAULT 20, - * trailerField [3] TrailerField DEFAULT trailerFieldBC - * } - * - * 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 -- - * } - * - * TrailerField ::= INTEGER { trailerFieldBC(1) } - * </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 (!saltLength.equals(DEFAULT_SALT_LENGTH)) - { - v.add(new DERTaggedObject(true, 2, saltLength)); - } - - if (!trailerField.equals(DEFAULT_TRAILER_FIELD)) - { - v.add(new DERTaggedObject(true, 3, trailerField)); - } - - return new DERSequence(v); - } -} |