diff options
Diffstat (limited to 'core/src/main/java/org/bouncycastle/asn1/misc/CAST5CBCParameters.java')
-rw-r--r-- | core/src/main/java/org/bouncycastle/asn1/misc/CAST5CBCParameters.java | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/core/src/main/java/org/bouncycastle/asn1/misc/CAST5CBCParameters.java b/core/src/main/java/org/bouncycastle/asn1/misc/CAST5CBCParameters.java new file mode 100644 index 00000000..715e4bb9 --- /dev/null +++ b/core/src/main/java/org/bouncycastle/asn1/misc/CAST5CBCParameters.java @@ -0,0 +1,78 @@ +package org.bouncycastle.asn1.misc; + +import org.bouncycastle.asn1.ASN1EncodableVector; +import org.bouncycastle.asn1.ASN1Integer; +import org.bouncycastle.asn1.ASN1Object; +import org.bouncycastle.asn1.ASN1OctetString; +import org.bouncycastle.asn1.ASN1Primitive; +import org.bouncycastle.asn1.ASN1Sequence; +import org.bouncycastle.asn1.DEROctetString; +import org.bouncycastle.asn1.DERSequence; + +public class CAST5CBCParameters + extends ASN1Object +{ + ASN1Integer keyLength; + ASN1OctetString iv; + + public static CAST5CBCParameters getInstance( + Object o) + { + if (o instanceof CAST5CBCParameters) + { + return (CAST5CBCParameters)o; + } + else if (o != null) + { + return new CAST5CBCParameters(ASN1Sequence.getInstance(o)); + } + + return null; + } + + public CAST5CBCParameters( + byte[] iv, + int keyLength) + { + this.iv = new DEROctetString(iv); + this.keyLength = new ASN1Integer(keyLength); + } + + public CAST5CBCParameters( + ASN1Sequence seq) + { + iv = (ASN1OctetString)seq.getObjectAt(0); + keyLength = (ASN1Integer)seq.getObjectAt(1); + } + + public byte[] getIV() + { + return iv.getOctets(); + } + + public int getKeyLength() + { + return keyLength.getValue().intValue(); + } + + /** + * Produce an object suitable for an ASN1OutputStream. + * <pre> + * cast5CBCParameters ::= SEQUENCE { + * iv OCTET STRING DEFAULT 0, + * -- Initialization vector + * keyLength INTEGER + * -- Key length, in bits + * } + * </pre> + */ + public ASN1Primitive toASN1Primitive() + { + ASN1EncodableVector v = new ASN1EncodableVector(); + + v.add(iv); + v.add(keyLength); + + return new DERSequence(v); + } +} |