diff options
Diffstat (limited to 'libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/asn1/RainbowPublicKey.java')
-rw-r--r-- | libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/asn1/RainbowPublicKey.java | 175 |
1 files changed, 0 insertions, 175 deletions
diff --git a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/asn1/RainbowPublicKey.java b/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/asn1/RainbowPublicKey.java deleted file mode 100644 index 024e14834..000000000 --- a/libraries/spongycastle/core/src/main/java/org/spongycastle/pqc/asn1/RainbowPublicKey.java +++ /dev/null @@ -1,175 +0,0 @@ -package org.spongycastle.pqc.asn1; - -import org.spongycastle.asn1.ASN1EncodableVector; -import org.spongycastle.asn1.ASN1Integer; -import org.spongycastle.asn1.ASN1Object; -import org.spongycastle.asn1.ASN1ObjectIdentifier; -import org.spongycastle.asn1.ASN1OctetString; -import org.spongycastle.asn1.ASN1Primitive; -import org.spongycastle.asn1.ASN1Sequence; -import org.spongycastle.asn1.DEROctetString; -import org.spongycastle.asn1.DERSequence; -import org.spongycastle.pqc.crypto.rainbow.util.RainbowUtil; - -/** - * This class implements an ASN.1 encoded Rainbow public key. The ASN.1 definition - * of this structure is: - * <p/> - * <pre> - * RainbowPublicKey ::= SEQUENCE { - * CHOICE - * { - * oid OBJECT IDENTIFIER -- OID identifying the algorithm - * version INTEGER -- 0 - * } - * docLength Integer -- length of the code - * coeffquadratic SEQUENCE OF OCTET STRING -- quadratic (mixed) coefficients - * coeffsingular SEQUENCE OF OCTET STRING -- singular coefficients - * coeffscalar SEQUENCE OF OCTET STRING -- scalar coefficients - * } - * </pre> - */ -public class RainbowPublicKey - extends ASN1Object -{ - private ASN1Integer version; - private ASN1ObjectIdentifier oid; - private ASN1Integer docLength; - private byte[][] coeffQuadratic; - private byte[][] coeffSingular; - private byte[] coeffScalar; - - private RainbowPublicKey(ASN1Sequence seq) - { - // <oidString> or version - if (seq.getObjectAt(0) instanceof ASN1Integer) - { - version = ASN1Integer.getInstance(seq.getObjectAt(0)); - } - else - { - oid = ASN1ObjectIdentifier.getInstance(seq.getObjectAt(0)); - } - - docLength = ASN1Integer.getInstance(seq.getObjectAt(1)); - - ASN1Sequence asnCoeffQuad = ASN1Sequence.getInstance(seq.getObjectAt(2)); - coeffQuadratic = new byte[asnCoeffQuad.size()][]; - for (int quadSize = 0; quadSize < asnCoeffQuad.size(); quadSize++) - { - coeffQuadratic[quadSize] = ASN1OctetString.getInstance(asnCoeffQuad.getObjectAt(quadSize)).getOctets(); - } - - ASN1Sequence asnCoeffSing = (ASN1Sequence)seq.getObjectAt(3); - coeffSingular = new byte[asnCoeffSing.size()][]; - for (int singSize = 0; singSize < asnCoeffSing.size(); singSize++) - { - coeffSingular[singSize] = ASN1OctetString.getInstance(asnCoeffSing.getObjectAt(singSize)).getOctets(); - } - - ASN1Sequence asnCoeffScalar = (ASN1Sequence)seq.getObjectAt(4); - coeffScalar = ASN1OctetString.getInstance(asnCoeffScalar.getObjectAt(0)).getOctets(); - } - - public RainbowPublicKey(int docLength, short[][] coeffQuadratic, short[][] coeffSingular, short[] coeffScalar) - { - this.version = new ASN1Integer(0); - this.docLength = new ASN1Integer(docLength); - this.coeffQuadratic = RainbowUtil.convertArray(coeffQuadratic); - this.coeffSingular = RainbowUtil.convertArray(coeffSingular); - this.coeffScalar = RainbowUtil.convertArray(coeffScalar); - } - - public static RainbowPublicKey getInstance(Object o) - { - if (o instanceof RainbowPublicKey) - { - return (RainbowPublicKey)o; - } - else if (o != null) - { - return new RainbowPublicKey(ASN1Sequence.getInstance(o)); - } - - return null; - } - - public ASN1Integer getVersion() - { - return version; - } - - /** - * @return the docLength - */ - public int getDocLength() - { - return this.docLength.getValue().intValue(); - } - - /** - * @return the coeffquadratic - */ - public short[][] getCoeffQuadratic() - { - return RainbowUtil.convertArray(coeffQuadratic); - } - - /** - * @return the coeffsingular - */ - public short[][] getCoeffSingular() - { - return RainbowUtil.convertArray(coeffSingular); - } - - /** - * @return the coeffscalar - */ - public short[] getCoeffScalar() - { - return RainbowUtil.convertArray(coeffScalar); - } - - public ASN1Primitive toASN1Primitive() - { - ASN1EncodableVector v = new ASN1EncodableVector(); - - // encode <oidString> or version - if (version != null) - { - v.add(version); - } - else - { - v.add(oid); - } - - // encode <docLength> - v.add(docLength); - - // encode <coeffQuadratic> - ASN1EncodableVector asnCoeffQuad = new ASN1EncodableVector(); - for (int i = 0; i < coeffQuadratic.length; i++) - { - asnCoeffQuad.add(new DEROctetString(coeffQuadratic[i])); - } - v.add(new DERSequence(asnCoeffQuad)); - - // encode <coeffSingular> - ASN1EncodableVector asnCoeffSing = new ASN1EncodableVector(); - for (int i = 0; i < coeffSingular.length; i++) - { - asnCoeffSing.add(new DEROctetString(coeffSingular[i])); - } - v.add(new DERSequence(asnCoeffSing)); - - // encode <coeffScalar> - ASN1EncodableVector asnCoeffScalar = new ASN1EncodableVector(); - asnCoeffScalar.add(new DEROctetString(coeffScalar)); - v.add(new DERSequence(asnCoeffScalar)); - - - return new DERSequence(v); - } -} |