package org.bouncycastle.math.ec.custom.sec; import java.math.BigInteger; import org.bouncycastle.math.ec.ECFieldElement; import org.bouncycastle.math.raw.Mod; import org.bouncycastle.math.raw.Nat160; import org.bouncycastle.util.Arrays; /* loaded from: classes6.dex */ public class SecP160R2FieldElement extends ECFieldElement { public static final BigInteger Q = SecP160R2Curve.q; protected int[] x; @Override // org.bouncycastle.math.ec.ECFieldElement public BigInteger toBigInteger() { return Nat160.toBigInteger(this.x); } @Override // org.bouncycastle.math.ec.ECFieldElement public boolean testBitZero() { return Nat160.getBit(this.x, 0) == 1; } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement subtract(ECFieldElement eCFieldElement) { int[] create = Nat160.create(); SecP160R2Field.subtract(this.x, ((SecP160R2FieldElement) eCFieldElement).x, create); return new SecP160R2FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement square() { int[] create = Nat160.create(); SecP160R2Field.square(this.x, create); return new SecP160R2FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement sqrt() { int[] iArr = this.x; if (Nat160.isZero(iArr) || Nat160.isOne(iArr)) { return this; } int[] create = Nat160.create(); SecP160R2Field.square(iArr, create); SecP160R2Field.multiply(create, iArr, create); int[] create2 = Nat160.create(); SecP160R2Field.square(create, create2); SecP160R2Field.multiply(create2, iArr, create2); int[] create3 = Nat160.create(); SecP160R2Field.square(create2, create3); SecP160R2Field.multiply(create3, iArr, create3); int[] create4 = Nat160.create(); SecP160R2Field.squareN(create3, 3, create4); SecP160R2Field.multiply(create4, create2, create4); SecP160R2Field.squareN(create4, 7, create3); SecP160R2Field.multiply(create3, create4, create3); SecP160R2Field.squareN(create3, 3, create4); SecP160R2Field.multiply(create4, create2, create4); int[] create5 = Nat160.create(); SecP160R2Field.squareN(create4, 14, create5); SecP160R2Field.multiply(create5, create3, create5); SecP160R2Field.squareN(create5, 31, create3); SecP160R2Field.multiply(create3, create5, create3); SecP160R2Field.squareN(create3, 62, create5); SecP160R2Field.multiply(create5, create3, create5); SecP160R2Field.squareN(create5, 3, create3); SecP160R2Field.multiply(create3, create2, create3); SecP160R2Field.squareN(create3, 18, create3); SecP160R2Field.multiply(create3, create4, create3); SecP160R2Field.squareN(create3, 2, create3); SecP160R2Field.multiply(create3, iArr, create3); SecP160R2Field.squareN(create3, 3, create3); SecP160R2Field.multiply(create3, create, create3); SecP160R2Field.squareN(create3, 6, create3); SecP160R2Field.multiply(create3, create2, create3); SecP160R2Field.squareN(create3, 2, create3); SecP160R2Field.multiply(create3, iArr, create3); SecP160R2Field.square(create3, create); if (Nat160.eq(iArr, create)) { return new SecP160R2FieldElement(create3); } return null; } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement negate() { int[] create = Nat160.create(); SecP160R2Field.negate(this.x, create); return new SecP160R2FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement multiply(ECFieldElement eCFieldElement) { int[] create = Nat160.create(); SecP160R2Field.multiply(this.x, ((SecP160R2FieldElement) eCFieldElement).x, create); return new SecP160R2FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public boolean isZero() { return Nat160.isZero(this.x); } @Override // org.bouncycastle.math.ec.ECFieldElement public boolean isOne() { return Nat160.isOne(this.x); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement invert() { int[] create = Nat160.create(); Mod.invert(SecP160R2Field.P, this.x, create); return new SecP160R2FieldElement(create); } public int hashCode() { return Q.hashCode() ^ Arrays.hashCode(this.x, 0, 5); } @Override // org.bouncycastle.math.ec.ECFieldElement public int getFieldSize() { return Q.bitLength(); } @Override // org.bouncycastle.math.ec.ECFieldElement public String getFieldName() { return "SecP160R2Field"; } public boolean equals(Object obj) { if (obj == this) { return true; } if (obj instanceof SecP160R2FieldElement) { return Nat160.eq(this.x, ((SecP160R2FieldElement) obj).x); } return false; } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement divide(ECFieldElement eCFieldElement) { int[] create = Nat160.create(); Mod.invert(SecP160R2Field.P, ((SecP160R2FieldElement) eCFieldElement).x, create); SecP160R2Field.multiply(create, this.x, create); return new SecP160R2FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement addOne() { int[] create = Nat160.create(); SecP160R2Field.addOne(this.x, create); return new SecP160R2FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement add(ECFieldElement eCFieldElement) { int[] create = Nat160.create(); SecP160R2Field.add(this.x, ((SecP160R2FieldElement) eCFieldElement).x, create); return new SecP160R2FieldElement(create); } /* JADX INFO: Access modifiers changed from: protected */ public SecP160R2FieldElement(int[] iArr) { this.x = iArr; } public SecP160R2FieldElement(BigInteger bigInteger) { if (bigInteger == null || bigInteger.signum() < 0 || bigInteger.compareTo(Q) >= 0) { throw new IllegalArgumentException("x value invalid for SecP160R2FieldElement"); } this.x = SecP160R2Field.fromBigInteger(bigInteger); } public SecP160R2FieldElement() { this.x = Nat160.create(); } }