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.Nat256; import org.bouncycastle.util.Arrays; /* loaded from: classes6.dex */ public class SecP256K1FieldElement extends ECFieldElement { public static final BigInteger Q = SecP256K1Curve.q; protected int[] x; @Override // org.bouncycastle.math.ec.ECFieldElement public BigInteger toBigInteger() { return Nat256.toBigInteger(this.x); } @Override // org.bouncycastle.math.ec.ECFieldElement public boolean testBitZero() { return Nat256.getBit(this.x, 0) == 1; } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement subtract(ECFieldElement eCFieldElement) { int[] create = Nat256.create(); SecP256K1Field.subtract(this.x, ((SecP256K1FieldElement) eCFieldElement).x, create); return new SecP256K1FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement square() { int[] create = Nat256.create(); SecP256K1Field.square(this.x, create); return new SecP256K1FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement sqrt() { int[] iArr = this.x; if (Nat256.isZero(iArr) || Nat256.isOne(iArr)) { return this; } int[] create = Nat256.create(); SecP256K1Field.square(iArr, create); SecP256K1Field.multiply(create, iArr, create); int[] create2 = Nat256.create(); SecP256K1Field.square(create, create2); SecP256K1Field.multiply(create2, iArr, create2); int[] create3 = Nat256.create(); SecP256K1Field.squareN(create2, 3, create3); SecP256K1Field.multiply(create3, create2, create3); SecP256K1Field.squareN(create3, 3, create3); SecP256K1Field.multiply(create3, create2, create3); SecP256K1Field.squareN(create3, 2, create3); SecP256K1Field.multiply(create3, create, create3); int[] create4 = Nat256.create(); SecP256K1Field.squareN(create3, 11, create4); SecP256K1Field.multiply(create4, create3, create4); SecP256K1Field.squareN(create4, 22, create3); SecP256K1Field.multiply(create3, create4, create3); int[] create5 = Nat256.create(); SecP256K1Field.squareN(create3, 44, create5); SecP256K1Field.multiply(create5, create3, create5); int[] create6 = Nat256.create(); SecP256K1Field.squareN(create5, 88, create6); SecP256K1Field.multiply(create6, create5, create6); SecP256K1Field.squareN(create6, 44, create5); SecP256K1Field.multiply(create5, create3, create5); SecP256K1Field.squareN(create5, 3, create3); SecP256K1Field.multiply(create3, create2, create3); SecP256K1Field.squareN(create3, 23, create3); SecP256K1Field.multiply(create3, create4, create3); SecP256K1Field.squareN(create3, 6, create3); SecP256K1Field.multiply(create3, create, create3); SecP256K1Field.squareN(create3, 2, create3); SecP256K1Field.square(create3, create); if (Nat256.eq(iArr, create)) { return new SecP256K1FieldElement(create3); } return null; } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement negate() { int[] create = Nat256.create(); SecP256K1Field.negate(this.x, create); return new SecP256K1FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement multiply(ECFieldElement eCFieldElement) { int[] create = Nat256.create(); SecP256K1Field.multiply(this.x, ((SecP256K1FieldElement) eCFieldElement).x, create); return new SecP256K1FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public boolean isZero() { return Nat256.isZero(this.x); } @Override // org.bouncycastle.math.ec.ECFieldElement public boolean isOne() { return Nat256.isOne(this.x); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement invert() { int[] create = Nat256.create(); Mod.invert(SecP256K1Field.P, this.x, create); return new SecP256K1FieldElement(create); } public int hashCode() { return Q.hashCode() ^ Arrays.hashCode(this.x, 0, 8); } @Override // org.bouncycastle.math.ec.ECFieldElement public int getFieldSize() { return Q.bitLength(); } @Override // org.bouncycastle.math.ec.ECFieldElement public String getFieldName() { return "SecP256K1Field"; } public boolean equals(Object obj) { if (obj == this) { return true; } if (obj instanceof SecP256K1FieldElement) { return Nat256.eq(this.x, ((SecP256K1FieldElement) obj).x); } return false; } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement divide(ECFieldElement eCFieldElement) { int[] create = Nat256.create(); Mod.invert(SecP256K1Field.P, ((SecP256K1FieldElement) eCFieldElement).x, create); SecP256K1Field.multiply(create, this.x, create); return new SecP256K1FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement addOne() { int[] create = Nat256.create(); SecP256K1Field.addOne(this.x, create); return new SecP256K1FieldElement(create); } @Override // org.bouncycastle.math.ec.ECFieldElement public ECFieldElement add(ECFieldElement eCFieldElement) { int[] create = Nat256.create(); SecP256K1Field.add(this.x, ((SecP256K1FieldElement) eCFieldElement).x, create); return new SecP256K1FieldElement(create); } /* JADX INFO: Access modifiers changed from: protected */ public SecP256K1FieldElement(int[] iArr) { this.x = iArr; } public SecP256K1FieldElement(BigInteger bigInteger) { if (bigInteger == null || bigInteger.signum() < 0 || bigInteger.compareTo(Q) >= 0) { throw new IllegalArgumentException("x value invalid for SecP256K1FieldElement"); } this.x = SecP256K1Field.fromBigInteger(bigInteger); } public SecP256K1FieldElement() { this.x = Nat256.create(); } }