Permutation.smali
.class public Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
.super Ljava/lang/Object;
.source "Permutation.java"
# instance fields
.field private perm:[I
# direct methods
.method public constructor <init>(I)V
.registers 4
.prologue
.line 26
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 27
if-gtz p1, :cond_d
.line 29
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "invalid length"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 32
:cond_d
new-array v0, p1, [I
iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
.line 33
add-int/lit8 v0, p1, -0x1
:goto_13
if-ltz v0, :cond_1c
.line 35
iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
aput v0, v1, v0
.line 33
add-int/lit8 v0, v0, -0x1
goto :goto_13
.line 37
:cond_1c
return-void
.end method
.method public constructor <init>(ILjava/security/SecureRandom;)V
.registers 9
.prologue
const/4 v0, 0x0
.line 95
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 96
if-gtz p1, :cond_e
.line 98
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "invalid length"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 101
:cond_e
new-array v1, p1, [I
iput-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
.line 103
new-array v2, p1, [I
move v1, v0
.line 104
:goto_15
if-ge v1, p1, :cond_1c
.line 106
aput v1, v2, v1
.line 104
add-int/lit8 v1, v1, 0x1
goto :goto_15
:cond_1c
move v1, p1
.line 110
:goto_1d
if-ge v0, p1, :cond_32
.line 112
invoke-static {p2, v1}, Lorg/spongycastle/pqc/math/linearalgebra/RandUtils;->nextInt(Ljava/security/SecureRandom;I)I
move-result v3
.line 113
add-int/lit8 v1, v1, -0x1
.line 114
iget-object v4, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
aget v5, v2, v3
aput v5, v4, v0
.line 115
aget v4, v2, v1
aput v4, v2, v3
.line 110
add-int/lit8 v0, v0, 0x1
goto :goto_1d
.line 117
:cond_32
return-void
.end method
.method public constructor <init>([B)V
.registers 7
.prologue
const/4 v0, 0x0
.line 61
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 62
array-length v1, p1
const/4 v2, 0x4
if-gt v1, v2, :cond_10
.line 64
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "invalid encoding"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 67
:cond_10
invoke-static {p1, v0}, Lorg/spongycastle/pqc/math/linearalgebra/LittleEndianConversions;->OS2IP([BI)I
move-result v1
.line 68
add-int/lit8 v2, v1, -0x1
invoke-static {v2}, Lorg/spongycastle/pqc/math/linearalgebra/IntegerFunctions;->ceilLog256(I)I
move-result v2
.line 70
array-length v3, p1
mul-int v4, v1, v2
add-int/lit8 v4, v4, 0x4
if-eq v3, v4, :cond_29
.line 72
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "invalid encoding"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 75
:cond_29
new-array v3, v1, [I
iput-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
.line 76
:goto_2d
if-ge v0, v1, :cond_3e
.line 78
iget-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
mul-int v4, v0, v2
add-int/lit8 v4, v4, 0x4
invoke-static {p1, v4, v2}, Lorg/spongycastle/pqc/math/linearalgebra/LittleEndianConversions;->OS2IP([BII)I
move-result v4
aput v4, v3, v0
.line 76
add-int/lit8 v0, v0, 0x1
goto :goto_2d
.line 81
:cond_3e
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
invoke-direct {p0, v0}, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->isPermutation([I)Z
move-result v0
if-nez v0, :cond_4e
.line 83
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "invalid encoding"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 86
:cond_4e
return-void
.end method
.method public constructor <init>([I)V
.registers 4
.prologue
.line 45
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
.line 46
invoke-direct {p0, p1}, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->isPermutation([I)Z
move-result v0
if-nez v0, :cond_11
.line 48
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "array is not a permutation vector"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 52
:cond_11
invoke-static {p1}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->clone([I)[I
move-result-object v0
iput-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
.line 53
return-void
.end method
.method private isPermutation([I)Z
.registers 8
.prologue
const/4 v1, 0x1
const/4 v0, 0x0
.line 232
array-length v3, p1
.line 233
new-array v4, v3, [Z
move v2, v0
.line 235
:goto_6
if-ge v2, v3, :cond_1e
.line 237
aget v5, p1, v2
if-ltz v5, :cond_16
aget v5, p1, v2
if-ge v5, v3, :cond_16
aget v5, p1, v2
aget-boolean v5, v4, v5
if-eqz v5, :cond_17
.line 244
:cond_16
:goto_16
return v0
.line 241
:cond_17
aget v5, p1, v2
aput-boolean v1, v4, v5
.line 235
add-int/lit8 v2, v2, 0x1
goto :goto_6
:cond_1e
move v0, v1
.line 244
goto :goto_16
.end method
# virtual methods
.method public computeInverse()Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
.registers 5
.prologue
.line 152
new-instance v1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v0, v0
invoke-direct {v1, v0}, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;-><init>(I)V
.line 153
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v0, v0
add-int/lit8 v0, v0, -0x1
:goto_d
if-ltz v0, :cond_1a
.line 155
iget-object v2, v1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
iget-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
aget v3, v3, v0
aput v0, v2, v3
.line 153
add-int/lit8 v0, v0, -0x1
goto :goto_d
.line 157
:cond_1a
return-object v1
.end method
.method public equals(Ljava/lang/Object;)Z
.registers 4
.prologue
.line 192
instance-of v0, p1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
if-nez v0, :cond_6
.line 194
const/4 v0, 0x0
.line 198
:goto_5
return v0
.line 196
:cond_6
check-cast p1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
.line 198
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
iget-object v1, p1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
invoke-static {v0, v1}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->equals([I[I)Z
move-result v0
goto :goto_5
.end method
.method public getEncoded()[B
.registers 7
.prologue
const/4 v0, 0x0
.line 126
iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v1, v1
.line 127
add-int/lit8 v2, v1, -0x1
invoke-static {v2}, Lorg/spongycastle/pqc/math/linearalgebra/IntegerFunctions;->ceilLog256(I)I
move-result v2
.line 128
mul-int v3, v1, v2
add-int/lit8 v3, v3, 0x4
new-array v3, v3, [B
.line 129
invoke-static {v1, v3, v0}, Lorg/spongycastle/pqc/math/linearalgebra/LittleEndianConversions;->I2OSP(I[BI)V
.line 130
:goto_13
if-ge v0, v1, :cond_23
.line 132
iget-object v4, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
aget v4, v4, v0
mul-int v5, v0, v2
add-int/lit8 v5, v5, 0x4
invoke-static {v4, v3, v5, v2}, Lorg/spongycastle/pqc/math/linearalgebra/LittleEndianConversions;->I2OSP(I[BII)V
.line 130
add-int/lit8 v0, v0, 0x1
goto :goto_13
.line 134
:cond_23
return-object v3
.end method
.method public getVector()[I
.registers 2
.prologue
.line 142
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
invoke-static {v0}, Lorg/spongycastle/pqc/math/linearalgebra/IntUtils;->clone([I)[I
move-result-object v0
return-object v0
.end method
.method public hashCode()I
.registers 2
.prologue
.line 220
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
invoke-virtual {v0}, Ljava/lang/Object;->hashCode()I
move-result v0
return v0
.end method
.method public rightMultiply(Lorg/spongycastle/pqc/math/linearalgebra/Permutation;)Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
.registers 7
.prologue
.line 168
iget-object v0, p1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v0, v0
iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v1, v1
if-eq v0, v1, :cond_10
.line 170
new-instance v0, Ljava/lang/IllegalArgumentException;
const-string v1, "length mismatch"
invoke-direct {v0, v1}, Ljava/lang/IllegalArgumentException;-><init>(Ljava/lang/String;)V
throw v0
.line 172
:cond_10
new-instance v1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v0, v0
invoke-direct {v1, v0}, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;-><init>(I)V
.line 173
iget-object v0, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v0, v0
add-int/lit8 v0, v0, -0x1
:goto_1d
if-ltz v0, :cond_2e
.line 175
iget-object v2, v1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
iget-object v3, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
iget-object v4, p1, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
aget v4, v4, v0
aget v3, v3, v4
aput v3, v2, v0
.line 173
add-int/lit8 v0, v0, -0x1
goto :goto_1d
.line 177
:cond_2e
return-object v1
.end method
.method public toString()Ljava/lang/String;
.registers 4
.prologue
.line 206
new-instance v0, Ljava/lang/StringBuilder;
const-string v1, "["
invoke-direct {v0, v1}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V
iget-object v1, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
const/4 v2, 0x0
aget v1, v1, v2
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
move-result-object v0
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
.line 207
const/4 v0, 0x1
:goto_15
iget-object v2, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
array-length v2, v2
if-ge v0, v2, :cond_38
.line 209
new-instance v2, Ljava/lang/StringBuilder;
invoke-direct {v2}, Ljava/lang/StringBuilder;-><init>()V
invoke-virtual {v2, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
const-string v2, ", "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
iget-object v2, p0, Lorg/spongycastle/pqc/math/linearalgebra/Permutation;->perm:[I
aget v2, v2, v0
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
.line 207
add-int/lit8 v0, v0, 0x1
goto :goto_15
.line 211
:cond_38
new-instance v0, Ljava/lang/StringBuilder;
invoke-direct {v0}, Ljava/lang/StringBuilder;-><init>()V
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v0
const-string v1, "]"
invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v0
invoke-virtual {v0}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v0
.line 212
return-object v0
.end method