AsymmetricBlockCipher.smali

.class public abstract Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;
.super Lorg/spongycastle/pqc/jcajce/provider/util/CipherSpiExt;
.source "AsymmetricBlockCipher.java"


# instance fields
.field protected buf:Ljava/io/ByteArrayOutputStream;

.field protected cipherTextSize:I

.field protected maxPlainTextSize:I

.field protected paramSpec:Ljava/security/spec/AlgorithmParameterSpec;


# direct methods
.method public constructor <init>()V
    .registers 2

    .prologue
    .line 51
    invoke-direct {p0}, Lorg/spongycastle/pqc/jcajce/provider/util/CipherSpiExt;-><init>()V

    .line 52
    new-instance v0, Ljava/io/ByteArrayOutputStream;

    invoke-direct {v0}, Ljava/io/ByteArrayOutputStream;-><init>()V

    iput-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->buf:Ljava/io/ByteArrayOutputStream;

    .line 53
    return-void
.end method


# virtual methods
.method protected checkLength(I)V
    .registers 6

    .prologue
    .line 437
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->buf:Ljava/io/ByteArrayOutputStream;

    invoke-virtual {v0}, Ljava/io/ByteArrayOutputStream;->size()I

    move-result v0

    add-int/2addr v0, p1

    .line 439
    iget v1, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->opMode:I

    const/4 v2, 0x1

    if-ne v1, v2, :cond_37

    .line 441
    iget v1, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->maxPlainTextSize:I

    if-le v0, v1, :cond_67

    .line 443
    new-instance v1, Ljavax/crypto/IllegalBlockSizeException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "The length of the plaintext ("

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v2, " bytes) is not supported by the cipher (max. "

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v0

    iget v2, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->maxPlainTextSize:I

    invoke-virtual {v0, v2}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v2, " bytes)."

    invoke-virtual {v0, v2}, 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

    invoke-direct {v1, v0}, Ljavax/crypto/IllegalBlockSizeException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 450
    :cond_37
    iget v1, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->opMode:I

    const/4 v2, 0x2

    if-ne v1, v2, :cond_67

    .line 452
    iget v1, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->cipherTextSize:I

    if-eq v0, v1, :cond_67

    .line 454
    new-instance v1, Ljavax/crypto/IllegalBlockSizeException;

    new-instance v2, Ljava/lang/StringBuilder;

    const-string v3, "Illegal ciphertext length (expected "

    invoke-direct {v2, v3}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    iget v3, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->cipherTextSize:I

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v2

    const-string v3, " bytes, was "

    invoke-virtual {v2, v3}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    invoke-virtual {v2, v0}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;

    move-result-object v0

    const-string v2, " bytes)."

    invoke-virtual {v0, v2}, 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

    invoke-direct {v1, v0}, Ljavax/crypto/IllegalBlockSizeException;-><init>(Ljava/lang/String;)V

    throw v1

    .line 460
    :cond_67
    return-void
.end method

.method public final doFinal([BII[BI)I
    .registers 9

    .prologue
    .line 389
    array-length v0, p4

    invoke-virtual {p0, p3}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->getOutputSize(I)I

    move-result v1

    if-ge v0, v1, :cond_f

    .line 391
    new-instance v0, Ljavax/crypto/ShortBufferException;

    const-string v1, "Output buffer too short."

    invoke-direct {v0, v1}, Ljavax/crypto/ShortBufferException;-><init>(Ljava/lang/String;)V

    throw v0

    .line 394
    :cond_f
    invoke-virtual {p0, p1, p2, p3}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->doFinal([BII)[B

    move-result-object v0

    .line 395
    const/4 v1, 0x0

    array-length v2, v0

    invoke-static {v0, v1, p4, p5, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 396
    array-length v0, v0

    return v0
.end method

.method public final doFinal([BII)[B
    .registers 6

    .prologue
    .line 350
    invoke-virtual {p0, p3}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->checkLength(I)V

    .line 351
    invoke-virtual {p0, p1, p2, p3}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->update([BII)[B

    .line 352
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->buf:Ljava/io/ByteArrayOutputStream;

    invoke-virtual {v0}, Ljava/io/ByteArrayOutputStream;->toByteArray()[B

    move-result-object v0

    .line 353
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->buf:Ljava/io/ByteArrayOutputStream;

    invoke-virtual {v1}, Ljava/io/ByteArrayOutputStream;->reset()V

    .line 355
    iget v1, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->opMode:I

    packed-switch v1, :pswitch_data_22

    .line 364
    const/4 v0, 0x0

    :goto_17
    return-object v0

    .line 358
    :pswitch_18
    invoke-virtual {p0, v0}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->messageEncrypt([B)[B

    move-result-object v0

    goto :goto_17

    .line 361
    :pswitch_1d
    invoke-virtual {p0, v0}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->messageDecrypt([B)[B

    move-result-object v0

    goto :goto_17

    .line 355
    :pswitch_data_22
    .packed-switch 0x1
        :pswitch_18
        :pswitch_1d
    .end packed-switch
.end method

.method public final getBlockSize()I
    .registers 3

    .prologue
    .line 66
    iget v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->opMode:I

    const/4 v1, 0x1

    if-ne v0, v1, :cond_8

    iget v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->maxPlainTextSize:I

    :goto_7
    return v0

    :cond_8
    iget v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->cipherTextSize:I

    goto :goto_7
.end method

.method public final getIV()[B
    .registers 2

    .prologue
    .line 74
    const/4 v0, 0x0

    return-object v0
.end method

.method public final getOutputSize(I)I
    .registers 4

    .prologue
    .line 95
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->buf:Ljava/io/ByteArrayOutputStream;

    invoke-virtual {v0}, Ljava/io/ByteArrayOutputStream;->size()I

    move-result v0

    add-int v1, p1, v0

    .line 97
    invoke-virtual {p0}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->getBlockSize()I

    move-result v0

    .line 99
    if-le v1, v0, :cond_f

    .line 102
    const/4 v0, 0x0

    .line 105
    :cond_f
    return v0
.end method

.method public final getParameters()Ljava/security/spec/AlgorithmParameterSpec;
    .registers 2

    .prologue
    .line 124
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->paramSpec:Ljava/security/spec/AlgorithmParameterSpec;

    return-object v0
.end method

.method public abstract initCipherDecrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
.end method

.method public abstract initCipherEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
.end method

.method public final initDecrypt(Ljava/security/Key;)V
    .registers 4

    .prologue
    .line 261
    const/4 v0, 0x0

    :try_start_1
    invoke-virtual {p0, p1, v0}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->initDecrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    :try_end_4
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_1 .. :try_end_4} :catch_5

    .line 267
    return-void

    .line 265
    :catch_5
    move-exception v0

    new-instance v0, Ljava/security/InvalidParameterException;

    const-string v1, "This cipher needs algorithm parameters for initialization (cannot be null)."

    invoke-direct {v0, v1}, Ljava/security/InvalidParameterException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public final initDecrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 4

    .prologue
    .line 295
    const/4 v0, 0x2

    iput v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->opMode:I

    .line 296
    invoke-virtual {p0, p1, p2}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->initCipherDecrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V

    .line 297
    return-void
.end method

.method public final initEncrypt(Ljava/security/Key;)V
    .registers 4

    .prologue
    .line 148
    const/4 v0, 0x0

    :try_start_1
    new-instance v1, Ljava/security/SecureRandom;

    invoke-direct {v1}, Ljava/security/SecureRandom;-><init>()V

    invoke-virtual {p0, p1, v0, v1}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->initEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    :try_end_9
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_1 .. :try_end_9} :catch_a

    .line 154
    return-void

    .line 152
    :catch_a
    move-exception v0

    new-instance v0, Ljava/security/InvalidParameterException;

    const-string v1, "This cipher needs algorithm parameters for initialization (cannot be null)."

    invoke-direct {v0, v1}, Ljava/security/InvalidParameterException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public final initEncrypt(Ljava/security/Key;Ljava/security/SecureRandom;)V
    .registers 5

    .prologue
    .line 180
    const/4 v0, 0x0

    :try_start_1
    invoke-virtual {p0, p1, v0, p2}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->initEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    :try_end_4
    .catch Ljava/security/InvalidAlgorithmParameterException; {:try_start_1 .. :try_end_4} :catch_5

    .line 186
    return-void

    .line 184
    :catch_5
    move-exception v0

    new-instance v0, Ljava/security/InvalidParameterException;

    const-string v1, "This cipher needs algorithm parameters for initialization (cannot be null)."

    invoke-direct {v0, v1}, Ljava/security/InvalidParameterException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method public final initEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 4

    .prologue
    .line 205
    new-instance v0, Ljava/security/SecureRandom;

    invoke-direct {v0}, Ljava/security/SecureRandom;-><init>()V

    invoke-virtual {p0, p1, p2, v0}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->initEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V

    .line 206
    return-void
.end method

.method public final initEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    .registers 5

    .prologue
    .line 236
    const/4 v0, 0x1

    iput v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->opMode:I

    .line 237
    invoke-virtual {p0, p1, p2, p3}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->initCipherEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V

    .line 238
    return-void
.end method

.method public abstract messageDecrypt([B)[B
.end method

.method public abstract messageEncrypt([B)[B
.end method

.method protected final setMode(Ljava/lang/String;)V
    .registers 2

    .prologue
    .line 408
    return-void
.end method

.method protected final setPadding(Ljava/lang/String;)V
    .registers 2

    .prologue
    .line 419
    return-void
.end method

.method public final update([BII[BI)I
    .registers 7

    .prologue
    .line 331
    invoke-virtual {p0, p1, p2, p3}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->update([BII)[B

    .line 332
    const/4 v0, 0x0

    return v0
.end method

.method public final update([BII)[B
    .registers 5

    .prologue
    .line 310
    if-eqz p3, :cond_7

    .line 312
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;->buf:Ljava/io/ByteArrayOutputStream;

    invoke-virtual {v0, p1, p2, p3}, Ljava/io/ByteArrayOutputStream;->write([BII)V

    .line 314
    :cond_7
    const/4 v0, 0x0

    new-array v0, v0, [B

    return-object v0
.end method