McEliecePKCSCipherSpi.smali

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

# interfaces
.implements Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;
.implements Lorg/spongycastle/asn1/x509/X509ObjectIdentifiers;


# instance fields
.field private cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

.field private digest:Lorg/spongycastle/crypto/Digest;


# direct methods
.method public constructor <init>(Lorg/spongycastle/crypto/Digest;Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;)V
    .registers 3

    .prologue
    .line 37
    invoke-direct {p0}, Lorg/spongycastle/pqc/jcajce/provider/util/AsymmetricBlockCipher;-><init>()V

    .line 38
    iput-object p1, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->digest:Lorg/spongycastle/crypto/Digest;

    .line 39
    iput-object p2, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    .line 40
    return-void
.end method


# virtual methods
.method public getKeySize(Ljava/security/Key;)I
    .registers 4

    .prologue
    .line 109
    instance-of v0, p1, Ljava/security/PublicKey;

    if-eqz v0, :cond_13

    .line 111
    check-cast p1, Ljava/security/PublicKey;

    invoke-static {p1}, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McElieceKeysToParams;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/pqc/crypto/mceliece/McElieceKeyParameters;

    .line 120
    :goto_c
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    invoke-virtual {v1, v0}, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->getKeySize(Lorg/spongycastle/pqc/crypto/mceliece/McElieceKeyParameters;)I

    move-result v0

    return v0

    .line 115
    :cond_13
    check-cast p1, Ljava/security/PrivateKey;

    invoke-static {p1}, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McElieceKeysToParams;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    check-cast v0, Lorg/spongycastle/pqc/crypto/mceliece/McElieceKeyParameters;

    goto :goto_c
.end method

.method public getName()Ljava/lang/String;
    .registers 2

    .prologue
    .line 102
    const-string v0, "McEliecePKCS"

    return-object v0
.end method

.method protected initCipherDecrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 6

    .prologue
    .line 62
    check-cast p1, Ljava/security/PrivateKey;

    invoke-static {p1}, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McElieceKeysToParams;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    .line 64
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->digest:Lorg/spongycastle/crypto/Digest;

    invoke-interface {v1}, Lorg/spongycastle/crypto/Digest;->reset()V

    .line 65
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    const/4 v2, 0x0

    invoke-virtual {v1, v2, v0}, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 66
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    iget v0, v0, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->maxPlainTextSize:I

    iput v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->maxPlainTextSize:I

    .line 67
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    iget v0, v0, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->cipherTextSize:I

    iput v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipherTextSize:I

    .line 68
    return-void
.end method

.method protected initCipherEncrypt(Ljava/security/Key;Ljava/security/spec/AlgorithmParameterSpec;Ljava/security/SecureRandom;)V
    .registers 7

    .prologue
    .line 49
    check-cast p1, Ljava/security/PublicKey;

    invoke-static {p1}, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McElieceKeysToParams;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    .line 51
    new-instance v1, Lorg/spongycastle/crypto/params/ParametersWithRandom;

    invoke-direct {v1, v0, p3}, Lorg/spongycastle/crypto/params/ParametersWithRandom;-><init>(Lorg/spongycastle/crypto/CipherParameters;Ljava/security/SecureRandom;)V

    .line 52
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->digest:Lorg/spongycastle/crypto/Digest;

    invoke-interface {v0}, Lorg/spongycastle/crypto/Digest;->reset()V

    .line 53
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    const/4 v2, 0x1

    invoke-virtual {v0, v2, v1}, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->init(ZLorg/spongycastle/crypto/CipherParameters;)V

    .line 54
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    iget v0, v0, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->maxPlainTextSize:I

    iput v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->maxPlainTextSize:I

    .line 55
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    iget v0, v0, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->cipherTextSize:I

    iput v0, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipherTextSize:I

    .line 56
    return-void
.end method

.method protected messageDecrypt([B)[B
    .registers 4

    .prologue
    .line 88
    const/4 v0, 0x0

    .line 91
    :try_start_1
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    invoke-virtual {v1, p1}, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->messageDecrypt([B)[B
    :try_end_6
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_6} :catch_8

    move-result-object v0

    .line 97
    :goto_7
    return-object v0

    .line 95
    :catch_8
    move-exception v1

    invoke-virtual {v1}, Ljava/lang/Exception;->printStackTrace()V

    goto :goto_7
.end method

.method protected messageEncrypt([B)[B
    .registers 4

    .prologue
    .line 73
    const/4 v0, 0x0

    .line 76
    :try_start_1
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/mceliece/McEliecePKCSCipherSpi;->cipher:Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;

    invoke-virtual {v1, p1}, Lorg/spongycastle/pqc/crypto/mceliece/McEliecePKCSCipher;->messageEncrypt([B)[B
    :try_end_6
    .catch Ljava/lang/Exception; {:try_start_1 .. :try_end_6} :catch_8

    move-result-object v0

    .line 82
    :goto_7
    return-object v0

    .line 80
    :catch_8
    move-exception v1

    invoke-virtual {v1}, Ljava/lang/Exception;->printStackTrace()V

    goto :goto_7
.end method