SignatureSpi.smali

.class public Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;
.super Ljava/security/SignatureSpi;
.source "SignatureSpi.java"


# instance fields
.field private digest:Lorg/spongycastle/crypto/Digest;

.field private random:Ljava/security/SecureRandom;

.field private signer:Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;


# direct methods
.method protected constructor <init>(Lorg/spongycastle/crypto/Digest;Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;)V
    .registers 3

    .prologue
    .line 30
    invoke-direct {p0}, Ljava/security/SignatureSpi;-><init>()V

    .line 31
    iput-object p1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

    .line 32
    iput-object p2, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->signer:Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;

    .line 33
    return-void
.end method


# virtual methods
.method protected engineGetParameter(Ljava/lang/String;)Ljava/lang/Object;
    .registers 4

    .prologue
    .line 125
    new-instance v0, Ljava/lang/UnsupportedOperationException;

    const-string v1, "engineSetParameter unsupported"

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

    throw v0
.end method

.method protected engineInitSign(Ljava/security/PrivateKey;)V
    .registers 5

    .prologue
    .line 56
    invoke-static {p1}, Lorg/spongycastle/pqc/jcajce/provider/rainbow/RainbowKeysToParams;->generatePrivateKeyParameter(Ljava/security/PrivateKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v1

    .line 58
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->random:Ljava/security/SecureRandom;

    if-eqz v0, :cond_1b

    .line 60
    new-instance v0, Lorg/spongycastle/crypto/params/ParametersWithRandom;

    iget-object v2, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->random:Ljava/security/SecureRandom;

    invoke-direct {v0, v1, v2}, Lorg/spongycastle/crypto/params/ParametersWithRandom;-><init>(Lorg/spongycastle/crypto/CipherParameters;Ljava/security/SecureRandom;)V

    .line 63
    :goto_f
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

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

    .line 64
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->signer:Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;

    const/4 v2, 0x1

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

    .line 66
    return-void

    :cond_1b
    move-object v0, v1

    goto :goto_f
.end method

.method protected engineInitSign(Ljava/security/PrivateKey;Ljava/security/SecureRandom;)V
    .registers 3

    .prologue
    .line 48
    iput-object p2, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->random:Ljava/security/SecureRandom;

    .line 49
    invoke-virtual {p0, p1}, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->engineInitSign(Ljava/security/PrivateKey;)V

    .line 50
    return-void
.end method

.method protected engineInitVerify(Ljava/security/PublicKey;)V
    .registers 5

    .prologue
    .line 39
    invoke-static {p1}, Lorg/spongycastle/pqc/jcajce/provider/rainbow/RainbowKeysToParams;->generatePublicKeyParameter(Ljava/security/PublicKey;)Lorg/spongycastle/crypto/params/AsymmetricKeyParameter;

    move-result-object v0

    .line 41
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

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

    .line 42
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->signer:Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;

    const/4 v2, 0x0

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

    .line 43
    return-void
.end method

.method protected engineSetParameter(Ljava/lang/String;Ljava/lang/Object;)V
    .registers 5

    .prologue
    .line 117
    new-instance v0, Ljava/lang/UnsupportedOperationException;

    const-string v1, "engineSetParameter unsupported"

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

    throw v0
.end method

.method protected engineSetParameter(Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 4

    .prologue
    .line 107
    new-instance v0, Ljava/lang/UnsupportedOperationException;

    const-string v1, "engineSetParameter unsupported"

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

    throw v0
.end method

.method protected engineSign()[B
    .registers 4

    .prologue
    .line 83
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

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

    move-result v0

    new-array v0, v0, [B

    .line 84
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

    const/4 v2, 0x0

    invoke-interface {v1, v0, v2}, Lorg/spongycastle/crypto/Digest;->doFinal([BI)I

    .line 87
    :try_start_e
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->signer:Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;

    invoke-virtual {v1, v0}, Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;->generateSignature([B)[B
    :try_end_13
    .catch Ljava/lang/Exception; {:try_start_e .. :try_end_13} :catch_15

    move-result-object v0

    .line 89
    return-object v0

    .line 91
    :catch_15
    move-exception v0

    .line 93
    new-instance v1, Ljava/security/SignatureException;

    invoke-virtual {v0}, Ljava/lang/Exception;->toString()Ljava/lang/String;

    move-result-object v0

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

    throw v1
.end method

.method protected engineUpdate(B)V
    .registers 3

    .prologue
    .line 71
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

    invoke-interface {v0, p1}, Lorg/spongycastle/crypto/Digest;->update(B)V

    .line 72
    return-void
.end method

.method protected engineUpdate([BII)V
    .registers 5

    .prologue
    .line 77
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

    invoke-interface {v0, p1, p2, p3}, Lorg/spongycastle/crypto/Digest;->update([BII)V

    .line 78
    return-void
.end method

.method protected engineVerify([B)Z
    .registers 5

    .prologue
    .line 100
    iget-object v0, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

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

    move-result v0

    new-array v0, v0, [B

    .line 101
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->digest:Lorg/spongycastle/crypto/Digest;

    const/4 v2, 0x0

    invoke-interface {v1, v0, v2}, Lorg/spongycastle/crypto/Digest;->doFinal([BI)I

    .line 102
    iget-object v1, p0, Lorg/spongycastle/pqc/jcajce/provider/rainbow/SignatureSpi;->signer:Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;

    invoke-virtual {v1, v0, p1}, Lorg/spongycastle/pqc/crypto/rainbow/RainbowSigner;->verifySignature([B[B)Z

    move-result v0

    return v0
.end method