SHA1$BasePBKDF2WithHmacSHA1.smali

.class public Lorg/spongycastle/jcajce/provider/digest/SHA1$BasePBKDF2WithHmacSHA1;
.super Lorg/spongycastle/jcajce/provider/symmetric/util/BaseSecretKeyFactory;
.source "SHA1.java"


# instance fields
.field private scheme:I


# direct methods
.method public constructor <init>(Ljava/lang/String;I)V
    .registers 4

    .prologue
    .line 103
    sget-object v0, Lorg/spongycastle/asn1/pkcs/PKCSObjectIdentifiers;->id_PBKDF2:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    invoke-direct {p0, p1, v0}, Lorg/spongycastle/jcajce/provider/symmetric/util/BaseSecretKeyFactory;-><init>(Ljava/lang/String;Lorg/spongycastle/asn1/ASN1ObjectIdentifier;)V

    .line 105
    iput p2, p0, Lorg/spongycastle/jcajce/provider/digest/SHA1$BasePBKDF2WithHmacSHA1;->scheme:I

    .line 106
    return-void
.end method


# virtual methods
.method protected engineGenerateSecret(Ljava/security/spec/KeySpec;)Ljavax/crypto/SecretKey;
    .registers 11

    .prologue
    const/4 v4, 0x1

    .line 112
    instance-of v0, p1, Ljavax/crypto/spec/PBEKeySpec;

    if-eqz v0, :cond_7a

    move-object v7, p1

    .line 114
    check-cast v7, Ljavax/crypto/spec/PBEKeySpec;

    .line 116
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getSalt()[B

    move-result-object v0

    if-nez v0, :cond_16

    .line 118
    new-instance v0, Ljava/security/spec/InvalidKeySpecException;

    const-string v1, "missing required salt"

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

    throw v0

    .line 121
    :cond_16
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getIterationCount()I

    move-result v0

    if-gtz v0, :cond_35

    .line 123
    new-instance v0, Ljava/security/spec/InvalidKeySpecException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "positive iteration count required: "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    .line 124
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getIterationCount()I

    move-result v2

    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

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

    throw v0

    .line 127
    :cond_35
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getKeyLength()I

    move-result v0

    if-gtz v0, :cond_54

    .line 129
    new-instance v0, Ljava/security/spec/InvalidKeySpecException;

    new-instance v1, Ljava/lang/StringBuilder;

    const-string v2, "positive key length required: "

    invoke-direct {v1, v2}, Ljava/lang/StringBuilder;-><init>(Ljava/lang/String;)V

    .line 130
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getKeyLength()I

    move-result v2

    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

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

    throw v0

    .line 133
    :cond_54
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getPassword()[C

    move-result-object v0

    array-length v0, v0

    if-nez v0, :cond_63

    .line 135
    new-instance v0, Ljava/lang/IllegalArgumentException;

    const-string v1, "password empty"

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

    throw v0

    .line 139
    :cond_63
    invoke-virtual {v7}, Ljavax/crypto/spec/PBEKeySpec;->getKeyLength()I

    move-result v5

    .line 141
    iget v0, p0, Lorg/spongycastle/jcajce/provider/digest/SHA1$BasePBKDF2WithHmacSHA1;->scheme:I

    invoke-static {v7, v0, v4, v5}, Lorg/spongycastle/jcajce/provider/symmetric/util/PBE$Util;->makePBEMacParameters(Ljavax/crypto/spec/PBEKeySpec;III)Lorg/spongycastle/crypto/CipherParameters;

    move-result-object v8

    .line 143
    new-instance v0, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;

    iget-object v1, p0, Lorg/spongycastle/jcajce/provider/digest/SHA1$BasePBKDF2WithHmacSHA1;->algName:Ljava/lang/String;

    iget-object v2, p0, Lorg/spongycastle/jcajce/provider/digest/SHA1$BasePBKDF2WithHmacSHA1;->algOid:Lorg/spongycastle/asn1/ASN1ObjectIdentifier;

    iget v3, p0, Lorg/spongycastle/jcajce/provider/digest/SHA1$BasePBKDF2WithHmacSHA1;->scheme:I

    const/4 v6, -0x1

    invoke-direct/range {v0 .. v8}, Lorg/spongycastle/jcajce/provider/symmetric/util/BCPBEKey;-><init>(Ljava/lang/String;Lorg/spongycastle/asn1/ASN1ObjectIdentifier;IIIILjavax/crypto/spec/PBEKeySpec;Lorg/spongycastle/crypto/CipherParameters;)V

    return-object v0

    .line 146
    :cond_7a
    new-instance v0, Ljava/security/spec/InvalidKeySpecException;

    const-string v1, "Invalid KeySpec"

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

    throw v0
.end method