IvParameters.smali

.class public Lorg/conscrypt/IvParameters;
.super Ljava/security/AlgorithmParametersSpi;
.source ""


# annotations
.annotation system Ldalvik/annotation/MemberClasses;
    value = {
        Lorg/conscrypt/IvParameters$ChaCha20;,
        Lorg/conscrypt/IvParameters$DESEDE;,
        Lorg/conscrypt/IvParameters$AES;
    }
.end annotation


# instance fields
.field private iv:[B


# direct methods
.method public constructor <init>()V
    .registers 1

    invoke-direct {p0}, Ljava/security/AlgorithmParametersSpi;-><init>()V

    return-void
.end method


# virtual methods
.method protected engineGetEncoded()[B
    .registers 4

    const-wide/16 v0, 0x0

    :try_start_2
    invoke-static {}, Lorg/conscrypt/NativeCrypto;->asn1_write_init()J

    move-result-wide v0

    iget-object v2, p0, Lorg/conscrypt/IvParameters;->iv:[B

    invoke-static {v0, v1, v2}, Lorg/conscrypt/NativeCrypto;->asn1_write_octetstring(J[B)V

    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_write_finish(J)[B

    move-result-object v2
    :try_end_f
    .catch Ljava/io/IOException; {:try_start_2 .. :try_end_f} :catch_15
    .catchall {:try_start_2 .. :try_end_f} :catchall_13

    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_write_free(J)V

    return-object v2

    :catchall_13
    move-exception v2

    goto :goto_1a

    :catch_15
    move-exception v2

    :try_start_16
    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_write_cleanup(J)V

    throw v2
    :try_end_1a
    .catchall {:try_start_16 .. :try_end_1a} :catchall_13

    :goto_1a
    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_write_free(J)V

    throw v2
.end method

.method protected engineGetEncoded(Ljava/lang/String;)[B
    .registers 5

    if-eqz p1, :cond_33

    const-string v0, "ASN.1"

    invoke-virtual {p1, v0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_b

    goto :goto_33

    :cond_b
    const-string v0, "RAW"

    invoke-virtual {p1, v0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_1c

    iget-object p1, p0, Lorg/conscrypt/IvParameters;->iv:[B

    invoke-virtual {p1}, [B->clone()Ljava/lang/Object;

    move-result-object p1

    check-cast p1, [B

    return-object p1

    :cond_1c
    new-instance v0, Ljava/io/IOException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Unsupported format: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw v0

    :cond_33
    :goto_33
    invoke-virtual {p0}, Lorg/conscrypt/IvParameters;->engineGetEncoded()[B

    move-result-object p1

    return-object p1
.end method

.method protected engineGetParameterSpec(Ljava/lang/Class;)Ljava/security/spec/AlgorithmParameterSpec;
    .registers 5
    .annotation system Ldalvik/annotation/Signature;
        value = {
            "<T::",
            "Ljava/security/spec/AlgorithmParameterSpec;",
            ">(",
            "Ljava/lang/Class<",
            "TT;>;)TT;"
        }
    .end annotation

    const-class v0, Ljavax/crypto/spec/IvParameterSpec;

    if-ne p1, v0, :cond_c

    new-instance p1, Ljavax/crypto/spec/IvParameterSpec;

    iget-object v0, p0, Lorg/conscrypt/IvParameters;->iv:[B

    invoke-direct {p1, v0}, Ljavax/crypto/spec/IvParameterSpec;-><init>([B)V

    return-object p1

    :cond_c
    new-instance v0, Ljava/security/spec/InvalidParameterSpecException;

    new-instance v1, Ljava/lang/StringBuilder;

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

    const-string v2, "Incompatible AlgorithmParametersSpec class: "

    invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/Object;)Ljava/lang/StringBuilder;

    invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;

    move-result-object p1

    invoke-direct {v0, p1}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw v0
.end method

.method protected engineInit(Ljava/security/spec/AlgorithmParameterSpec;)V
    .registers 3

    instance-of v0, p1, Ljavax/crypto/spec/IvParameterSpec;

    if-eqz v0, :cond_13

    check-cast p1, Ljavax/crypto/spec/IvParameterSpec;

    invoke-virtual {p1}, Ljavax/crypto/spec/IvParameterSpec;->getIV()[B

    move-result-object p1

    invoke-virtual {p1}, [B->clone()Ljava/lang/Object;

    move-result-object p1

    check-cast p1, [B

    iput-object p1, p0, Lorg/conscrypt/IvParameters;->iv:[B

    return-void

    :cond_13
    new-instance p1, Ljava/security/spec/InvalidParameterSpecException;

    const-string v0, "Only IvParameterSpec is supported"

    invoke-direct {p1, v0}, Ljava/security/spec/InvalidParameterSpecException;-><init>(Ljava/lang/String;)V

    throw p1
.end method

.method protected engineInit([B)V
    .registers 5

    :try_start_0
    invoke-static {p1}, Lorg/conscrypt/NativeCrypto;->asn1_read_init([B)J

    move-result-wide v0
    :try_end_4
    .catchall {:try_start_0 .. :try_end_4} :catchall_1e

    :try_start_4
    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_read_octetstring(J)[B

    move-result-object p1

    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_read_is_empty(J)Z

    move-result v2

    if-eqz v2, :cond_14

    iput-object p1, p0, Lorg/conscrypt/IvParameters;->iv:[B
    :try_end_10
    .catchall {:try_start_4 .. :try_end_10} :catchall_1c

    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_read_free(J)V

    return-void

    :cond_14
    :try_start_14
    new-instance p1, Ljava/io/IOException;

    const-string v2, "Error reading ASN.1 encoding"

    invoke-direct {p1, v2}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw p1
    :try_end_1c
    .catchall {:try_start_14 .. :try_end_1c} :catchall_1c

    :catchall_1c
    move-exception p1

    goto :goto_21

    :catchall_1e
    move-exception p1

    const-wide/16 v0, 0x0

    :goto_21
    invoke-static {v0, v1}, Lorg/conscrypt/NativeCrypto;->asn1_read_free(J)V

    throw p1
.end method

.method protected engineInit([BLjava/lang/String;)V
    .registers 5

    if-eqz p2, :cond_33

    const-string v0, "ASN.1"

    invoke-virtual {p2, v0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_b

    goto :goto_33

    :cond_b
    const-string v0, "RAW"

    invoke-virtual {p2, v0}, Ljava/lang/String;->equals(Ljava/lang/Object;)Z

    move-result v0

    if-eqz v0, :cond_1c

    invoke-virtual {p1}, [B->clone()Ljava/lang/Object;

    move-result-object p1

    check-cast p1, [B

    iput-object p1, p0, Lorg/conscrypt/IvParameters;->iv:[B

    goto :goto_36

    :cond_1c
    new-instance p1, Ljava/io/IOException;

    new-instance v0, Ljava/lang/StringBuilder;

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

    const-string v1, "Unsupported format: "

    invoke-virtual {v0, v1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

    invoke-virtual {v0, p2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;

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

    move-result-object p2

    invoke-direct {p1, p2}, Ljava/io/IOException;-><init>(Ljava/lang/String;)V

    throw p1

    :cond_33
    :goto_33
    invoke-virtual {p0, p1}, Lorg/conscrypt/IvParameters;->engineInit([B)V

    :goto_36
    return-void
.end method

.method protected engineToString()Ljava/lang/String;
    .registers 2

    const-string v0, "Conscrypt IV AlgorithmParameters"

    return-object v0
.end method