HashUtils.smali

.class public final Lcom/avast/android/utils/crypto/HashUtils;
.super Ljava/lang/Object;


# static fields
.field private static final a:[C


# direct methods
.method static constructor <clinit>()V
    .registers 1

    const-string v0, "0123456789abcdef"

    invoke-virtual {v0}, Ljava/lang/String;->toCharArray()[C

    move-result-object v0

    sput-object v0, Lcom/avast/android/utils/crypto/HashUtils;->a:[C

    return-void
.end method

.method public static a(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;
    .registers 3
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/security/NoSuchAlgorithmException;,
            Ljava/io/UnsupportedEncodingException;
        }
    .end annotation

    invoke-virtual {p0, p2}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object p0

    invoke-static {p0, p1}, Lcom/avast/android/utils/crypto/HashUtils;->b([BLjava/lang/String;)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static b([BLjava/lang/String;)Ljava/lang/String;
    .registers 4
    .annotation system Ldalvik/annotation/Throws;
        value = {
            Ljava/security/NoSuchAlgorithmException;
        }
    .end annotation

    invoke-static {p1}, Ljava/security/MessageDigest;->getInstance(Ljava/lang/String;)Ljava/security/MessageDigest;

    move-result-object p1

    array-length v0, p0

    const/4 v1, 0x0

    invoke-virtual {p1, p0, v1, v0}, Ljava/security/MessageDigest;->update([BII)V

    invoke-virtual {p1}, Ljava/security/MessageDigest;->digest()[B

    move-result-object p0

    invoke-static {p0}, Lcom/avast/android/utils/crypto/HashUtils;->e([B)Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static c(Ljava/lang/String;)Ljava/lang/String;
    .registers 4

    :try_start_0
    const-string v0, "SHA1"

    const-string v1, "UTF-8"

    invoke-static {p0, v0, v1}, Lcom/avast/android/utils/crypto/HashUtils;->a(Ljava/lang/String;Ljava/lang/String;Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0
    :try_end_8
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_8} :catch_b
    .catch Ljava/io/UnsupportedEncodingException; {:try_start_0 .. :try_end_8} :catch_9

    return-object p0

    :catch_9
    move-exception p0

    goto :goto_c

    :catch_b
    move-exception p0

    :goto_c
    sget-object v0, Lcom/avast/android/utils/LH;->a:Lcom/avast/android/logging/Alf;

    const/4 v1, 0x0

    new-array v1, v1, [Ljava/lang/Object;

    const-string v2, "HashUtils.sha1AsHex() failed"

    invoke-virtual {v0, p0, v2, v1}, Lcom/avast/android/logging/Alf;->r(Ljava/lang/Throwable;Ljava/lang/String;[Ljava/lang/Object;)V

    const-string p0, ""

    return-object p0
.end method

.method public static d([B)Ljava/lang/String;
    .registers 4

    :try_start_0
    const-string v0, "SHA1"

    invoke-static {p0, v0}, Lcom/avast/android/utils/crypto/HashUtils;->b([BLjava/lang/String;)Ljava/lang/String;

    move-result-object p0
    :try_end_6
    .catch Ljava/security/NoSuchAlgorithmException; {:try_start_0 .. :try_end_6} :catch_7

    return-object p0

    :catch_7
    move-exception p0

    sget-object v0, Lcom/avast/android/utils/LH;->a:Lcom/avast/android/logging/Alf;

    const/4 v1, 0x0

    new-array v1, v1, [Ljava/lang/Object;

    const-string v2, "HashUtils.sha1AsHex() failed"

    invoke-virtual {v0, p0, v2, v1}, Lcom/avast/android/logging/Alf;->r(Ljava/lang/Throwable;Ljava/lang/String;[Ljava/lang/Object;)V

    const-string p0, ""

    return-object p0
.end method

.method public static e([B)Ljava/lang/String;
    .registers 7

    array-length v0, p0

    mul-int/lit8 v0, v0, 0x2

    new-array v0, v0, [C

    const/4 v1, 0x0

    :goto_6
    array-length v2, p0

    if-ge v1, v2, :cond_22

    aget-byte v2, p0, v1

    and-int/lit16 v2, v2, 0xff

    mul-int/lit8 v3, v1, 0x2

    sget-object v4, Lcom/avast/android/utils/crypto/HashUtils;->a:[C

    ushr-int/lit8 v5, v2, 0x4

    aget-char v5, v4, v5

    aput-char v5, v0, v3

    add-int/lit8 v3, v3, 0x1

    and-int/lit8 v2, v2, 0xf

    aget-char v2, v4, v2

    aput-char v2, v0, v3

    add-int/lit8 v1, v1, 0x1

    goto :goto_6

    :cond_22
    new-instance p0, Ljava/lang/String;

    invoke-direct {p0, v0}, Ljava/lang/String;-><init>([C)V

    return-object p0
.end method