This part caught my eye...
Code:
.class public Lcom/tmobile/simlock/TrustletProtocol;
.super Ljava/lang/Object;
# interfaces
.implements Lcom/tmobile/simlock/w;
# static fields
.field private static final END_TIME_SIZE_BYTES:I = 0x4
.field private static final EXPIRY_TIME_OFFSET_BYTES:I = 0x14c
.field private static final HMAC_SIZE_BYTES:I = 0x20
.field private static final IMEI_SIZE_BYTES:I = 0x10
.field private static final MAC_SIZE_BYTES:I = 0x20
.field private static final MILLS_PER_SECOND:I = 0x3e8
.field private static final RESPONSE_MESSAGE_LENGTH_OFFSET:I = 0x2
.field private static final SERVER_ERROR_MESSAGE_LENGTH_OFFSET:I = 0xc
.field private static final SERVER_ERROR_MESSAGE_OFFSET:I = 0x10
.field public static final SERVER_URL:Ljava/lang/String; = "https://unlock.t-mobile.com/unlock/unlock"
.field private static final SIGNATURE_SIZE_BYTES:I = 0x100
.field private static final SIMLOCK_SETTINGS_LENGTH_BYTES:I = 0x4
.field private static final SIMLOCK_SETTINGS_VERSION_MAJOR_OFFSET:I = 0x0
.field private static final SIMLOCK_SETTINGS_VERSION_MINOR_OFFSET:I = 0x2
.field private static final START_TIME_SIZE_BYTES:I = 0x8
.field private static final TAG:Ljava/lang/String; = null
.field private static final UNLOCK_REQUEST_FIXME:I = 0x4
.field private static final UNLOCK_REQUEST_PARTIAL:I = 0x3
.field private static final UNLOCK_REQUEST_PERMANENT:I = 0x2
.field private static final UNLOCK_REQUEST_RESERVED:I = 0x0
.field private static final UNLOCK_REQUEST_TEMPORARY:I = 0x1
.field private static final UNLOCK_SERVER_RESPONSE_TYPE:B = 0x28t
.field private static mSimLockJniLoaded:Z
# instance fields
.field private mHttp:Lcom/tmobile/simlock/n;
.field private mLockedUntil:J
.field private mRebootRequired:Z
.field private mUseAttestation:Z
.field private serverMessage:Ljava/lang/String;
# direct methods
.method static constructor <clinit>()V
.locals 2
const-class v0, Lcom/tmobile/simlock/TrustletProtocol;
invoke-virtual {v0}, Ljava/lang/Class;->getName()Ljava/lang/String;
move-result-object v0
sput-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const/4 v0, 0x0
sput-boolean v0, Lcom/tmobile/simlock/TrustletProtocol;->mSimLockJniLoaded:Z
:try_start_0
const-string v0, "simlockjni"
invoke-static {v0}, Ljava/lang/System;->loadLibrary(Ljava/lang/String;)V
const/4 v0, 0x1
sput-boolean v0, Lcom/tmobile/simlock/TrustletProtocol;->mSimLockJniLoaded:Z
:try_end_0
.catch Ljava/lang/UnsatisfiedLinkError; {:try_start_0 .. :try_end_0} :catch_0
:goto_0
return-void
:catch_0
move-exception v0
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const-string v1, "Cannot load simlockjni library!"
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
goto :goto_0
.end method
.method public constructor <init>(Lcom/tmobile/simlock/n;Landroid/content/SharedPreferences;)V
.locals 1
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
const/4 v0, 0x0
iput-boolean v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mRebootRequired:Z
const/4 v0, 0x1
iput-boolean v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mUseAttestation:Z
iput-object p1, p0, Lcom/tmobile/simlock/TrustletProtocol;->mHttp:Lcom/tmobile/simlock/n;
sget-boolean v0, Lcom/tmobile/simlock/TrustletProtocol;->mSimLockJniLoaded:Z
if-nez v0, :cond_0
new-instance v0, Ljava/lang/ExceptionInInitializerError;
invoke-direct {v0}, Ljava/lang/ExceptionInInitializerError;-><init>()V
throw v0
:cond_0
return-void
.end method
.method private static native createAttestationRequest([B)[B
.end method
.method private static native createRegisterKeyRequest([B)[B
.end method
.method private static native createUnlockRequest([BI)[B
.end method
.method private static native processResponse([B[B)[B
.end method
.method private static native requestSLBReset()V
.end method
.method private runProtocol([B)V
.locals 12
const/4 v11, 0x1
const/4 v10, 0x0
new-array v1, v11, [B
aput-byte v10, v1, v10
:goto_0
if-eqz p1, :cond_5
iget-object v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mHttp:Lcom/tmobile/simlock/n;
invoke-virtual {v0, p1}, Lcom/tmobile/simlock/n;->a([B)[B
move-result-object v2
aget-byte v0, v2, v10
const/16 v3, 0x28
if-ne v0, v3, :cond_0
invoke-static {v2}, Ljava/nio/ByteBuffer;->wrap([B)Ljava/nio/ByteBuffer;
move-result-object v0
sget-object v3, Ljava/nio/ByteOrder;->BIG_ENDIAN:Ljava/nio/ByteOrder;
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->order(Ljava/nio/ByteOrder;)Ljava/nio/ByteBuffer;
const/4 v3, 0x2
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->getShort(I)S
move-result v3
sget-object v4, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v5, Ljava/lang/StringBuilder;
invoke-direct {v5}, Ljava/lang/StringBuilder;-><init>()V
const-string v6, "lenOfMessage: "
invoke-virtual {v5, v6}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v5
invoke-virtual {v5, v3}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
move-result-object v5
invoke-virtual {v5}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v5
invoke-static {v4, v5}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
const/16 v4, 0xc
invoke-virtual {v0, v4}, Ljava/nio/ByteBuffer;->getInt(I)I
move-result v4
sget-object v5, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v6, Ljava/lang/StringBuilder;
invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V
const-string v7, "lenOfServerError: "
invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v6
invoke-virtual {v6, v4}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
move-result-object v6
invoke-virtual {v6}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v6
invoke-static {v5, v6}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
add-int/lit8 v4, v4, 0x10
add-int/lit8 v4, v4, 0x4
add-int/lit8 v4, v4, 0x2
invoke-virtual {v0, v4}, Ljava/nio/ByteBuffer;->getShort(I)S
move-result v4
sget-object v5, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v6, Ljava/lang/StringBuilder;
invoke-direct {v6}, Ljava/lang/StringBuilder;-><init>()V
const-string v7, "minVersion: "
invoke-virtual {v6, v7}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v6
invoke-virtual {v6, v4}, Ljava/lang/StringBuilder;->append(I)Ljava/lang/StringBuilder;
move-result-object v6
invoke-virtual {v6}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v6
invoke-static {v5, v6}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
if-nez v4, :cond_4
add-int/lit16 v3, v3, -0x14c
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
:goto_1
invoke-virtual {v0}, Ljava/nio/ByteBuffer;->getLong()J
move-result-wide v4
invoke-virtual {v0}, Ljava/nio/ByteBuffer;->getInt()I
move-result v0
int-to-long v6, v0
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v3, Ljava/lang/StringBuilder;
invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V
const-string v8, "Extracted unlock ending time (milliseconds): "
invoke-virtual {v3, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v3
invoke-virtual {v3, v4, v5}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;
move-result-object v3
const-string v8, " + "
invoke-virtual {v3, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v3
invoke-virtual {v3, v6, v7}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;
move-result-object v3
const-string v8, " seconds"
invoke-virtual {v3, v8}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v3
invoke-virtual {v3}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v3
invoke-static {v0, v3}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
const-wide/16 v8, 0x3e8
mul-long/2addr v6, v8
add-long/2addr v4, v6
iput-wide v4, p0, Lcom/tmobile/simlock/TrustletProtocol;->mLockedUntil:J
:cond_0
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const-string v3, "runProtocol: processing the response..."
invoke-static {v0, v3}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
invoke-static {v2, v1}, Lcom/tmobile/simlock/TrustletProtocol;->processResponse([B[B)[B
move-result-object v0
if-nez v0, :cond_1
sget-object v3, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const-string v4, "runProtocol: processResponse returned null!"
invoke-static {v3, v4}, Lcom/tmobile/simlock/s;->b(Ljava/lang/String;Ljava/lang/String;)V
:cond_1
aget-byte v2, v2, v10
const/16 v3, 0x3c
if-ne v2, v3, :cond_2
if-eqz v0, :cond_2
new-instance v2, Ljava/lang/String;
const-string v3, "UTF-8"
invoke-static {v3}, Ljava/nio/charset/Charset;->forName(Ljava/lang/String;)Ljava/nio/charset/Charset;
move-result-object v3
invoke-direct {v2, v0, v3}, Ljava/lang/String;-><init>([BLjava/nio/charset/Charset;)V
iput-object v2, p0, Lcom/tmobile/simlock/TrustletProtocol;->serverMessage:Ljava/lang/String;
const/4 v0, 0x0
:cond_2
sget-object v2, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v3, Ljava/lang/StringBuilder;
invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V
const-string v4, "Server message: "
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v3
iget-object v4, p0, Lcom/tmobile/simlock/TrustletProtocol;->serverMessage:Ljava/lang/String;
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v3
invoke-virtual {v3}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v3
invoke-static {v2, v3}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
aget-byte v2, v1, v10
if-eqz v2, :cond_3
iput-boolean v11, p0, Lcom/tmobile/simlock/TrustletProtocol;->mRebootRequired:Z
:cond_3
sget-object v2, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v3, Ljava/lang/StringBuilder;
invoke-direct {v3}, Ljava/lang/StringBuilder;-><init>()V
const-string v4, "Need to reboot? "
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v3
iget-boolean v4, p0, Lcom/tmobile/simlock/TrustletProtocol;->mRebootRequired:Z
invoke-virtual {v3, v4}, Ljava/lang/StringBuilder;->append(Z)Ljava/lang/StringBuilder;
move-result-object v3
invoke-virtual {v3}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v3
invoke-static {v2, v3}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
move-object p1, v0
goto/16 :goto_0
:cond_4
add-int/lit16 v3, v3, -0x14c
add-int/lit8 v3, v3, -0x10
invoke-virtual {v0, v3}, Ljava/nio/ByteBuffer;->position(I)Ljava/nio/Buffer;
goto/16 :goto_1
:cond_5
return-void
.end method
.method private unlock(ILjava/lang/String;)V
.locals 3
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "onUnlock called, with unlock type of "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1, p1}, 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-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "Using IMSI: "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1, p2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
if-eqz p2, :cond_0
invoke-virtual {p2}, Ljava/lang/String;->getBytes()[B
move-result-object v0
:goto_0
invoke-static {v0, p1}, Lcom/tmobile/simlock/TrustletProtocol;->createUnlockRequest([BI)[B
move-result-object v0
invoke-direct {p0, v0}, Lcom/tmobile/simlock/TrustletProtocol;->runProtocol([B)V
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const-string v1, "Succesfully ran the unlock protocol"
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
return-void
:cond_0
const/4 v0, 0x0
goto :goto_0
.end method
# virtual methods
.method public getServerMessage()Ljava/lang/String;
.locals 1
iget-object v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->serverMessage:Ljava/lang/String;
return-object v0
.end method
.method public isRebootRequired()Z
.locals 1
iget-boolean v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mRebootRequired:Z
return v0
.end method
.method public partialUnlock(Ljava/lang/String;)V
.locals 1
const/4 v0, 0x3
invoke-direct {p0, v0, p1}, Lcom/tmobile/simlock/TrustletProtocol;->unlock(ILjava/lang/String;)V
return-void
.end method
.method public permanentUnlock(Ljava/lang/String;)V
.locals 1
const/4 v0, 0x2
invoke-direct {p0, v0, p1}, Lcom/tmobile/simlock/TrustletProtocol;->unlock(ILjava/lang/String;)V
return-void
.end method
.method public registerKey(Ljava/lang/String;)V
.locals 3
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "Using IMEI: "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1, p1}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
iget-boolean v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mUseAttestation:Z
if-eqz v0, :cond_0
if-eqz p1, :cond_1
invoke-virtual {p1}, Ljava/lang/String;->getBytes()[B
move-result-object v0
:goto_0
invoke-static {v0}, Lcom/tmobile/simlock/TrustletProtocol;->createAttestationRequest([B)[B
move-result-object v0
invoke-direct {p0, v0}, Lcom/tmobile/simlock/TrustletProtocol;->runProtocol([B)V
:cond_0
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const-string v1, "Succesfully registered the key"
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
return-void
:cond_1
const/4 v0, 0x0
goto :goto_0
.end method
.method public resetSLB()V
.locals 2
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
const-string v1, "SLB reset not available"
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
return-void
.end method
.method public temporaryUnlock(Ljava/lang/String;)J
.locals 4
const-wide/16 v0, 0x0
iput-wide v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mLockedUntil:J
const/4 v0, 0x1
invoke-direct {p0, v0, p1}, Lcom/tmobile/simlock/TrustletProtocol;->unlock(ILjava/lang/String;)V
sget-object v0, Lcom/tmobile/simlock/TrustletProtocol;->TAG:Ljava/lang/String;
new-instance v1, Ljava/lang/StringBuilder;
invoke-direct {v1}, Ljava/lang/StringBuilder;-><init>()V
const-string v2, "temporaryUnlock: until: "
invoke-virtual {v1, v2}, Ljava/lang/StringBuilder;->append(Ljava/lang/String;)Ljava/lang/StringBuilder;
move-result-object v1
iget-wide v2, p0, Lcom/tmobile/simlock/TrustletProtocol;->mLockedUntil:J
invoke-virtual {v1, v2, v3}, Ljava/lang/StringBuilder;->append(J)Ljava/lang/StringBuilder;
move-result-object v1
invoke-virtual {v1}, Ljava/lang/StringBuilder;->toString()Ljava/lang/String;
move-result-object v1
invoke-static {v0, v1}, Lcom/tmobile/simlock/s;->a(Ljava/lang/String;Ljava/lang/String;)V
iget-wide v0, p0, Lcom/tmobile/simlock/TrustletProtocol;->mLockedUntil:J
return-wide v0
.end method