145 lines
4.3 KiB
Smali
145 lines
4.3 KiB
Smali
.class public final Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;
|
|
.super Ljava/lang/Object;
|
|
.source "AesCipherDataSource.java"
|
|
|
|
# interfaces
|
|
.implements Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
|
|
# instance fields
|
|
.field private cipher:Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;
|
|
|
|
.field private final secretKey:[B
|
|
|
|
.field private final upstream:Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
|
|
# direct methods
|
|
.method public constructor <init>([BLcom/google/android/exoplayer2/upstream/DataSource;)V
|
|
.locals 0
|
|
|
|
.line 1
|
|
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
|
|
|
|
.line 2
|
|
iput-object p2, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->upstream:Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
.line 3
|
|
iput-object p1, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->secretKey:[B
|
|
|
|
return-void
|
|
.end method
|
|
|
|
|
|
# virtual methods
|
|
.method public close()V
|
|
.locals 1
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
const/4 v0, 0x0
|
|
|
|
.line 1
|
|
iput-object v0, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->cipher:Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;
|
|
|
|
.line 2
|
|
iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->upstream:Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
invoke-interface {v0}, Lcom/google/android/exoplayer2/upstream/DataSource;->close()V
|
|
|
|
return-void
|
|
.end method
|
|
|
|
.method public getUri()Landroid/net/Uri;
|
|
.locals 1
|
|
|
|
.line 1
|
|
iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->upstream:Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
invoke-interface {v0}, Lcom/google/android/exoplayer2/upstream/DataSource;->getUri()Landroid/net/Uri;
|
|
|
|
move-result-object v0
|
|
|
|
return-object v0
|
|
.end method
|
|
|
|
.method public open(Lcom/google/android/exoplayer2/upstream/DataSpec;)J
|
|
.locals 10
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
.line 1
|
|
iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->upstream:Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
invoke-interface {v0, p1}, Lcom/google/android/exoplayer2/upstream/DataSource;->open(Lcom/google/android/exoplayer2/upstream/DataSpec;)J
|
|
|
|
move-result-wide v0
|
|
|
|
.line 2
|
|
iget-object v2, p1, Lcom/google/android/exoplayer2/upstream/DataSpec;->key:Ljava/lang/String;
|
|
|
|
invoke-static {v2}, Lcom/google/android/exoplayer2/upstream/crypto/CryptoUtil;->getFNV64Hash(Ljava/lang/String;)J
|
|
|
|
move-result-wide v6
|
|
|
|
.line 3
|
|
new-instance v2, Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;
|
|
|
|
iget-object v5, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->secretKey:[B
|
|
|
|
iget-wide v8, p1, Lcom/google/android/exoplayer2/upstream/DataSpec;->absoluteStreamPosition:J
|
|
|
|
const/4 v4, 0x2
|
|
|
|
move-object v3, v2
|
|
|
|
invoke-direct/range {v3 .. v9}, Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;-><init>(I[BJJ)V
|
|
|
|
iput-object v2, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->cipher:Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;
|
|
|
|
return-wide v0
|
|
.end method
|
|
|
|
.method public read([BII)I
|
|
.locals 1
|
|
.annotation system Ldalvik/annotation/Throws;
|
|
value = {
|
|
Ljava/io/IOException;
|
|
}
|
|
.end annotation
|
|
|
|
if-nez p3, :cond_0
|
|
|
|
const/4 p1, 0x0
|
|
|
|
return p1
|
|
|
|
.line 1
|
|
:cond_0
|
|
iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->upstream:Lcom/google/android/exoplayer2/upstream/DataSource;
|
|
|
|
invoke-interface {v0, p1, p2, p3}, Lcom/google/android/exoplayer2/upstream/DataSource;->read([BII)I
|
|
|
|
move-result p3
|
|
|
|
const/4 v0, -0x1
|
|
|
|
if-ne p3, v0, :cond_1
|
|
|
|
return v0
|
|
|
|
.line 2
|
|
:cond_1
|
|
iget-object v0, p0, Lcom/google/android/exoplayer2/upstream/crypto/AesCipherDataSource;->cipher:Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;
|
|
|
|
invoke-virtual {v0, p1, p2, p3}, Lcom/google/android/exoplayer2/upstream/crypto/AesFlushingCipher;->updateInPlace([BII)V
|
|
|
|
return p3
|
|
.end method
|