.class abstract Lcom/amazonaws/util/AbstractBase32Codec; .super Ljava/lang/Object; .source "AbstractBase32Codec.java" # interfaces .implements Lcom/amazonaws/util/Codec; # static fields .field private static final BITS_3:I = 0x3 .field private static final BITS_4:I = 0x4 .field private static final BITS_5:I = 0x5 .field private static final BIT_MULTIPLIER:I = 0x8 .field private static final MASK_2BITS:I = 0x3 .field private static final MASK_3BITS:I = 0x7 .field private static final MASK_4BITS:I = 0xf .field private static final MASK_5BITS:I = 0x1f .field private static final PAD:B = 0x3dt # instance fields .field private final alpahbets:[B # direct methods .method public constructor ([B)V .locals 0 .line 1 invoke-direct {p0}, Ljava/lang/Object;->()V .line 2 iput-object p1, p0, Lcom/amazonaws/util/AbstractBase32Codec;->alpahbets:[B return-void .end method .method private final decode1to4bytes(I[BI[BI)V .locals 9 add-int/lit8 v0, p5, 0x1 add-int/lit8 v1, p3, 0x1 .line 1 aget-byte p3, p2, p3 .line 2 invoke-virtual {p0, p3}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result p3 const/4 v2, 0x3 shl-int/2addr p3, v2 add-int/lit8 v3, v1, 0x1 aget-byte v1, p2, v1 .line 3 invoke-virtual {p0, v1}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v1 ushr-int/lit8 v4, v1, 0x2 const/4 v5, 0x7 and-int/2addr v4, v5 or-int/2addr p3, v4 int-to-byte p3, p3 aput-byte p3, p4, p5 const/4 p3, 0x1 if-ne p1, p3, :cond_0 .line 4 invoke-static {v1, v2}, Lcom/amazonaws/util/CodecUtils;->sanityCheckLastPos(II)V return-void :cond_0 add-int/lit8 p5, v0, 0x1 and-int/2addr v1, v2 shl-int/lit8 v1, v1, 0x6 add-int/lit8 v4, v3, 0x1 .line 5 aget-byte v3, p2, v3 .line 6 invoke-virtual {p0, v3}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v3 shl-int/2addr v3, p3 or-int/2addr v1, v3 add-int/lit8 v3, v4, 0x1 aget-byte v4, p2, v4 .line 7 invoke-virtual {p0, v4}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v4 ushr-int/lit8 v6, v4, 0x4 and-int/2addr v6, p3 or-int/2addr v1, v6 int-to-byte v1, v1 aput-byte v1, p4, v0 const/16 v0, 0xf const/4 v1, 0x2 if-ne p1, v1, :cond_1 .line 8 invoke-static {v4, v0}, Lcom/amazonaws/util/CodecUtils;->sanityCheckLastPos(II)V return-void :cond_1 add-int/lit8 v6, p5, 0x1 and-int/2addr v4, v0 shl-int/lit8 v4, v4, 0x4 add-int/lit8 v7, v3, 0x1 .line 9 aget-byte v3, p2, v3 .line 10 invoke-virtual {p0, v3}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v3 ushr-int/lit8 v8, v3, 0x1 and-int/2addr v0, v8 or-int/2addr v0, v4 int-to-byte v0, v0 aput-byte v0, p4, p5 if-ne p1, v2, :cond_2 .line 11 invoke-static {v3, p3}, Lcom/amazonaws/util/CodecUtils;->sanityCheckLastPos(II)V return-void :cond_2 and-int/lit8 p1, v3, 0x1 shl-int/2addr p1, v5 add-int/lit8 p3, v7, 0x1 .line 12 aget-byte p5, p2, v7 .line 13 invoke-virtual {p0, p5}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result p5 shl-int/2addr p5, v1 or-int/2addr p1, p5 aget-byte p2, p2, p3 .line 14 invoke-virtual {p0, p2}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result p2 ushr-int/lit8 p3, p2, 0x3 and-int/2addr p3, v2 or-int/2addr p1, p3 int-to-byte p1, p1 aput-byte p1, p4, v6 .line 15 invoke-static {p2, v5}, Lcom/amazonaws/util/CodecUtils;->sanityCheckLastPos(II)V return-void .end method .method private final decode5bytes([BI[BI)V .locals 4 add-int/lit8 v0, p4, 0x1 add-int/lit8 v1, p2, 0x1 .line 1 aget-byte p2, p1, p2 .line 2 invoke-virtual {p0, p2}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result p2 shl-int/lit8 p2, p2, 0x3 add-int/lit8 v2, v1, 0x1 aget-byte v1, p1, v1 .line 3 invoke-virtual {p0, v1}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v1 ushr-int/lit8 v3, v1, 0x2 and-int/lit8 v3, v3, 0x7 or-int/2addr p2, v3 int-to-byte p2, p2 aput-byte p2, p3, p4 add-int/lit8 p2, v0, 0x1 and-int/lit8 p4, v1, 0x3 shl-int/lit8 p4, p4, 0x6 add-int/lit8 v1, v2, 0x1 .line 4 aget-byte v2, p1, v2 .line 5 invoke-virtual {p0, v2}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v2 shl-int/lit8 v2, v2, 0x1 or-int/2addr p4, v2 add-int/lit8 v2, v1, 0x1 aget-byte v1, p1, v1 .line 6 invoke-virtual {p0, v1}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v1 ushr-int/lit8 v3, v1, 0x4 and-int/lit8 v3, v3, 0x1 or-int/2addr p4, v3 int-to-byte p4, p4 aput-byte p4, p3, v0 add-int/lit8 p4, p2, 0x1 and-int/lit8 v0, v1, 0xf shl-int/lit8 v0, v0, 0x4 add-int/lit8 v1, v2, 0x1 .line 7 aget-byte v2, p1, v2 .line 8 invoke-virtual {p0, v2}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v2 ushr-int/lit8 v3, v2, 0x1 and-int/lit8 v3, v3, 0xf or-int/2addr v0, v3 int-to-byte v0, v0 aput-byte v0, p3, p2 add-int/lit8 p2, p4, 0x1 and-int/lit8 v0, v2, 0x1 shl-int/lit8 v0, v0, 0x7 add-int/lit8 v2, v1, 0x1 .line 9 aget-byte v1, p1, v1 .line 10 invoke-virtual {p0, v1}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v1 shl-int/lit8 v1, v1, 0x2 or-int/2addr v0, v1 add-int/lit8 v1, v2, 0x1 aget-byte v2, p1, v2 .line 11 invoke-virtual {p0, v2}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result v2 ushr-int/lit8 v3, v2, 0x3 and-int/lit8 v3, v3, 0x3 or-int/2addr v0, v3 int-to-byte v0, v0 aput-byte v0, p3, p4 and-int/lit8 p4, v2, 0x7 shl-int/lit8 p4, p4, 0x5 .line 12 aget-byte p1, p1, v1 .line 13 invoke-virtual {p0, p1}, Lcom/amazonaws/util/AbstractBase32Codec;->pos(B)I move-result p1 or-int/2addr p1, p4 int-to-byte p1, p1 aput-byte p1, p3, p2 return-void .end method .method private final encode1byte([BI[BI)V .locals 2 add-int/lit8 v0, p4, 0x1 .line 1 iget-object v1, p0, Lcom/amazonaws/util/AbstractBase32Codec;->alpahbets:[B aget-byte p1, p1, p2 ushr-int/lit8 p2, p1, 0x3 and-int/lit8 p2, p2, 0x1f aget-byte p2, v1, p2 aput-byte p2, p3, p4 add-int/lit8 p2, v0, 0x1 and-int/lit8 p1, p1, 0x7 shl-int/lit8 p1, p1, 0x2 .line 2 aget-byte p1, v1, p1 aput-byte p1, p3, v0 const/4 p1, 0x0 :goto_0 const/4 p4, 0x6 if-ge p1, p4, :cond_0 add-int/lit8 p4, p2, 0x1 const/16 v0, 0x3d .line 3 aput-byte v0, p3, p2 add-int/lit8 p1, p1, 0x1 move p2, p4 goto :goto_0 :cond_0 return-void .end method .method private final encode2bytes([BI[BI)V .locals 4 add-int/lit8 v0, p4, 0x1 .line 1 iget-object v1, p0, Lcom/amazonaws/util/AbstractBase32Codec;->alpahbets:[B add-int/lit8 v2, p2, 0x1 aget-byte p2, p1, p2 ushr-int/lit8 v3, p2, 0x3 and-int/lit8 v3, v3, 0x1f aget-byte v3, v1, v3 aput-byte v3, p3, p4 add-int/lit8 p4, v0, 0x1 and-int/lit8 p2, p2, 0x7 shl-int/lit8 p2, p2, 0x2 .line 2 aget-byte p1, p1, v2 ushr-int/lit8 v2, p1, 0x6 and-int/lit8 v2, v2, 0x3 or-int/2addr p2, v2 aget-byte p2, v1, p2 aput-byte p2, p3, v0 add-int/lit8 p2, p4, 0x1 ushr-int/lit8 v0, p1, 0x1 and-int/lit8 v0, v0, 0x1f .line 3 aget-byte v0, v1, v0 aput-byte v0, p3, p4 add-int/lit8 p4, p2, 0x1 and-int/lit8 p1, p1, 0x1 const/4 v0, 0x4 shl-int/2addr p1, v0 .line 4 aget-byte p1, v1, p1 aput-byte p1, p3, p2 const/4 p1, 0x0 :goto_0 if-ge p1, v0, :cond_0 add-int/lit8 p2, p4, 0x1 const/16 v1, 0x3d .line 5 aput-byte v1, p3, p4 add-int/lit8 p1, p1, 0x1 move p4, p2 goto :goto_0 :cond_0 return-void .end method .method private final encode3bytes([BI[BI)V .locals 6 add-int/lit8 v0, p4, 0x1 .line 1 iget-object v1, p0, Lcom/amazonaws/util/AbstractBase32Codec;->alpahbets:[B add-int/lit8 v2, p2, 0x1 aget-byte p2, p1, p2 ushr-int/lit8 v3, p2, 0x3 and-int/lit8 v3, v3, 0x1f aget-byte v3, v1, v3 aput-byte v3, p3, p4 add-int/lit8 p4, v0, 0x1 and-int/lit8 p2, p2, 0x7 shl-int/lit8 p2, p2, 0x2 add-int/lit8 v3, v2, 0x1 .line 2 aget-byte v2, p1, v2 ushr-int/lit8 v4, v2, 0x6 const/4 v5, 0x3 and-int/2addr v4, v5 or-int/2addr p2, v4 aget-byte p2, v1, p2 aput-byte p2, p3, v0 add-int/lit8 p2, p4, 0x1 ushr-int/lit8 v0, v2, 0x1 and-int/lit8 v0, v0, 0x1f .line 3 aget-byte v0, v1, v0 aput-byte v0, p3, p4 add-int/lit8 p4, p2, 0x1 and-int/lit8 v0, v2, 0x1 shl-int/lit8 v0, v0, 0x4 .line 4 aget-byte p1, p1, v3 ushr-int/lit8 v2, p1, 0x4 and-int/lit8 v2, v2, 0xf or-int/2addr v0, v2 aget-byte v0, v1, v0 aput-byte v0, p3, p2 add-int/lit8 p2, p4, 0x1 and-int/lit8 p1, p1, 0xf shl-int/lit8 p1, p1, 0x1 .line 5 aget-byte p1, v1, p1 aput-byte p1, p3, p4 const/4 p1, 0x0 :goto_0 if-ge p1, v5, :cond_0 add-int/lit8 p4, p2, 0x1 const/16 v0, 0x3d .line 6 aput-byte v0, p3, p2 add-int/lit8 p1, p1, 0x1 move p2, p4 goto :goto_0 :cond_0 return-void .end method .method private final encode4bytes([BI[BI)V .locals 5 add-int/lit8 v0, p4, 0x1 .line 1 iget-object v1, p0, Lcom/amazonaws/util/AbstractBase32Codec;->alpahbets:[B add-int/lit8 v2, p2, 0x1 aget-byte p2, p1, p2 ushr-int/lit8 v3, p2, 0x3 and-int/lit8 v3, v3, 0x1f aget-byte v3, v1, v3 aput-byte v3, p3, p4 add-int/lit8 p4, v0, 0x1 and-int/lit8 p2, p2, 0x7 shl-int/lit8 p2, p2, 0x2 add-int/lit8 v3, v2, 0x1 .line 2 aget-byte v2, p1, v2 ushr-int/lit8 v4, v2, 0x6 and-int/lit8 v4, v4, 0x3 or-int/2addr p2, v4 aget-byte p2, v1, p2 aput-byte p2, p3, v0 add-int/lit8 p2, p4, 0x1 ushr-int/lit8 v0, v2, 0x1 and-int/lit8 v0, v0, 0x1f .line 3 aget-byte v0, v1, v0 aput-byte v0, p3, p4 add-int/lit8 p4, p2, 0x1 and-int/lit8 v0, v2, 0x1 shl-int/lit8 v0, v0, 0x4 add-int/lit8 v2, v3, 0x1 .line 4 aget-byte v3, p1, v3 ushr-int/lit8 v4, v3, 0x4 and-int/lit8 v4, v4, 0xf or-int/2addr v0, v4 aget-byte v0, v1, v0 aput-byte v0, p3, p2 add-int/lit8 p2, p4, 0x1 and-int/lit8 v0, v3, 0xf shl-int/lit8 v0, v0, 0x1 .line 5 aget-byte p1, p1, v2 ushr-int/lit8 v2, p1, 0x7 and-int/lit8 v2, v2, 0x1 or-int/2addr v0, v2 aget-byte v0, v1, v0 aput-byte v0, p3, p4 add-int/lit8 p4, p2, 0x1 ushr-int/lit8 v0, p1, 0x2 and-int/lit8 v0, v0, 0x1f .line 6 aget-byte v0, v1, v0 aput-byte v0, p3, p2 add-int/lit8 p2, p4, 0x1 and-int/lit8 p1, p1, 0x3 shl-int/lit8 p1, p1, 0x3 .line 7 aget-byte p1, v1, p1 aput-byte p1, p3, p4 const/16 p1, 0x3d .line 8 aput-byte p1, p3, p2 return-void .end method .method private final encode5bytes([BI[BI)V .locals 5 add-int/lit8 v0, p4, 0x1 .line 1 iget-object v1, p0, Lcom/amazonaws/util/AbstractBase32Codec;->alpahbets:[B add-int/lit8 v2, p2, 0x1 aget-byte p2, p1, p2 ushr-int/lit8 v3, p2, 0x3 and-int/lit8 v3, v3, 0x1f aget-byte v3, v1, v3 aput-byte v3, p3, p4 add-int/lit8 p4, v0, 0x1 and-int/lit8 p2, p2, 0x7 shl-int/lit8 p2, p2, 0x2 add-int/lit8 v3, v2, 0x1 .line 2 aget-byte v2, p1, v2 ushr-int/lit8 v4, v2, 0x6 and-int/lit8 v4, v4, 0x3 or-int/2addr p2, v4 aget-byte p2, v1, p2 aput-byte p2, p3, v0 add-int/lit8 p2, p4, 0x1 ushr-int/lit8 v0, v2, 0x1 and-int/lit8 v0, v0, 0x1f .line 3 aget-byte v0, v1, v0 aput-byte v0, p3, p4 add-int/lit8 p4, p2, 0x1 and-int/lit8 v0, v2, 0x1 shl-int/lit8 v0, v0, 0x4 add-int/lit8 v2, v3, 0x1 .line 4 aget-byte v3, p1, v3 ushr-int/lit8 v4, v3, 0x4 and-int/lit8 v4, v4, 0xf or-int/2addr v0, v4 aget-byte v0, v1, v0 aput-byte v0, p3, p2 add-int/lit8 p2, p4, 0x1 and-int/lit8 v0, v3, 0xf shl-int/lit8 v0, v0, 0x1 add-int/lit8 v3, v2, 0x1 .line 5 aget-byte v2, p1, v2 ushr-int/lit8 v4, v2, 0x7 and-int/lit8 v4, v4, 0x1 or-int/2addr v0, v4 aget-byte v0, v1, v0 aput-byte v0, p3, p4 add-int/lit8 p4, p2, 0x1 ushr-int/lit8 v0, v2, 0x2 and-int/lit8 v0, v0, 0x1f .line 6 aget-byte v0, v1, v0 aput-byte v0, p3, p2 add-int/lit8 p2, p4, 0x1 and-int/lit8 v0, v2, 0x3 shl-int/lit8 v0, v0, 0x3 .line 7 aget-byte p1, p1, v3 ushr-int/lit8 v2, p1, 0x5 and-int/lit8 v2, v2, 0x7 or-int/2addr v0, v2 aget-byte v0, v1, v0 aput-byte v0, p3, p4 and-int/lit8 p1, p1, 0x1f .line 8 aget-byte p1, v1, p1 aput-byte p1, p3, p2 return-void .end method # virtual methods .method public final decode([BI)[B .locals 13 .line 1 rem-int/lit8 v0, p2, 0x8 if-nez v0, :cond_9 add-int/lit8 v0, p2, -0x1 const/4 v1, 0x0 move v2, v1 :goto_0 const/4 v3, 0x6 if-ge v2, v3, :cond_1 const/4 v4, -0x1 if-le v0, v4, :cond_1 .line 2 aget-byte v4, p1, v0 const/16 v5, 0x3d if-eq v4, v5, :cond_0 goto :goto_1 :cond_0 add-int/lit8 v0, v0, -0x1 add-int/lit8 v2, v2, 0x1 goto :goto_0 :cond_1 :goto_1 const/4 v0, 0x4 const/4 v4, 0x3 const/4 v5, 0x1 const/4 v6, 0x5 if-eqz v2, :cond_6 if-eq v2, v5, :cond_5 if-eq v2, v4, :cond_4 if-eq v2, v0, :cond_3 if-ne v2, v3, :cond_2 move v8, v5 goto :goto_3 .line 3 :cond_2 new-instance p1, Ljava/lang/IllegalArgumentException; const-string p2, "Invalid number of paddings " invoke-static {p2, v2}, Landroid/support/v4/media/b;->a(Ljava/lang/String;I)Ljava/lang/String; move-result-object p2 invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;->(Ljava/lang/String;)V throw p1 :cond_3 const/4 v0, 0x2 goto :goto_2 :cond_4 move v8, v4 goto :goto_3 :cond_5 :goto_2 move v8, v0 goto :goto_3 :cond_6 move v8, v6 .line 4 :goto_3 div-int/lit8 p2, p2, 0x8 mul-int/2addr p2, v6 rsub-int/lit8 v0, v8, 0x5 sub-int/2addr p2, v0 new-array v0, p2, [B move v10, v1 move v12, v10 .line 5 :goto_4 rem-int/lit8 v1, v8, 0x5 sub-int v1, p2, v1 if-ge v12, v1, :cond_7 .line 6 invoke-direct {p0, p1, v10, v0, v12}, Lcom/amazonaws/util/AbstractBase32Codec;->decode5bytes([BI[BI)V add-int/lit8 v10, v10, 0x8 add-int/lit8 v12, v12, 0x5 goto :goto_4 :cond_7 if-ge v8, v6, :cond_8 move-object v7, p0 move-object v9, p1 move-object v11, v0 .line 7 invoke-direct/range {v7 .. v12}, Lcom/amazonaws/util/AbstractBase32Codec;->decode1to4bytes(I[BI[BI)V :cond_8 return-object v0 .line 8 :cond_9 new-instance p1, Ljava/lang/IllegalArgumentException; const-string v0, "Input is expected to be encoded in multiple of 8 bytes but found: " invoke-static {v0, p2}, Landroid/support/v4/media/b;->a(Ljava/lang/String;I)Ljava/lang/String; move-result-object p2 invoke-direct {p1, p2}, Ljava/lang/IllegalArgumentException;->(Ljava/lang/String;)V throw p1 .end method .method public final encode([B)[B .locals 6 .line 1 array-length v0, p1 div-int/lit8 v0, v0, 0x5 .line 2 array-length v1, p1 rem-int/lit8 v1, v1, 0x5 const/4 v2, 0x0 if-nez v1, :cond_1 mul-int/lit8 v0, v0, 0x8 .line 3 new-array v0, v0, [B move v1, v2 .line 4 :goto_0 array-length v3, p1 if-ge v2, v3, :cond_0 .line 5 invoke-direct {p0, p1, v2, v0, v1}, Lcom/amazonaws/util/AbstractBase32Codec;->encode5bytes([BI[BI)V add-int/lit8 v2, v2, 0x5 add-int/lit8 v1, v1, 0x8 goto :goto_0 :cond_0 return-object v0 :cond_1 const/4 v3, 0x1 add-int/2addr v0, v3 mul-int/lit8 v0, v0, 0x8 .line 6 new-array v0, v0, [B move v4, v2 .line 7 :goto_1 array-length v5, p1 sub-int/2addr v5, v1 if-ge v2, v5, :cond_2 .line 8 invoke-direct {p0, p1, v2, v0, v4}, Lcom/amazonaws/util/AbstractBase32Codec;->encode5bytes([BI[BI)V add-int/lit8 v2, v2, 0x5 add-int/lit8 v4, v4, 0x8 goto :goto_1 :cond_2 if-eq v1, v3, :cond_6 const/4 v3, 0x2 if-eq v1, v3, :cond_5 const/4 v3, 0x3 if-eq v1, v3, :cond_4 const/4 v3, 0x4 if-eq v1, v3, :cond_3 goto :goto_2 .line 9 :cond_3 invoke-direct {p0, p1, v2, v0, v4}, Lcom/amazonaws/util/AbstractBase32Codec;->encode4bytes([BI[BI)V goto :goto_2 .line 10 :cond_4 invoke-direct {p0, p1, v2, v0, v4}, Lcom/amazonaws/util/AbstractBase32Codec;->encode3bytes([BI[BI)V goto :goto_2 .line 11 :cond_5 invoke-direct {p0, p1, v2, v0, v4}, Lcom/amazonaws/util/AbstractBase32Codec;->encode2bytes([BI[BI)V goto :goto_2 .line 12 :cond_6 invoke-direct {p0, p1, v2, v0, v4}, Lcom/amazonaws/util/AbstractBase32Codec;->encode1byte([BI[BI)V :goto_2 return-object v0 .end method .method public abstract pos(B)I .end method