2022-06-10 21:38:30 +09:00

670 lines
17 KiB
Smali

.class public final Lcom/google/android/gms/internal/firebase-auth-api/zzkl;
.super Ljava/lang/Object;
.source "com.google.firebase:firebase-auth@@21.0.1"
# instance fields
.field private final zza:Ljava/security/interfaces/ECPrivateKey;
# direct methods
.method public constructor <init>(Ljava/security/interfaces/ECPrivateKey;)V
.locals 0
invoke-direct {p0}, Ljava/lang/Object;-><init>()V
iput-object p1, p0, Lcom/google/android/gms/internal/firebase-auth-api/zzkl;->zza:Ljava/security/interfaces/ECPrivateKey;
return-void
.end method
# virtual methods
.method public final zza([BLjava/lang/String;[B[BII)[B
.locals 16
.annotation system Ldalvik/annotation/Throws;
value = {
Ljava/security/GeneralSecurityException;
}
.end annotation
move-object/from16 v1, p0
move-object/from16 v0, p1
move-object/from16 v2, p2
move-object/from16 v3, p3
move/from16 v4, p5
iget-object v5, v1, Lcom/google/android/gms/internal/firebase-auth-api/zzkl;->zza:Ljava/security/interfaces/ECPrivateKey;
.line 1
invoke-interface {v5}, Ljava/security/interfaces/ECPrivateKey;->getParams()Ljava/security/spec/ECParameterSpec;
move-result-object v5
.line 2
invoke-virtual {v5}, Ljava/security/spec/ECParameterSpec;->getCurve()Ljava/security/spec/EllipticCurve;
move-result-object v6
.line 3
invoke-static {v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zza(Ljava/security/spec/EllipticCurve;)I
move-result v7
const/4 v8, -0x1
add-int/lit8 v9, p6, -0x1
const-string v10, "invalid point size"
const/4 v11, 0x2
const/4 v12, 0x0
const/4 v13, 0x1
if-eqz v9, :cond_6
if-eq v9, v11, :cond_4
.line 4
invoke-static {v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzb(Ljava/security/spec/EllipticCurve;)Ljava/math/BigInteger;
move-result-object v9
.line 5
array-length v10, v0
add-int/2addr v7, v13
if-ne v10, v7, :cond_3
.line 6
aget-byte v7, v0, v12
if-ne v7, v11, :cond_0
move v7, v12
goto :goto_0
:cond_0
const/4 v14, 0x3
if-ne v7, v14, :cond_2
move v7, v13
:goto_0
new-instance v14, Ljava/math/BigInteger;
.line 7
invoke-static {v0, v13, v10}, Ljava/util/Arrays;->copyOfRange([BII)[B
move-result-object v10
invoke-direct {v14, v13, v10}, Ljava/math/BigInteger;-><init>(I[B)V
.line 8
invoke-virtual {v14}, Ljava/math/BigInteger;->signum()I
move-result v10
if-eq v10, v8, :cond_1
invoke-virtual {v14, v9}, Ljava/math/BigInteger;->compareTo(Ljava/math/BigInteger;)I
move-result v9
if-gez v9, :cond_1
.line 9
invoke-static {v14, v7, v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzc(Ljava/math/BigInteger;ZLjava/security/spec/EllipticCurve;)Ljava/math/BigInteger;
move-result-object v6
.line 10
new-instance v7, Ljava/security/spec/ECPoint;
invoke-direct {v7, v14, v6}, Ljava/security/spec/ECPoint;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
goto :goto_1
.line 11
:cond_1
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "x is out of range"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.line 12
:cond_2
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "invalid format"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.line 13
:cond_3
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "compressed point has wrong length"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.line 14
:cond_4
array-length v9, v0
add-int v14, v7, v7
if-ne v9, v14, :cond_5
.line 15
new-instance v10, Ljava/math/BigInteger;
.line 16
invoke-static {v0, v12, v7}, Ljava/util/Arrays;->copyOfRange([BII)[B
move-result-object v14
invoke-direct {v10, v13, v14}, Ljava/math/BigInteger;-><init>(I[B)V
new-instance v14, Ljava/math/BigInteger;
.line 17
invoke-static {v0, v7, v9}, Ljava/util/Arrays;->copyOfRange([BII)[B
move-result-object v7
invoke-direct {v14, v13, v7}, Ljava/math/BigInteger;-><init>(I[B)V
.line 18
new-instance v7, Ljava/security/spec/ECPoint;
invoke-direct {v7, v10, v14}, Ljava/security/spec/ECPoint;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
.line 19
invoke-static {v7, v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzd(Ljava/security/spec/ECPoint;Ljava/security/spec/EllipticCurve;)V
goto :goto_1
.line 20
:cond_5
new-instance v0, Ljava/security/GeneralSecurityException;
invoke-direct {v0, v10}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.line 21
:cond_6
array-length v9, v0
add-int v14, v7, v7
add-int/2addr v14, v13
if-ne v9, v14, :cond_e
.line 22
aget-byte v10, v0, v12
const/4 v14, 0x4
if-ne v10, v14, :cond_d
add-int/2addr v7, v13
.line 23
new-instance v10, Ljava/math/BigInteger;
.line 24
invoke-static {v0, v13, v7}, Ljava/util/Arrays;->copyOfRange([BII)[B
move-result-object v14
invoke-direct {v10, v13, v14}, Ljava/math/BigInteger;-><init>(I[B)V
new-instance v14, Ljava/math/BigInteger;
.line 25
invoke-static {v0, v7, v9}, Ljava/util/Arrays;->copyOfRange([BII)[B
move-result-object v7
invoke-direct {v14, v13, v7}, Ljava/math/BigInteger;-><init>(I[B)V
.line 26
new-instance v7, Ljava/security/spec/ECPoint;
invoke-direct {v7, v10, v14}, Ljava/security/spec/ECPoint;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V
.line 27
invoke-static {v7, v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzd(Ljava/security/spec/ECPoint;Ljava/security/spec/EllipticCurve;)V
.line 28
:goto_1
new-instance v6, Ljava/security/spec/ECPublicKeySpec;
invoke-direct {v6, v7, v5}, Ljava/security/spec/ECPublicKeySpec;-><init>(Ljava/security/spec/ECPoint;Ljava/security/spec/ECParameterSpec;)V
.line 29
sget-object v5, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zzg:Lcom/google/android/gms/internal/firebase-auth-api/zzkp;
const-string v7, "EC"
invoke-virtual {v5, v7}, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zza(Ljava/lang/String;)Ljava/lang/Object;
move-result-object v9
check-cast v9, Ljava/security/KeyFactory;
.line 30
invoke-virtual {v9, v6}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
move-result-object v6
check-cast v6, Ljava/security/interfaces/ECPublicKey;
iget-object v9, v1, Lcom/google/android/gms/internal/firebase-auth-api/zzkl;->zza:Ljava/security/interfaces/ECPrivateKey;
.line 31
:try_start_0
invoke-interface {v6}, Ljava/security/interfaces/ECPublicKey;->getParams()Ljava/security/spec/ECParameterSpec;
move-result-object v10
.line 32
invoke-interface {v9}, Ljava/security/interfaces/ECPrivateKey;->getParams()Ljava/security/spec/ECParameterSpec;
move-result-object v14
.line 33
invoke-virtual {v10}, Ljava/security/spec/ECParameterSpec;->getCurve()Ljava/security/spec/EllipticCurve;
move-result-object v15
invoke-virtual {v14}, Ljava/security/spec/ECParameterSpec;->getCurve()Ljava/security/spec/EllipticCurve;
move-result-object v12
invoke-virtual {v15, v12}, Ljava/security/spec/EllipticCurve;->equals(Ljava/lang/Object;)Z
move-result v12
if-eqz v12, :cond_c
.line 34
invoke-virtual {v10}, Ljava/security/spec/ECParameterSpec;->getGenerator()Ljava/security/spec/ECPoint;
move-result-object v12
invoke-virtual {v14}, Ljava/security/spec/ECParameterSpec;->getGenerator()Ljava/security/spec/ECPoint;
move-result-object v15
invoke-virtual {v12, v15}, Ljava/security/spec/ECPoint;->equals(Ljava/lang/Object;)Z
move-result v12
if-eqz v12, :cond_c
.line 35
invoke-virtual {v10}, Ljava/security/spec/ECParameterSpec;->getOrder()Ljava/math/BigInteger;
move-result-object v12
invoke-virtual {v14}, Ljava/security/spec/ECParameterSpec;->getOrder()Ljava/math/BigInteger;
move-result-object v15
invoke-virtual {v12, v15}, Ljava/math/BigInteger;->equals(Ljava/lang/Object;)Z
move-result v12
if-eqz v12, :cond_c
.line 36
invoke-virtual {v10}, Ljava/security/spec/ECParameterSpec;->getCofactor()I
move-result v10
invoke-virtual {v14}, Ljava/security/spec/ECParameterSpec;->getCofactor()I
move-result v12
:try_end_0
.catch Ljava/lang/IllegalArgumentException; {:try_start_0 .. :try_end_0} :catch_2
.catch Ljava/lang/NullPointerException; {:try_start_0 .. :try_end_0} :catch_1
if-ne v10, v12, :cond_c
.line 37
invoke-interface {v6}, Ljava/security/interfaces/ECPublicKey;->getW()Ljava/security/spec/ECPoint;
move-result-object v6
.line 38
invoke-interface {v9}, Ljava/security/interfaces/ECPrivateKey;->getParams()Ljava/security/spec/ECParameterSpec;
move-result-object v10
invoke-virtual {v10}, Ljava/security/spec/ECParameterSpec;->getCurve()Ljava/security/spec/EllipticCurve;
move-result-object v10
invoke-static {v6, v10}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzd(Ljava/security/spec/ECPoint;Ljava/security/spec/EllipticCurve;)V
.line 39
invoke-interface {v9}, Ljava/security/interfaces/ECPrivateKey;->getParams()Ljava/security/spec/ECParameterSpec;
move-result-object v10
new-instance v12, Ljava/security/spec/ECPublicKeySpec;
.line 40
invoke-direct {v12, v6, v10}, Ljava/security/spec/ECPublicKeySpec;-><init>(Ljava/security/spec/ECPoint;Ljava/security/spec/ECParameterSpec;)V
.line 41
invoke-virtual {v5, v7}, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zza(Ljava/lang/String;)Ljava/lang/Object;
move-result-object v5
check-cast v5, Ljava/security/KeyFactory;
.line 42
invoke-virtual {v5, v12}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;
move-result-object v5
sget-object v6, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zze:Lcom/google/android/gms/internal/firebase-auth-api/zzkp;
const-string v7, "ECDH"
.line 43
invoke-virtual {v6, v7}, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zza(Ljava/lang/String;)Ljava/lang/Object;
move-result-object v6
check-cast v6, Ljavax/crypto/KeyAgreement;
.line 44
invoke-virtual {v6, v9}, Ljavax/crypto/KeyAgreement;->init(Ljava/security/Key;)V
.line 45
:try_start_1
invoke-virtual {v6, v5, v13}, Ljavax/crypto/KeyAgreement;->doPhase(Ljava/security/Key;Z)Ljava/security/Key;
.line 46
invoke-virtual {v6}, Ljavax/crypto/KeyAgreement;->generateSecret()[B
move-result-object v5
.line 47
invoke-interface {v9}, Ljava/security/interfaces/ECPrivateKey;->getParams()Ljava/security/spec/ECParameterSpec;
move-result-object v6
invoke-virtual {v6}, Ljava/security/spec/ECParameterSpec;->getCurve()Ljava/security/spec/EllipticCurve;
move-result-object v6
new-instance v7, Ljava/math/BigInteger;
.line 48
invoke-direct {v7, v13, v5}, Ljava/math/BigInteger;-><init>(I[B)V
.line 49
invoke-virtual {v7}, Ljava/math/BigInteger;->signum()I
move-result v9
if-eq v9, v8, :cond_b
invoke-static {v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzb(Ljava/security/spec/EllipticCurve;)Ljava/math/BigInteger;
move-result-object v8
invoke-virtual {v7, v8}, Ljava/math/BigInteger;->compareTo(Ljava/math/BigInteger;)I
move-result v8
if-gez v8, :cond_b
.line 50
invoke-static {v7, v13, v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkn;->zzc(Ljava/math/BigInteger;ZLjava/security/spec/EllipticCurve;)Ljava/math/BigInteger;
:try_end_1
.catch Ljava/lang/IllegalStateException; {:try_start_1 .. :try_end_1} :catch_0
new-array v6, v11, [[B
const/4 v7, 0x0
aput-object v0, v6, v7
aput-object v5, v6, v13
.line 51
invoke-static {v6}, Lcom/google/android/gms/internal/firebase-auth-api/zzkd;->zzc([[B)[B
move-result-object v0
sget-object v5, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zzb:Lcom/google/android/gms/internal/firebase-auth-api/zzkp;
.line 52
invoke-virtual {v5, v2}, Lcom/google/android/gms/internal/firebase-auth-api/zzkp;->zza(Ljava/lang/String;)Ljava/lang/Object;
move-result-object v5
check-cast v5, Ljavax/crypto/Mac;
.line 53
invoke-virtual {v5}, Ljavax/crypto/Mac;->getMacLength()I
move-result v6
mul-int/lit16 v6, v6, 0xff
if-gt v4, v6, :cond_a
if-eqz v3, :cond_8
.line 54
array-length v6, v3
if-nez v6, :cond_7
goto :goto_2
.line 55
:cond_7
new-instance v6, Ljavax/crypto/spec/SecretKeySpec;
invoke-direct {v6, v3, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
invoke-virtual {v5, v6}, Ljavax/crypto/Mac;->init(Ljava/security/Key;)V
goto :goto_3
.line 56
:cond_8
:goto_2
new-instance v3, Ljavax/crypto/spec/SecretKeySpec;
invoke-virtual {v5}, Ljavax/crypto/Mac;->getMacLength()I
move-result v6
new-array v6, v6, [B
invoke-direct {v3, v6, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
invoke-virtual {v5, v3}, Ljavax/crypto/Mac;->init(Ljava/security/Key;)V
.line 57
:goto_3
invoke-virtual {v5, v0}, Ljavax/crypto/Mac;->doFinal([B)[B
move-result-object v0
.line 58
new-array v3, v4, [B
new-instance v6, Ljavax/crypto/spec/SecretKeySpec;
.line 59
invoke-direct {v6, v0, v2}, Ljavax/crypto/spec/SecretKeySpec;-><init>([BLjava/lang/String;)V
invoke-virtual {v5, v6}, Ljavax/crypto/Mac;->init(Ljava/security/Key;)V
const/4 v7, 0x0
new-array v0, v7, [B
move v2, v7
.line 60
:goto_4
invoke-virtual {v5, v0}, Ljavax/crypto/Mac;->update([B)V
const/4 v0, 0x0
.line 61
invoke-virtual {v5, v0}, Ljavax/crypto/Mac;->update([B)V
int-to-byte v0, v13
.line 62
invoke-virtual {v5, v0}, Ljavax/crypto/Mac;->update(B)V
.line 63
invoke-virtual {v5}, Ljavax/crypto/Mac;->doFinal()[B
move-result-object v0
.line 64
array-length v6, v0
add-int v8, v2, v6
if-ge v8, v4, :cond_9
.line 65
invoke-static {v0, v7, v3, v2, v6}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
add-int/lit8 v13, v13, 0x1
move v2, v8
goto :goto_4
:cond_9
sub-int/2addr v4, v2
.line 66
invoke-static {v0, v7, v3, v2, v4}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V
return-object v3
.line 67
:cond_a
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "size too large"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.line 68
:cond_b
:try_start_2
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "shared secret is out of range"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
:try_end_2
.catch Ljava/lang/IllegalStateException; {:try_start_2 .. :try_end_2} :catch_0
:catch_0
move-exception v0
.line 69
new-instance v2, Ljava/security/GeneralSecurityException;
invoke-virtual {v0}, Ljava/lang/IllegalStateException;->toString()Ljava/lang/String;
move-result-object v0
invoke-direct {v2, v0}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v2
.line 70
:cond_c
:try_start_3
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "invalid public key spec"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
:try_end_3
.catch Ljava/lang/IllegalArgumentException; {:try_start_3 .. :try_end_3} :catch_2
.catch Ljava/lang/NullPointerException; {:try_start_3 .. :try_end_3} :catch_1
:catch_1
move-exception v0
goto :goto_5
:catch_2
move-exception v0
.line 71
:goto_5
new-instance v2, Ljava/security/GeneralSecurityException;
invoke-virtual {v0}, Ljava/lang/RuntimeException;->toString()Ljava/lang/String;
move-result-object v0
invoke-direct {v2, v0}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v2
.line 72
:cond_d
new-instance v0, Ljava/security/GeneralSecurityException;
const-string v2, "invalid point format"
invoke-direct {v0, v2}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.line 73
:cond_e
new-instance v0, Ljava/security/GeneralSecurityException;
invoke-direct {v0, v10}, Ljava/security/GeneralSecurityException;-><init>(Ljava/lang/String;)V
throw v0
.end method