.class public Ltid/sktelecom/ssolib/common/i;
.super Ljava/lang/Object;
.source "RSAUtils.java"


# direct methods
.method public static a(Ljava/lang/String;)Ljava/lang/String;
    .locals 4

    .line 22
    invoke-static {p0}, Ltid/sktelecom/ssolib/common/b;->a(Ljava/lang/String;)[B

    move-result-object p0

    const/4 v0, 0x0

    .line 23
    aget-byte v1, p0, v0

    if-gez v1, :cond_0

    .line 24
    array-length v1, p0

    const/4 v2, 0x1

    add-int/2addr v1, v2

    new-array v1, v1, [B

    .line 25
    aput-byte v0, v1, v0

    .line 26
    array-length v3, p0

    invoke-static {p0, v0, v1, v2, v3}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    goto :goto_0

    .line 27
    :cond_0
    array-length v1, p0

    new-array v1, v1, [B

    .line 28
    array-length v2, p0

    invoke-static {p0, v0, v1, v0, v2}, Ljava/lang/System;->arraycopy(Ljava/lang/Object;ILjava/lang/Object;II)V

    .line 29
    :goto_0
    new-instance p0, Ljava/math/BigInteger;

    invoke-direct {p0, v1}, Ljava/math/BigInteger;-><init>([B)V

    .line 30
    invoke-virtual {p0}, Ljava/math/BigInteger;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0
.end method

.method public static a(Ljava/lang/String;Ljava/security/PublicKey;)Ljava/lang/String;
    .locals 2

    :try_start_0
    const-string v0, "UTF-8"

    .line 1
    invoke-virtual {p0, v0}, Ljava/lang/String;->getBytes(Ljava/lang/String;)[B

    move-result-object p0

    const-string v0, "RSA/ECB/PKCS1Padding"

    .line 2
    invoke-static {v0}, Ljavax/crypto/Cipher;->getInstance(Ljava/lang/String;)Ljavax/crypto/Cipher;

    move-result-object v0

    const/4 v1, 0x1

    .line 3
    invoke-virtual {v0, v1, p1}, Ljavax/crypto/Cipher;->init(ILjava/security/Key;)V

    .line 4
    invoke-virtual {v0, p0}, Ljavax/crypto/Cipher;->doFinal([B)[B

    move-result-object p0

    .line 5
    invoke-static {p0}, Ltid/sktelecom/ssolib/common/b;->a([B)Ljava/lang/String;

    move-result-object p0
    :try_end_0
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_0} :catch_0

    return-object p0

    :catch_0
    move-exception p0

    .line 6
    invoke-virtual {p0}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object p1

    invoke-static {p1}, Ltid/sktelecom/ssolib/common/c;->b(Ljava/lang/String;)V

    .line 7
    new-instance p1, Ljava/lang/Exception;

    invoke-virtual {p0}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object p0

    invoke-direct {p1, p0}, Ljava/lang/Exception;-><init>(Ljava/lang/String;)V

    throw p1
.end method

.method public static a([B)Ljava/lang/String;
    .locals 4

    if-eqz p0, :cond_2

    .line 16
    array-length v0, p0

    if-nez v0, :cond_0

    goto :goto_1

    .line 17
    :cond_0
    new-instance v0, Ljava/lang/StringBuffer;

    array-length v1, p0

    mul-int/lit8 v1, v1, 0x2

    invoke-direct {v0, v1}, Ljava/lang/StringBuffer;-><init>(I)V

    const/4 v1, 0x0

    .line 18
    :goto_0
    array-length v2, p0

    if-ge v1, v2, :cond_1

    const-string v2, "0"

    .line 19
    invoke-static {v2}, Landroid/support/v4/media/d;->a(Ljava/lang/String;)Ljava/lang/StringBuilder;

    move-result-object v2

    aget-byte v3, p0, v1

    and-int/lit16 v3, v3, 0xff

    invoke-static {v3, v2}, Lc1/h;->a(ILjava/lang/StringBuilder;)Ljava/lang/String;

    move-result-object v2

    .line 20
    invoke-virtual {v2}, Ljava/lang/String;->length()I

    move-result v3

    add-int/lit8 v3, v3, -0x2

    invoke-virtual {v2, v3}, Ljava/lang/String;->substring(I)Ljava/lang/String;

    move-result-object v2

    invoke-virtual {v0, v2}, Ljava/lang/StringBuffer;->append(Ljava/lang/String;)Ljava/lang/StringBuffer;

    add-int/lit8 v1, v1, 0x1

    goto :goto_0

    .line 21
    :cond_1
    invoke-virtual {v0}, Ljava/lang/StringBuffer;->toString()Ljava/lang/String;

    move-result-object p0

    return-object p0

    :cond_2
    :goto_1
    const/4 p0, 0x0

    return-object p0
.end method

.method public static a(Ljava/lang/String;Ljava/lang/String;)Ljava/security/PublicKey;
    .locals 2

    .line 8
    :try_start_0
    invoke-static {p0}, Ltid/sktelecom/ssolib/common/i;->a(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p0

    .line 9
    invoke-static {p1}, Ltid/sktelecom/ssolib/common/i;->a(Ljava/lang/String;)Ljava/lang/String;

    move-result-object p1

    .line 10
    new-instance v0, Ljava/math/BigInteger;

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

    .line 11
    new-instance p0, Ljava/math/BigInteger;

    invoke-direct {p0, p1}, Ljava/math/BigInteger;-><init>(Ljava/lang/String;)V

    const-string p1, "RSA"

    .line 12
    invoke-static {p1}, Ljava/security/KeyFactory;->getInstance(Ljava/lang/String;)Ljava/security/KeyFactory;

    move-result-object p1

    new-instance v1, Ljava/security/spec/RSAPublicKeySpec;

    invoke-direct {v1, v0, p0}, Ljava/security/spec/RSAPublicKeySpec;-><init>(Ljava/math/BigInteger;Ljava/math/BigInteger;)V

    .line 13
    invoke-virtual {p1, v1}, Ljava/security/KeyFactory;->generatePublic(Ljava/security/spec/KeySpec;)Ljava/security/PublicKey;

    move-result-object p0
    :try_end_0
    .catch Ljava/lang/Exception; {:try_start_0 .. :try_end_0} :catch_0

    return-object p0

    :catch_0
    move-exception p0

    .line 14
    invoke-virtual {p0}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object p1

    invoke-static {p1}, Ltid/sktelecom/ssolib/common/c;->b(Ljava/lang/String;)V

    .line 15
    new-instance p1, Ljava/lang/Exception;

    invoke-virtual {p0}, Ljava/lang/Exception;->getMessage()Ljava/lang/String;

    move-result-object p0

    invoke-direct {p1, p0}, Ljava/lang/Exception;-><init>(Ljava/lang/String;)V

    throw p1
.end method