cn.hutool.crypto

Class ASN1Util

java.lang.Object

cn.hutool.crypto.ASN1Util

public class ASN1Util
extends Object

ASN.1 – Abstract Syntax Notation dot one，抽象记法1 工具类。
ASN.1描述了一种对数据进行表示、编码、传输和解码的数据格式。它的编码格式包括DER、BER、DL等

Since:

5.7.10

Author:

looly

Constructor Summary

Constructors

Constructor and Description
ASN1Util()

Method Summary

Modifier and Type	Method and Description
static org.bouncycastle.asn1.ASN1Object	decode(InputStream in) 读取ASN.1数据流为ASN1Object
static byte[]	encode(String asn1Encoding, org.bouncycastle.asn1.ASN1Encodable... elements) 编码为指定ASN1格式
static byte[]	encodeDer(org.bouncycastle.asn1.ASN1Encodable... elements) 编码为DER格式
static void	encodeTo(String asn1Encoding, OutputStream out, org.bouncycastle.asn1.ASN1Encodable... elements) 编码为指定ASN1格式
static String	getDumpStr(InputStream in) 获取ASN1格式的导出格式，一般用于调试

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ASN1Util

public ASN1Util()

Method Detail

encodeDer

public static byte[] encodeDer(org.bouncycastle.asn1.ASN1Encodable... elements)

编码为DER格式

Parameters:

elements - ASN.1元素

Returns:

编码后的bytes

encode

public static byte[] encode(String asn1Encoding,
                            org.bouncycastle.asn1.ASN1Encodable... elements)

编码为指定ASN1格式

Parameters:

asn1Encoding - 编码格式，见ASN1Encoding，可选DER、BER或DL

elements - ASN.1元素

Returns:

编码后的bytes

encodeTo

public static void encodeTo(String asn1Encoding,
                            OutputStream out,
                            org.bouncycastle.asn1.ASN1Encodable... elements)

编码为指定ASN1格式

Parameters:

asn1Encoding - 编码格式，见ASN1Encoding，可选DER、BER或DL

out - 输出流

elements - ASN.1元素

decode

public static org.bouncycastle.asn1.ASN1Object decode(InputStream in)

读取ASN.1数据流为ASN1Object

Parameters:

in - ASN.1数据

Returns:

ASN1Object

getDumpStr

public static String getDumpStr(InputStream in)

获取ASN1格式的导出格式，一般用于调试

Parameters:

in - ASN.1数据

Returns:

ASN1Object的字符串表示形式

See Also:

ASN1Dump.dumpAsString(Object)