cn.ponfee.commons.jce.security

类 RSAPublicKeys

java.lang.Object

cn.ponfee.commons.jce.security.RSAPublicKeys

public final class RSAPublicKeys
extends Object

PKCS#8 PEM：PUBLIC KEY RSA Public Key convert

作者:

Ponfee

方法概要

限定符和类型	方法和说明
static RSAPublicKey	fromPkcs1(String pkcs1PublicKey) parse public key from pkcs1 format
static RSAPublicKey	fromPkcs8(String pkcs8PublicKey) parse public key from base64 X509 pkcs8 fromat
static RSAPublicKey	fromPkcs8Pem(String pemPublicKey) parse public key from pem format
static int	getKeyLength(RSAKey rsaKey) Gets the rsa key length
static RSAPublicKey	getPublicKey(Certificate cert) 证书中获取公钥
static RSAPrivateKey	inverse(RSAPublicKey publicKey) 对于某些jdk不支持公钥解密及签名，所以要反转公钥为私钥 公钥伪造成私钥来支持解密及签名
static String	toPkcs1(RSAPublicKey publicKey) MIGJAoGBAKVpbo/Wum3G5ciustuKNGvPX/rgkdZw33QGqBR5UOKUoD5/h/IeQlS7ladX+oa+ciVCXyP854Zq+0RVQ7x87DfAohLmyXlIGOJ7KLJZkUWDYSG0WsPbnTOEmxQcRzqEV5g9pVHIjgPH6N/j6HHKRs5xDEd3pVpoRBZKEncbZ85xAgMBAAE= ASN1 Encode The RSA Public key PEM file is specific for RSA keys.
static String	toPkcs8(RSAPublicKey publicKey) MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClaW6P1rptxuXIrrLbijRrz1/64JHWcN90BqgUeVDilKA+f4fyHkJUu5WnV/qGvnIlQl8j/OeGavtEVUO8fOw3wKIS5sl5SBjieyiyWZFFg2EhtFrD250zhJsUHEc6hFeYPaVRyI4Dx+jf4+hxykbOcQxHd6VaaEQWShJ3G2fOcQIDAQAB DER Encode convert public key to x509 pkcs8 fromat
static String	toPkcs8Pem(RSAPublicKey publicKey) -----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClaW6P1rptxuXIrrLbijRrz1/6 4JHWcN90BqgUeVDilKA+f4fyHkJUu5WnV/qGvnIlQl8j/OeGavtEVUO8fOw3wKIS 5sl5SBjieyiyWZFFg2EhtFrD250zhJsUHEc6hFeYPaVRyI4Dx+jf4+hxykbOcQxH d6VaaEQWShJ3G2fOcQIDAQAB -----END PUBLIC KEY----- new PemObject("RSA PUBLIC KEY", toPkcs8Encode(publicKey)) convert public key to pem fromat (pkcs8)
static RSAPublicKey	toRSAPublicKey(BigInteger modulus, BigInteger publicExponent) Build RSAPublicKey with modulus and publicExponent

从类继承的方法 java.lang.Object

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

方法详细资料

toRSAPublicKey

public static RSAPublicKey toRSAPublicKey(BigInteger modulus,
                                          BigInteger publicExponent)

Build RSAPublicKey with modulus and publicExponent

参数:

modulus -

publicExponent -

返回:

the RSAPublicKey

getPublicKey

public static RSAPublicKey getPublicKey(Certificate cert)

证书中获取公钥

参数:

cert -

返回:

inverse

public static RSAPrivateKey inverse(RSAPublicKey publicKey)

对于某些jdk不支持公钥解密及签名，所以要反转公钥为私钥 公钥伪造成私钥来支持解密及签名

参数:

publicKey -

返回:

toPkcs1

public static String toPkcs1(RSAPublicKey publicKey)

MIGJAoGBAKVpbo/Wum3G5ciustuKNGvPX/rgkdZw33QGqBR5UOKUoD5/h/IeQlS7ladX+oa+ciVCXyP854Zq+0RVQ7x87DfAohLmyXlIGOJ7KLJZkUWDYSG0WsPbnTOEmxQcRzqEV5g9pVHIjgPH6N/j6HHKRs5xDEd3pVpoRBZKEncbZ85xAgMBAAE=

ASN1 Encode The RSA Public key PEM file is specific for RSA keys.

convert public key to pkcs1 format

参数:

publicKey -

返回:

fromPkcs1

public static RSAPublicKey fromPkcs1(String pkcs1PublicKey)

parse public key from pkcs1 format

参数:

pkcs1PublicKey - encoded base64 pkcs1 public key

返回:

toPkcs8

public static String toPkcs8(RSAPublicKey publicKey)

MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClaW6P1rptxuXIrrLbijRrz1/64JHWcN90BqgUeVDilKA+f4fyHkJUu5WnV/qGvnIlQl8j/OeGavtEVUO8fOw3wKIS5sl5SBjieyiyWZFFg2EhtFrD250zhJsUHEc6hFeYPaVRyI4Dx+jf4+hxykbOcQxHd6VaaEQWShJ3G2fOcQIDAQAB DER Encode convert public key to x509 pkcs8 fromat

参数:

publicKey -

返回:

fromPkcs8

public static RSAPublicKey fromPkcs8(String pkcs8PublicKey)

parse public key from base64 X509 pkcs8 fromat

参数:

pkcs8PublicKey - encoded base64 x509 pkcs8 fromat

返回:

RSAPublicKey

toPkcs8Pem

public static String toPkcs8Pem(RSAPublicKey publicKey)

-----BEGIN PUBLIC KEY----- MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQClaW6P1rptxuXIrrLbijRrz1/6 4JHWcN90BqgUeVDilKA+f4fyHkJUu5WnV/qGvnIlQl8j/OeGavtEVUO8fOw3wKIS 5sl5SBjieyiyWZFFg2EhtFrD250zhJsUHEc6hFeYPaVRyI4Dx+jf4+hxykbOcQxH d6VaaEQWShJ3G2fOcQIDAQAB -----END PUBLIC KEY-----

new PemObject("RSA PUBLIC KEY", toPkcs8Encode(publicKey)) convert public key to pem fromat (pkcs8)

参数:

publicKey -

返回:

fromPkcs8Pem

public static RSAPublicKey fromPkcs8Pem(String pemPublicKey)

parse public key from pem format

参数:

pemPublicKey - encoded pem public key

返回:

getKeyLength

public static int getKeyLength(RSAKey rsaKey)

Gets the rsa key length

参数:

rsaKey - the rsa key

返回:

a int number of key bit length