RSAUtils 2.5.2 API

All Implemented Interfaces:


public class RSAUtils

openssl genpkey -out rsa_key.pem -algorithm RSA -pkeyopt rsa_keygen_bits:2048

Author:: CJ

Nested Class Summary

Nested Classes
Modifier and Type	Class	Description

Field Summary

Fields
Modifier and Type	Field	Description
`public final static RSAUtils`	`INSTANCE`

Constructor Summary

Constructors
Constructor	Description

Enum Constant Summary

Enum Constants
Enum Constant	Description

Method Summary

Modifier and Type	Method	Description
`final static KeyPair`	`generatePrivateKey(Integer keySize)`
`final static RSAPrivateKey`	`readPrivateKeyFromPKCS8(String key)`
`final static KeyPair`	`readKeyPairFromPKCS8(String key)`
`final static String`	`signatureAsBase64(PrivateKey key, ByteArray payload)`	用 SHA256withRSA 签名
`final static Boolean`	`verify(PublicKey publicKey, ByteArray payload, String signatureBase64)`	使用 SHA256withRSA 验签
`final static String`	`readPublicKeyPem(RSAPrivateKey privateKey)`	从私钥中读取公钥并且写入到 pem(x509)格式
`final static RSAPublicKey`	`readPublicKey(String key)`

Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

- Constructor Detail
- Method Detail
  - generatePrivateKey
```
 final static KeyPair generatePrivateKey(Integer keySize)
```
    Returns:
    
    随机私钥对
  - readPrivateKeyFromPKCS8
```
 final static RSAPrivateKey readPrivateKeyFromPKCS8(String key)
```
    Parameters:
    
    key - pem(pkcs8) 格式的rsa 密钥
  - readKeyPairFromPKCS8
```
 final static KeyPair readKeyPairFromPKCS8(String key)
```
    Parameters:
    
    key - pem(pkcs8) 格式的rsa 密钥
    
    Returns:
    
    KeyPair
    
    Since:
    
    1.3.0
  - signatureAsBase64
```
 final static String signatureAsBase64(PrivateKey key, ByteArray payload)
```
    用 SHA256withRSA 签名
    
    Returns:
    
    签名并且 base64 后的字符
  - verify
```
 final static Boolean verify(PublicKey publicKey, ByteArray payload, String signatureBase64)
```
    使用 SHA256withRSA 验签
    
    Parameters:
    
    publicKey - 公钥
    
    payload - 数据
    
    signatureBase64 - base64后的签名
  - readPublicKeyPem
```
 final static String readPublicKeyPem(RSAPrivateKey privateKey)
```
    从私钥中读取公钥并且写入到 pem(x509)格式
  - readPublicKey
```
 final static RSAPublicKey readPublicKey(String key)
```
    Parameters:
    
    key - pem(x509)格式的公钥