kzcming的博客

java 根据 KeyPairGenerator对象生成RSA密钥对,并进行测试说明:rsa 算法根据密钥长度, 每轮 加/解密 填充 允许的最大长度,也不相同,这个地方暂时还不知道是怎么计算出来的限制:由于上面的原因,这里暂时只支持 密钥长度为 1024 / 2048 位长度实现:根据 KeyPairGenerator 对象传入密钥长度,随机种子,生成rsa 密钥编码实现 package com.example.demo.util.encrypt;import org.apache.com

Exception in thread "main" javax.crypto.IllegalBlockSizeException: Data must not be longer than 117 bytes    at com.sun.crypto.provider.RSACipher.doFinal(RSACipher.java:344)    at com.sun.crypto.provi...

Exception in thread "main" javax.crypto.BadPaddingException: Decryption error    at sun.security.rsa.RSAPadding.unpadV15(RSAPadding.java:380)    at sun.security.rsa.RSAPadding.unpad(RSAPadding.java:29...

Exception in thread "main" java.security.spec.InvalidKeySpecException: Only RSAPublicKeySpec and X509EncodedKeySpec supported for RSA public keys at sun.security.rsa.RSAKeyFactory.generatePublic(RS...