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[CA auth] security DL : 0: 说明： 1、里面有什么： 1.1、org.bouncycastle.*下的所有软件是bouncycastle组织开发的软件包 1.2、org.infosecurity.*下的软件包括： DES_CBC算法的实现 RSA算法的实现（包括：密钥生成、公钥加密和私钥解密、数字签名及签名验证）数字信封的实现　利用数字信封实现大文件的加密、解密。 2、有什么用：　　2.1 研究、学习信息安全中的密码学设计与实现技术。　　2.2 当然如果大家觉得在其它地方用的上，我会觉得很高兴的。 3、还有什么改进： 3.1 对文件加密、解密的时候要频繁的IO，如果加一个缓冲区，比如10K、50K等，只有缓冲区满了才写入DISK这样将提高效率。 3.2 RSA私钥积存的时候可以按PKCS8形式，再经BASE64编码保存比较好。-Note : 1, mean there : 1.1, org.bouncycastle .* of all software development organizations is bouncycastle package 1.2, org.infosecurity .* The software includes : DES_CBC algorithm to achieve the realization of the RSA algorithm (including : key generation, public key and private key encryption decryption, digital signatures and signature verification), the realization of digital envelope using digital envelope realize document encryption, decryption. Two, what is the use of : 2.1, learning the information security cryptography design and technology. 2.2 Of course, if you think in the other parts, I feel very happy. Three, what is there for improvement : 3.1 pairs of file encryption, decryption, and the time to frequent the IO, plus a buffer, such as 10K, 50K, the only buffer is needed for
Date : 2008-10-13 Size : 208.58kb User : 雷敏
[CA auth] security DL : 0: 说明： 1、里面有什么： 1.1、org.bouncycastle.*下的所有软件是bouncycastle组织开发的软件包 1.2、org.infosecurity.*下的软件包括： DES_CBC算法的实现 RSA算法的实现（包括：密钥生成、公钥加密和私钥解密、数字签名及签名验证）数字信封的实现　利用数字信封实现大文件的加密、解密。 2、有什么用：　　2.1 研究、学习信息安全中的密码学设计与实现技术。　　2.2 当然如果大家觉得在其它地方用的上，我会觉得很高兴的。 3、还有什么改进： 3.1 对文件加密、解密的时候要频繁的IO，如果加一个缓冲区，比如10K、50K等，只有缓冲区满了才写入DISK这样将提高效率。 3.2 RSA私钥积存的时候可以按PKCS8形式，再经BASE64编码保存比较好。-Note : 1, mean there : 1.1, org.bouncycastle .* of all software development organizations is bouncycastle package 1.2, org.infosecurity .* The software includes : DES_CBC algorithm to achieve the realization of the RSA algorithm (including : key generation, public key and private key encryption decryption, digital signatures and signature verification), the realization of digital envelope using digital envelope realize document encryption, decryption. Two, what is the use of : 2.1, learning the information security cryptography design and technology. 2.2 Of course, if you think in the other parts, I feel very happy. Three, what is there for improvement : 3.1 pairs of file encryption, decryption, and the time to frequent the IO, plus a buffer, such as 10K, 50K, the only buffer is needed for
Date : 2025-12-26 Size : 208kb User : 雷敏
[CA auth] rsa2 DL : 0: 公钥密码！主要是实现文件的加密和解密功能，突破传统对称的密码体制的缺点，对网络密钥的分配起到了很好的作用-Public-Key Cryptography! Mainly the realization of the document encryption and decryption functions, has broken through the traditional symmetric cryptosystem shortcomings, the distribution of keys on the network has played a good role
Date : 2025-12-26 Size : 1kb User : zhongyingjie
[CA auth] RSAshixian DL : 0: RSA算法源码及大数运算的实现原理，可以好好学大数的实现和运算，是学习rsa的号文件-RSA algorithm source code and the implementation principle of operation of large numbers, you can learn a good implementation and operation of large numbers, the document is to learn rsa
Date : 2025-12-26 Size : 854kb User : 李超群
[CA auth] Decrypt.rar DL : 0: 加密的几种常用的源码包，应用于数据库表部分字段的加密，图象文件等文档加密，双方通信时数据加密传输防他人网络截取信息。非对称RSA或ECC公钥加密私钥解密或者可用于数字签名对称加密AES或者DES,56位的DES加密，128位或192位或256位AES加解密通常可设随便的密码长度，其它位用常字符代替；非对称加密多要先因式分解，对称加密多就移位处理。,Several common source package encryption, encryption, image files, and other document encryption applied to the part of the field of the database table, the two sides communicate data encryption transmission Anti others network interception. The asymmetric RSA or ECC public key to encrypt the private key to decrypt or can be used for digital signatures symmetric encryption AES or DES, 56-bit DES encryption, 128-bit or 192-bit or 256-bit AES encryption and decryption usually can be set casually password length, other bits instead of using the regular characters asymmetric encryption first multi factorization, symmetric encryption shift process.
Date : 2025-12-26 Size : 208kb User : 曾祥园
[CA auth] rsa DL : 0: RSA算法实现及RSA签名,此文件包括c源码，具体看说明。-RSA and RSA signature algorithm, this document, including c-source, see the specific instructions.
Date : 2025-12-26 Size : 36kb User : huangzhiyi