public-key-encryption

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C# How to simply encrypt a text file with a PGP Public Key?

I\'ve researched a bit about how to achieve what I said in the question and found several APIs but most of them look very complicated and since I\'m just a noobie in this area I just want a simple met[详细]

2023-01-25 02:11 分类：问答
Cracking short RSA keys

Given the following RSA keys, how does one go about determining what the values of 开发者_如何学JAVAp and q are?[详细]

2023-01-22 22:16 分类：问答
iphone OS! RSA Encryption with public key generated by Bouncy Castle (Java)

I\'m developing an application on iphone. I had an applicat开发者_JAVA技巧ion on Java using encryption (RSA) and I created a Private Key and Public Key. I want use the Public Key in Java application o[详细]

2023-01-22 09:58 分类：问答
How to generate ssh compatible id_rsa(.pub) from Java

I\'m looking for a way to programmatically create ssh compatible id_rsa and id_rsa.pub files in Java.[详细]

2023-01-15 20:55 分类：问答
Authenticating a user over HTTP (instead of HTTPS)

INITIAL NOTE:This is just for a personal tinkering project; I\'m not writing enterprise security here, and if I were, I\'d know better than to try to write my own scheme. :-D[详细]

2023-01-13 16:53 分类：问答
Encrypting large files using a public key

I need to encrypt a 100KB file using a public key. I\'开发者_StackOverflow中文版ve been reading some posts claiming that it is not practical to directly encrypt large files using a public key, and tha[详细]

2023-01-12 04:54 分类：问答
How to send and receive encrypted email using PHP

I work at a hospital and have developed a way to estimate the total patient financial responsibility for services, after insurance has paid it\'s obligation, and before any services are rendered. A lo[详细]

2023-01-07 09:16 分类：问答
Rainbow tables as a solution to large prime factoring

In explanations I\'ve read about public key cryptography, it is said that some large number is come up with by multiplying together 2 extremely large primes. Since factoring the product of large prime[详细]

2023-01-07 06:57 分类：问答
Getting IllegalBlockSize when trying to encrypt too much data

Here are my constants //Encryption fields /** Algorithm=RSA Mode=ECB Padding=PKCS1Padding*/ pub开发者_StackOverflow中文版lic static final String ALGORITHM_MODE_PADDING = \"RSA/ECB/PKCS1Padding\";[详细]

2023-01-05 17:53 分类：问答
Encryption Product Keys : Public and Private key encryption

I need to generate and validate product keys and have been thinking about using a public/private key system.[详细]

2023-01-03 14:04 分类：问答