Cryptography is the collective term for algorithmic techniques used to secure data from unauthorized entities.

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Why are there so many files in C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys

I am running out of disk space on C:-drive. We see many (millions of) files in C:\ProgramData\Microsoft\Crypto\RSA\MachineKeys What are these files ? Why are so many files created? How can we ...
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Generate a public key certificate signed by CA with OpenSSL

I am working on a webservice that requires a signature in the sent and received messages. After sending a certificate request to the entity that will consume the webservice, they sent me (in addition ...
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1answer
846 views

Openssl decrypt from encrypted text from command issue

I am using following command to decrypt an base64 string. openssl enc -in ciphertext -out binarytext -d -a openssl rsautl -decrypt -in binarytext -out plaintext -inkey private.pem I am facing an ...
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Viewing and listing keys in MSCAPI CSP containers

I have a MSCAPI container created and hosted within a Windows Server 2003 environment. How do I use the command line to list keys and their details within the container onto the command line ?
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gpg keyserver duplicates signatures on my key

I created a new GPG key (rsa + rsa subkey), let's call it key1, and uploaded it to the keyserver. It has two uids. Later I signed this new key with another key (let's call it key2), and uploaded the ...
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How to change cryptography method at TLS protocol on Localhost(XAMPP)?

How do I change the cryptography method at SSL/TLS protocol on Localhost(XAMPP)? I want to use Blowfish as symmetric cypher, and RSA for PKC....
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255 views

How to conduct a rolling data corruption test of a network connection?

I had problems installing some software packages on a Windows XP computer. I started troubleshooting the problem and at the end I decided to do a cryptographic test, and bingo! I had found the reason ...