Tag Archives: key

Windows: Set a registry key (Default) value by command line

Hi,

all registry keys have an default value. The default value cannot be set by its name “(Default)”, it must be set with specific option of reg.exe.

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Linux: Convert an openssh key into putty ppk format

Hi,

you want to use a openssh generated ssh key with Putty and PuttyAgent and get an error message like this:

openssh key inport error
openssh key inport error

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Linux: Creating a ssh keypair with ssh-keygen

Hi,

ssh-keygen can be used to generate a new ssh key pair.

Continue reading Linux: Creating a ssh keypair with ssh-keygen

OpenSSL: Asymmetric en- and decryption of a file


Hi,

this post describes the en- and decryption of a file with a asymmetric encryption algorithm.

Asymmetric encryption means you encrypt data by a public key and can only decrypt this data with a private key associated with the public key.
Continue reading OpenSSL: Asymmetric en- and decryption of a file

OpenSSL: Symmetric en- and decryption of a file


Hi,

this post describes the en- and decryption of a file with a symmetric encryption algorithm.

Symmetric encryption means encryption and decryption is only possible with the same secret/password.
Continue reading OpenSSL: Symmetric en- and decryption of a file