What’s the point of providing file checksums for verifying downloads?

Many projects offering binaries, also offer hashes (e.g. SHA256) of those binaries, wither as .ASC files, or directly on the web page near the binary. This isn’t to protect against network-caused corruption, as that’s ensured by the TCP pr… Continue reading What’s the point of providing file checksums for verifying downloads?

What prevents me from using a some server’s public key and impersonate another server [duplicate]

I read alot regarding RSA encryption/DH key exchange/digital signatures and the whole TLS protocol.
There’s something i am missing regarding the public key signatue validation.
Let say some website has a certificate signed with its private… Continue reading What prevents me from using a some server’s public key and impersonate another server [duplicate]

How to pass both passphrase and password in GPG signed symmetric encryption?

I am new to GPG so I may be going about this all wrong. I have some files I would like to encrypt symmetrically using AES256, but I want to sign them with my GPG key. I need to automate this process however so I’m using –batch and I pas… Continue reading How to pass both passphrase and password in GPG signed symmetric encryption?