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ECC stands for Elliptic Curve Cryptography. Elliptic curves are a mathematical structure which allow to define cryptographic operations on them.

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Why does ECC not have an encrypt capability in GPG, but RSA does?

Create an online subkey with capabilities: "Authenticate" Create an online subkey with capabilities: "Encrypt" The above guides are using RSA-4096, but based on my other readings it seems like using ECC … I was playing with the tools in a temporary GNUPGHOME, and I was able to setup an ECC primary key, but when I sent to generate the "encrypt" subkey, I noticed there didn't seem to be an encryption capability …
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