SEC1
acronymcryptography
Stands for: Standards for Efficient Cryptography 1
A standard format for encoding elliptic-curve private keys.
Standards for Efficient Cryptography 1 defines an elliptic-curve key encoding, distinct from the PKCS#1 (RSA) and PKCS#8 (generic) formats. A private key file may be in any of these, wrapped in either PEM or DER.
Also known as: sec1, sec 1