ref: 2cdc6577ef8a251bf1740439cf5bfc47050dab41 dir: /third_party/boringssl/src/ssl/test/runner/ed25519_key.pem/
-----BEGIN PRIVATE KEY----- MC4CAQAwBQYDK2VwBCIEIJ1hsZ3v/VpguoRK9JLsLMREScVpezJpGXA7rAMcrn9g -----END PRIVATE KEY-----