Page History

$ gpg2 --edit-key 刚才的一串数字
gpg (GnuPG) 2.2.4; Copyright (C) 2017 Free Software Foundation, Inc.
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.

Secret key is available.

gpg: checking the trustdb
gpg: marginals needed: 3  completes needed: 1  trust model: pgp
gpg: depth: 0  valid:   2  signed:   0  trust: 0-, 0q, 0n, 0m, 0f, 2u
gpg: next trustdb check due at 2020-01-30
sec  rsa4096/2206EF8F64C35889
     created: 2019-09-25  expires: never       usage: SC
     trust: ultimate      validity: ultimate
ssb  rsa4096/2C8DBF57147E3901
     created: 2019-09-25  expires: never       usage: E
[ultimate] (1). your name (Apache IoTDB release signing key) <someone@apache.org>

gpg> showpref
这里输入showpref
[ultimate] (1). your name (Apache IoTDB release signing key) <someone@apache.org>
     Cipher: AES256, AES192, AES, 3DES
     Digest: SHA512, SHA384, SHA256, SHA224, SHA1
     Compression: ZLIB, BZIP2, ZIP, Uncompressed
     Features: MDC, Keyserver no-modify

如果顺序不同，可以调整
gpg> setpref SHA512 SHA384 SHA256 SHA224 SHA1 AES256 AES192 AES 3DES ZLIB BZIP2 ZIP Uncompressed
这里按序输入 Digest Cipher Compression 三项的值