文字懸浮加密

There are 9 encryption methods, including 5 text reversible encryption and 4 irreversible encryption:
Symmetric encryption:
DES reversible
3DES reversible
AES reversible

Asymmetric encryption:
RSA reversible
DSA irreversible
ECC reversible

Hash Algorithm:
MD5 irreversible
SHA1 is irreversible
HMAC irreversible

And designed for floating buttons, you can encrypt while chatting