cryptogram

🇬🇧/ˈkrɪptə(ʊ)græm/ 🇺🇸/ˈkrɪptəˌɡræm/ 36

a text written in code.a symbol or figure with secret or occult significance.

The ECC and classical public key cryptogram system are compared.
比较了ECC与经典公钥密码体系间的优劣；

-gram- graph(y),gram=write,表示“写，图”"cryptogram n. 密码（crypto 秘密+gram→秘密写→密码）

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