密钥

Traditional form:

密鑰

Pinyin (reading):

mìyào

Definitions:

• (cryptography) key

Characters:

• 密 - secret, confidential; intimate, close; dense, thick
• 钥 - lock, key

Traditional characters:

• 密 - secret, confidential; intimate, close; dense, thick
• 鑰 - lock, key