哪

nǎ how; which

na (particle equivalent to 啊 after noun ending in -n)

něi which? (interrogative, followed by classifier or numeral-classifier)

有

yǒu to have; there is; there are; to exist; to be

加密

jiā mì to encrypt; encryption; to protect with a password

找

zhǎo to try to find; to look for; to call on sb; to find; to seek; to return; to give change

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