jiě​mì

declassify

解密 jiě​mì
declassify verb
to remove the secret or restricted status of documents or information, making them accessible to the public

The government decided to declassify these top-secret files after fifty years.

decrypt verb
to convert encrypted data or code back into its original, readable form

Because he forgot the password, he could not decrypt this important file.

Frequency

Movie subtitles
2.53 per million appears in 1% of films
Written text
0.659 per million

Sources

Definitions
CC-CEDICT