1. A method, comprising: accessing, from at least one storage device, encrypted medical dictation information; decrypting, using a first decryption key, the encrypted medical dictation information to produce decrypted medical dictation information; performing, by at least one speech recognition engine, speech recognition on the decrypted medical dictation information to produce an unencrypted speech recognition result; discarding the first decryption key and the decrypted medical dictation information; and retaining the encrypted medical dictation information on the at least one storage device.