At the time, a gag order prevented him from discussing the details of his situation. But court documents unsealed on Wednesday reveal that the FBI wanted Levinson to hand over encryption keys that would have given federal agents "real time" access to not just Snowden's account, but the accounts of all 40,000 of Lavabit's customers. § [...] § He certainly deserves credit for his pluck. Levinson complied with the letter of the order, but he delivered the encryption keys as strings of numbers printed out on paper, rather than as electronic files. What's more, he intentionally printed them in a font designed to be hard to scan, one prosecutors described as "largely illegible."