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[liberationtech] Testers sought for PassLok privacy

Francisco Ruiz ruiz at
Sun Jan 25 10:47:07 PST 2015

PassLok is a comprehensive cryptography and steganography toolkit in the
form of a web app. Designed for power and ease of use, it sits alongside
your regular email or any other program to encrypt, decrypt, or hide text
and files. If the browser is webRTC-compatible, it also does real-time chat
involving text, files, audio, and even video.

PassLok combines several open-source libraries to provide auditable
security. The web app consists of a single html file, which can be saved
locally and used offline. Hashes are published for each new version along
with authenticating videos for the SHA256 hash.

The PassLok code is already two years old and is available from several
servers, plus the Chrome, Android, and iOS stores, but it is still little
known. This is why we are asking the Liberation Tech community to take a
look at it and uncover flaws and propose enhancements. Our goal is to make
PassLok the safest, strongest, simplest, most useful app we can.

Many thanks in advance.

Francisco Ruiz


Web app:

Github repo:




Info website:

Current version of PassLok is: 2.1.02
Made on 1/19/15

SHA256 for all web sources:

MD5: 811f-b505-8d84-bcfd-eb7a-04b3-41f1-18b8

SHA1: 8c55-3ef0-5a7f-6451-8dec-b3db-e205-c820-bfcc-60bc

See me reading the SHA256 in this video:

Thank you once again.

Francisco Ruiz
Associate Professor
MMAE department
Illinois Institute of Technology

PL21ezLok=1iw+0_y5xyh_66nby_u12x1_hmdw8_iioou_6yhud_a8/i9_jd4fj_fvv6i_swkrn_u773t_jb7yr_+d9nn_/b4h6_880py_vtf4L_o4zwr_6207u_v/bdd=354ad_7836e_52c1a_2cae9=PL21ezLok <>

get the PassLok privacy app at: <>
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