Including parts of Chapter 11 and Section 9.6.3 of [Hai19]
(Usage hints for this presentation)
Computer Structures and Operating Systems 2019
Dr. Jens Lechtenbörger (License Information)
De-Mail is a German approach defining legally binding, “secure” e-mail
gpg --version… gpg (GnuPG) 2.1.13 … Öff. Schlüssel: RSA, ELG, DSA, ECDH, ECDSA, EDDSA Verschlü.: IDEA, 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH, CAMELLIA128, CAMELLIA192, CAMELLIA256 Hash: SHA1, RIPEMD160, SHA256, SHA384, SHA512, SHA224
Hi Bob, let's get started tomorrow! Best wishes Alice
gpg --print-md SHA1 alice.txt
gpg --print-md SHA256 alice.txt
Submit a solution for the following task in Learnweb.
Discuss the correctness of the following statements.
gpg -e -a -r Bob file
file.asc; more precisely:
Verification whether [M] sent by Alice and unchanged along the way
gpg --sign -a -b alice.txt
gpg --verify alice.txt.asc
Answer the following questions in Learnweb.
This document is part of an Open Educational Resource (OER) course on Operating Systems. Source code and source files are available on GitLab under free licenses.
Except where otherwise noted, this work, “OS11: Security”, is © 2017, 2018, 2019 by Jens Lechtenbörger, published under the Creative Commons license CC BY-SA 4.0.
In particular, trademark rights are not licensed under this license. Thus, rights concerning third party logos (e.g., on the title slide) and other (trade-) marks (e.g., “Creative Commons” itself) remain with their respective holders.