From ade8edd697b628c040917830a21a1df3e3512e9e Mon Sep 17 00:00:00 2001 From: Heiko Schaefer Date: Tue, 21 Nov 2023 10:31:41 +0100 Subject: [PATCH] link to cryptographic hashes --- book/source/03-cryptography.md | 1 + book/source/04-certificates.md | 2 +- 2 files changed, 2 insertions(+), 1 deletion(-) diff --git a/book/source/03-cryptography.md b/book/source/03-cryptography.md index 560d24e..166e869 100644 --- a/book/source/03-cryptography.md +++ b/book/source/03-cryptography.md @@ -6,6 +6,7 @@ SPDX-License-Identifier: CC-BY-SA-4.0 (cryptography_chapter)= # Cryptographic concepts and terms +(crypto-hash)= ## Cryptographic hash functions [Cryptographic hash functions](https://en.wikipedia.org/wiki/Cryptographic_hash_function) take data strings of any length (like a text message or file) and output a fixed-size code, a "hash digest," which is often abbreviated as either "digest" or "hash." A hash digest acts like a unique identifier for the original data. diff --git a/book/source/04-certificates.md b/book/source/04-certificates.md index f0220bb..b0119ad 100644 --- a/book/source/04-certificates.md +++ b/book/source/04-certificates.md @@ -78,7 +78,7 @@ Each OpenPGP component key possesses an *OpenPGP fingerprint*. This fingerprint :name: fig-fingerprint :alt: Depicts a box with white background and the title "Fingerprint of an OpenPGP component key". Inside, another box with a green frame, the title "Component Key", the text "key creation time" on the lower left and a the green public key symbol on the lower right is shown. Below the component key box a fingerprint in a box with a light-yellow background and a yellow dotted line is depicted. The word "Fingerprint" is shown left of the box with the fingerprint and both are connected with a yellow dotted line. -Every OpenPGP component key is identifiable by a fingerprint. Although it's technically possible for different keys to share a fingerprint, cryptographic mechanisms make it exceedingly difficult, if not practically impossible with current technology, to find keys that share a fingerprint. +Every OpenPGP component key is identifiable by a fingerprint. Although it's technically possible for different keys to share a fingerprint, [cryptographic mechanisms](crypto-hash) make it exceedingly difficult, if not practically impossible with current technology, to find keys that share a fingerprint. ``` The fingerprint of our example OpenPGP component key is `C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94`[^keyid].