diff --git a/book/source/diag/OpenPGP Certificate.png b/book/source/diag/OpenPGP Certificate.png
index e7e0f9b..04bc8cd 100644
Binary files a/book/source/diag/OpenPGP Certificate.png and b/book/source/diag/OpenPGP Certificate.png differ
diff --git a/book/source/diag/OpenPGP Certificate.svg b/book/source/diag/OpenPGP Certificate.svg
index 5737d81..9a252c6 100644
--- a/book/source/diag/OpenPGP Certificate.svg
+++ b/book/source/diag/OpenPGP Certificate.svg
@@ -3,150 +3,74 @@
viewBox="0 0 670.41901 716.77217"
version="1.1"
id="svg1"
- sodipodi:docname="diag_library_draft.svg"
- inkscape:version="1.3 (0e150ed6c4, 2023-07-21)"
width="670.41901"
height="716.77216"
xml:space="preserve"
- xmlns:inkscape="http://www.inkscape.org/namespaces/inkscape"
- xmlns:sodipodi="http://sodipodi.sourceforge.net/DTD/sodipodi-0.dtd"
xmlns="http://www.w3.org/2000/svg"
xmlns:svg="http://www.w3.org/2000/svg">Sea green#18A589Teal#006961OpenPGP CertificatePrimary Component KeyComponent Key (primary)AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 7F33 00F9 FB0E C457 378C D29F 1026 98B37F33 00F9 FB0E C457 378C D29F 1026 98B3- key creation timeD07B 24EC 91A1 4DD2 40AC 2D53 E6C8 A9E0 D07B 24EC 91A1 4DD2 40AC 2D53 E6C8 A9E0 5494 9A41 222E A738 576E D19C AEA3 DC995494 9A41 222E A738 576E D19C AEA3 DC99signing- key creation timeencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94
+ id="tspan14">BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94AliceUser IDAlice Adams <alice@example.org>User ID
diff --git a/book/source/diag/diag_library_draft.svg b/book/source/diag/diag_library_draft.svg
index d0efb25..ab39d6a 100644
--- a/book/source/diag/diag_library_draft.svg
+++ b/book/source/diag/diag_library_draft.svg
@@ -13,7 +13,55 @@
xmlns:xlink="http://www.w3.org/1999/xlink"
xmlns="http://www.w3.org/2000/svg"
xmlns:svg="http://www.w3.org/2000/svg">Peach redDark slategray#baa600Text color greyDark Slate Grey#E4349#3e4349Dusky greenTeal#006961#006961PLAPLA
ININOpenPGP CertificateOpenPGP CertificateAlice Adams <alice@example.org>User IDPrimary Component KeyComponent Key (primary)AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 7F33 00F9 FB0E C457 378C D29F 1026 98B37F33 00F9 FB0E C457 378C D29F 1026 98B3- key creation timeD07B 24EC 91A1 4DD2 40AC 2D53 E6C8 A9E0 D07B 24EC 91A1 4DD2 40AC 2D53 E6C8 A9E0 5494 9A41 222E A738 576E D19C AEA3 DC995494 9A41 222E A738 576E D19C AEA3 DC99- key creation timeC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94
+ id="tspan47">BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94AliceUser IDAlice Adams <alice@example.org>User ID