diff --git a/book/source/diag/diag_library_draft.svg b/book/source/diag/diag_library_draft.svg
index 74e1e0f..bd7f0b2 100644
--- a/book/source/diag/diag_library_draft.svg
+++ b/book/source/diag/diag_library_draft.svg
@@ -14,6 +14,1078 @@
xmlns="http://www.w3.org/2000/svg"
xmlns:svg="http://www.w3.org/2000/svg">#EB5937#195962Sea green#18A589D07B 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 DC99C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94AAA1 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 98B3Fingerprint of an OpenPGP
Fingerprint of an OpenPGP
component key component key C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94Primary key creates a "subkey binding signature" to bind the subkey to the primary keyComponent Key Component Key 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 98B3D07B 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 DC99C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94D07B 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 DC99C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94AAA1 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 98B3AAA1 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 98B3Subkey binding signatureComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timePrimary key creates a subkey binding signature to bind the subkey to the primary keyComponent Key (primary)AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 7F33 00F9 FB0E C457 378C D29F 1026 98B3certification- key creation timeSubkey binding signature- signature creation time- key expiration time- key flags- issuer fingerprintSignature over:Primary keySubkeySignature metadata:Subkey binding signature for signing subkeysPrimary key creates a subkey binding signature to bind the subkey to the primary keyComponent Key (primary)AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 7F33 00F9 FB0E C457 378C D29F 1026 98B3certification- key creation timeSubkey binding signature- signature creation time- key expiration time- key flags- issuer fingerprintSignature over:Primary keySubkeySignature metadata:- signature creation time- issuer fingerprintSignature over:Primary keySigning Subkey- Embedded signature:
Primary key bindingSigning key creates a primary binding signature to associate the primary key to the subkeyComponent KeyD07B 24EC 91A1 4DD2 40AC 2D53 E6C8 A9E0 5494 9A41 222E A738 576E D19C AEA3 DC99signing- key creation timeSubkey binding signatureComponent KeyencryptionC0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94- key creation timeUser ID binding signatureComponent Key (primary)Component Key (primary)AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 7F33 00F9 FB0E C457 378C D29F 1026 98B3AAA1 8CBB 2546 85C5 8358 3205 63FD 37B6 7F33 00F9 FB0E C457 378C D29F 1026 98B3certificationcertification- key creation time- key creation timePrimary key creates a User ID binding signature to associate the User ID with the primary keyUser ID binding signature- signature creation time- key expiration time- primary User ID flag- algorithm preferences- key expiration time
(primary key)- key flags (primary key)Signature over:Primary keyUser IDSignature metadata:Secret-Key packetsecret key material101010110101011010101s2k_usage (encryption information)1010101101010110101011010101public key materialpk_algo1010101creation_time1010101version1010101Certificate packet listSignature packetSubkey binding signatureSubkey binding signature- signature creation time- key expiration time- key flags- issuer fingerprintAdditional MetadataPublic-Subkey packetSignature over:Signature packet- primary keySubkey binding signature- subkeyPublic-Subkey packetSignature packetSubkey binding signaturePublic-Subkey packetUser ID packet Signature packetCertifying self-signature for User IDSignature packetDirect Key SignaturePublic-Key packetSignature packetDirect Key SignatureSecret-Key packetPublic part of an Public part of an asymmetric keypairasymmetric keypair
+ id="tspan23">- key flags- issuer fingerprintSignature over:Primary keySubkeySignature metadata:
diff --git a/book/source/diag/user_id_certification.png b/book/source/diag/user_id_certification.png
new file mode 100644
index 0000000..1765602
Binary files /dev/null and b/book/source/diag/user_id_certification.png differ
diff --git a/book/source/diag/user_id_certification.svg b/book/source/diag/user_id_certification.svg
new file mode 100644
index 0000000..4911722
--- /dev/null
+++ b/book/source/diag/user_id_certification.svg
@@ -0,0 +1,726 @@
+
+
diff --git a/book/source/diag/user_ids.png b/book/source/diag/user_ids.png
index e479b8c..1acf91b 100644
Binary files a/book/source/diag/user_ids.png and b/book/source/diag/user_ids.png differ
diff --git a/book/source/diag/user_ids.svg b/book/source/diag/user_ids.svg
index 8845160..b1ba910 100644
--- a/book/source/diag/user_ids.svg
+++ b/book/source/diag/user_ids.svg
@@ -46,22 +46,6 @@
only_selected="false"
hide_knots="false" />C0A5 8384 A438 E5A1 4F73 7124 26A4 D45D BAEE F4A3 9E6B 30B0 9D55 13F9 78AC CA94FingerprintPrimary key creates a "subkey binding signature" to bind the subkey to the primary keyAAA1 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
+ id="g48-6"
+ transform="matrix(0.46542009,0,0,0.46542009,798.17274,890.97266)">