Certificates from successful pair are now saved to disk

Cargo.lock

@@ -201,6 +201,27 @@ dependencies = [
  "cc",
 ]
 
+[[package]]
+name = "directories"
+version = "6.0.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "16f5094c54661b38d03bd7e50df373292118db60b585c08a411c6d840017fe7d"
+dependencies = [
+ "dirs-sys",
+]
+
+[[package]]
+name = "dirs-sys"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e01a3366d27ee9890022452ee61b2b63a67e6f13f58900b651ff5665f0bb1fab"
+dependencies = [
+ "libc",
+ "option-ext",
+ "redox_users",
+ "windows-sys 0.59.0",
+]
+
 [[package]]
 name = "displaydoc"
 version = "0.2.5"
@@ -287,6 +308,7 @@ version = "0.1.0"
 dependencies = [
  "anyhow",
  "axum",
+ "directories",
  "getrandom 0.3.3",
  "hex",
  "libc",
@@ -617,6 +639,16 @@ dependencies = [
  "windows-targets 0.53.2",
 ]
 
+[[package]]
+name = "libredox"
+version = "0.1.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "1580801010e535496706ba011c15f8532df6b42297d2e471fec38ceadd8c0638"
+dependencies = [
+ "bitflags",
+ "libc",
+]
+
 [[package]]
 name = "litemap"
 version = "0.8.0"
@@ -754,6 +786,12 @@ dependencies = [
  "vcpkg",
 ]
 
+[[package]]
+name = "option-ext"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "04744f49eae99ab78e0d5c0b603ab218f515ea8cfe5a456d7629ad883a3b6e7d"
+
 [[package]]
 name = "parking_lot"
 version = "0.12.3"
@@ -945,6 +983,17 @@ dependencies = [
  "bitflags",
 ]
 
+[[package]]
+name = "redox_users"
+version = "0.5.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "dd6f9d3d47bdd2ad6945c5015a226ec6155d0bcdfd8f7cd29f86b71f8de99d2b"
+dependencies = [
+ "getrandom 0.2.16",
+ "libredox",
+ "thiserror 2.0.12",
+]
+
 [[package]]
 name = "regex"
 version = "1.11.1"