Implement SSH Host Key Management (Phase 1): Generate/Load/Rotate Ed25519 keys

Cargo.lock

@@ -2888,6 +2888,7 @@ dependencies = [
  "filetree",
  "flate2",
  "futures-util",
+ "hex",
  "hmac 0.12.1",
  "log",
  "md5 0.8.0",
@@ -2926,6 +2927,7 @@ dependencies = [
  "x25519-dalek",
  "xz2",
  "zip",
+ "zstd 0.13.3",
 ]
 
 [[package]]
@@ -7067,6 +7069,15 @@ dependencies = [
  "zstd-safe 6.0.6",
 ]
 
+[[package]]
+name = "zstd"
+version = "0.13.3"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "e91ee311a569c327171651566e07972200e76fcfe2242a4fa446149a3881c08a"
+dependencies = [
+ "zstd-safe 7.2.4",
+]
+
 [[package]]
 name = "zstd-safe"
 version = "5.0.2+zstd.1.5.2"
@@ -7087,6 +7098,15 @@ dependencies = [
  "zstd-sys",
 ]
 
+[[package]]
+name = "zstd-safe"
+version = "7.2.4"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "8f49c4d5f0abb602a93fb8736af2a4f4dd9512e36f7f570d66e65ff867ed3b9d"
+dependencies = [
+ "zstd-sys",
+]
+
 [[package]]
 name = "zstd-sys"
 version = "2.0.16+zstd.1.5.7"