feat(torrents): harden Aria2 torrent downloads

src-tauri/Cargo.lock

@@ -1369,6 +1369,7 @@ dependencies = [
  "apple-native-keyring-store",
  "async-trait",
  "axum",
+ "base64 0.22.1",
  "chrono",
  "futures-util",
  "hmac 0.13.0",
@@ -1383,6 +1384,7 @@ dependencies = [
  "semver",
  "serde",
  "serde_json",
+ "sha1 0.10.7",
  "sha2 0.11.0",
  "sysinfo",
  "sysproxy",
@@ -4281,6 +4283,17 @@ dependencies = [
  "stable_deref_trait",
 ]
 
+[[package]]
+name = "sha1"
+version = "0.10.7"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "a978451301f4db1d02937a4ab3ccce137717b81826e79b7d49ffe3244a13c3b8"
+dependencies = [
+ "cfg-if",
+ "cpufeatures 0.2.17",
+ "digest 0.10.7",
+]
+
 [[package]]
 name = "sha1"
 version = "0.11.0"
@@ -5632,7 +5645,7 @@ dependencies = [
  "httparse",
  "log 0.4.33",
  "rand 0.10.2",
- "sha1",
+ "sha1 0.11.0",
  "thiserror 2.0.19",
 ]