feat: ecdh encrypt

Cargo.toml

@@ -8,7 +8,6 @@ description = "A simple and tiny file encrypt tool"
 # See more keys and their definitions at https://doc.rust-lang.org/cargo/reference/manifest.html
 
 [dependencies]
-aes-gcm = { version = "0.10.1", features = ["zeroize"] }
 aes-gcm-stream = "0.2.0"
 base64 = "0.21.0"
 chrono = "0.4.23"
@@ -17,14 +16,13 @@ flate2 = "1.0.27"
 hex = "0.4.3"
 openpgp-card = "0.3.7"
 openpgp-card-pcsc = "0.3.0"
-p256 = { version = "0.13.2", features = ["pem", "ecdh"] }
+p256 = { version = "0.13.2", features = ["pem", "ecdh", "pkcs8"] }
 rand = "0.8.5"
 reqwest = { version = "0.11.14", features = ["blocking", "rustls", "rustls-tls"] }
 rpassword = "7.2.0"
 rsa = { version = "0.9.2", features = ["pem"] }
 rust_util = "0.6.42"
 serde = { version = "1.0.152", features = ["derive"] }
-serde-hjson = "0.9.1"
 serde_json = "1.0.93"
 sha256 = "1.4.0"
 simpledateformat = "0.1.4"