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+# Tiny-Encrypt-rs Usage
+
+## 1. Install
+
+### 1.1 Install Rust
+
+Install Rust from Official site (https://rustup.rs/):
+
+```shell
+curl --proto '=https' --tlsv1.2 -sSf https://sh.rustup.rs | sh
+```
+
+Or, Install from Chinese mirror site (https://rsproxy.cn/):
+
+```shell
+export RUSTUP_DIST_SERVER="https://rsproxy.cn"
+export RUSTUP_UPDATE_ROOT="https://rsproxy.cn/rustup"
+
+curl --proto '=https' --tlsv1.2 -sSf https://rsproxy.cn/rustup-init.sh | sh
+```
+
+### 1.2 Install tiny-encrypt-rs
+
+Install from Cargo:
+
+```shell
+cargo install tiny-encrypt
+```
+
+Or, Install from source code:
+
+```shell
+git clone https://git.hatter.ink/hatter/tiny-encrypt-rs.git
+cd tiny-encrypt-rs
+cargo install --path .
+```
+
+> You also can clone from GitHub mirror: https://github.com/jht5945/tiny-encrypt-rs
+
+## 2 Get help
+
+```shell
+$ tiny-encrypt --help
+A tiny encrypt client in Rust
+
+Usage: tiny-encrypt <COMMAND>
+
+Commands:
+  encrypt, -e  Encrypt file(s)
+  decrypt, -d  Decrypt file(s)
+  info, -I     Show file info
+  help         Print this message or the help of the given subcommand(s)
+
+Options:
+  -h, --help  Print help
+```
+
+Or, get help for encrypt:
+
+```shell
+$ tiny-encrypt -e --help
+Encrypt file(s)
+
+Usage: tiny-encrypt {encrypt|-e} [OPTIONS] [PATHS]...
+
+Arguments:
+  [PATHS]...  Files need to be decrypted
+
+Options:
+  -c, --comment <COMMENT>
+          Comment
+  -C, --encrypted-comment <ENCRYPTED_COMMENT>
+          Encrypted comment
+  -p, --profile <PROFILE>
+          Encryption profile
+  -x, --compress
+          Compress before encrypt
+  -L, --compress-level <COMPRESS_LEVEL>
+          Compress level (from 0[none], 1[fast] .. 6[default] .. to 9[best])
+  -1, --compatible-with-1-0
+          Compatible with 1.0
+  -R, --remove-file
+          Remove source file
+  -h, --help
+          Print help
+```
+
+## 3 Edit config-rs.json
+
+tiny-encrypt-rs's config file is located at `~/.tinyencrypt/config-rs.json`
+
+A sample config is like this:
+
+```json
+{
+  "envelops": [
+    {
+      "type": "pgp",
+      "kid": "6FAFC0E0170985AA71545483C794B1646A886CD6",
+      "desc": "Card serial no. = 0006 04139321",
+      "publicPart": "-----BEGIN PUBLIC KEY-----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\nhW53WfImja+b5kwwyqUikyMCAwEAAQ==\n-----END PUBLIC KEY-----"
+    },
+    {
+      "type": "ecdh",
+      "kid": "02dd3eebd906c9cf00b08ec29f7ed61804d1cc1d1352d9257b628191e08fc3717c",
+      "desc": "PIV --slot 82",
+      "publicPart": "04dd3eebd906c9cf00b08ec29f7ed61804d1cc1d1352d9257b628191e08fc3717c4fae3298cd5c4829cec8bf3a946e7db60b7857e1287f6a0bae6b3f2342f007d0"
+    }
+  ],
+  "profiles": {
+    "default": [
+      "6FAFC0E0170985AA71545483C794B1646A886CD6",
+      "02dd3eebd906c9cf00b08ec29f7ed61804d1cc1d1352d9257b628191e08fc3717c"
+    ],
+    "dh": [
+      "02dd3eebd906c9cf00b08ec29f7ed61804d1cc1d1352d9257b628191e08fc3717c"
+    ]
+  }
+}
+```
+
+## 4 Encrypt/Decrypt file(s)
+
+### 4.1 Encrypt file(s)
+
+```shell
+tiny-encrypt -e [-p Profile] [-x] [-L 6] [-1] [-R] [-c Comment] [-C EncryptedComment] FILENAMES
+```
+
+### 4.2 Decrypt file(s)
+
+```shell
+tiny-encrypt -d [-p PIN] [-s Slot] [-R] FILENAMES
+```
+
+
+