# EMV Tool
EMV provides an easy-to-use interface to interact with EMV smartcards based on this great [PCSC rust library][PCSC lib].
The acronymim EMV stands for Europay-Mastercard-Visa and describes the behaviour of applications running in smart cards.
Most of the specification can be found on Books 1~4 on `./docs/`
Requirements
------------
- [rustup](https://www.rust-lang.org/tools/install)
Installing
----------
```shell
git clone git@github.com:caiotavares/emv.git
cd emv
cargo build --release
./target/release/emv
```
Usage
-----
```shell
emv <subcommand>
```
### Subcommands
emv currently the following subcommands
| subcommand | arguments |
| ---------- | ---------------- |
| `shell` | |
| `run` | `<input>` |
Use `shell` if you want `emv` to open a connection with a card and keep listening for APDU commands on the command-line.
If you want `emv` to run a series of APDU commands with minimal manual input, use `run` and provide a path for a file
with APDU command-syntax.
Supported APDU Commands
-----------------------
Some commands require one or two arguments to be provided and for special cases such as `PUT_DATA` and `PIN_UNBLOCK`,
emv will prompt the user to input the cryptographic MAC (message authentication code), since these commands modify card
information.
| APDU | Arguments | Format | Prompts for |
| --------- | --------- | ------------- | ------------- |
| `SELECT` | `<aid>` | `<hex string>` | |
| `GET_PROCESSING_OPTIONS` | | | |
| `READ_RECORD` | `<record>` `<sfi>` | `<hex string>` `<hex string>` | |
| `GET_DATA` | `<tag>` | `<hex string>` | |
| `PUT_DATA` | `<tag>` `<value>` | `<hex string>` | MAC |
| `GENERATE_AC` | `<type>` `<cdol>` | `ARQC/TC/ACC` `<hex string>` | |
| `PIN_UNBLOCK` | | | MAC |
*Example 1:*
Selecting a Mastercard Credit application, fetching the processing options and requesting an ARQC based on a CDOL1:
```shell
$ emv shell
> SELECT A0000000041010
> GET_PROCESSING_OPTIONS
> GENERATE_AC ARQC 0000000000100000000000100986000000000009861504280030901B6A2300001EABC126F85499760000000000000000000000000000000000000000000000000000
```
*Example 2:*
Selecting a Mastercard Maestro application, fetching the processing options, requesting an ARQC and finally requesting a
TC from a CDOL2:
```shell
$ emv shell
> SELECT A0000000043060
> GET_PROCESSING_OPTIONS
> GENERATE_AC ARQC 0000000000100000000000100986000000000009861504280030901B6A2300001EABC126F85499760000000000000000000000000000000000000000000000000000
> GENERATE_AC TC E014E254B75DBB8D031A3030000000000030901B6A1EABC126F8549976
```
*Example 3:*
Using a PUT DATA command to update a linked application:
```shell
$ emv shell
> SELECT A0000000043060
> GET_PROCESSING_OPTIONS
> GENERATE_AC ARQC 0000000000100000000000100986000000000009861504280030901B6A2300001EABC126F85499760000000000000000000000000000000000000000000000000000
> GENERATE_AC TC E014E254B75DBB8D031A3030000000000030901B6A1EABC126F8549976
> PUT_DATA DF07 00FF07A000000004101000A5500A4D6173746572636172648701035F2D067074656E65739F1101019F120D4372656469746F204A6169726FBF0C159F5D030100009F4D020B0A9F6E0700760000303000
> Input the MAC: 31E9601F158651AD
```
[PCSC lib]: https://github.com/bluetech/pcsc-rust
emv：EMV工具
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emv-master.zip （29个子文件） 
emv-master docs 
EMV v4.3 Book 1 - ICC to Terminal Interface.pdf 1.03MB EMV Contactless Spec Book C-2.pdf 5.11MB EMV v4.3 Book 2 - Security and Key Management.pdf 932KB EMV Contactless Spec Book A.pdf 1.12MB EMV Contactless Spec Book D.pdf 6.04MB EMV v4.3 Book 3 - Application Specification.pdf 1.27MB EMV v4.3 Book 4 - Other Interfaces.pdf 765KB EMV Contactless Spec Book B.pdf 776KB
Cargo.lock 7KB src main.rs 2KB controller.rs 3KB tlv mod.rs 16B parser.rs 5KB apdu mod.rs 30B capdu.rs 4KB rapdu.rs 1KB connection mod.rs 13B usb.rs 2KB utils extension.rs 1KB mod.rs 19B cli mod.rs 709B banner.rs 111B interface.rs 2KB Cargo.toml 465B examples 
updating_application.txt 385B transaction.txt 213B cdol.txt 1KB .gitignore 8B README.md 4KB
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