[УКР](https://hackmd.io/iiQYSz-oTuqh5-yUM0vTgQ) | ENG

# Cipher Service

**Cipher** is the Operator's service, installed on the Partner server, that implements the function of data cryptography for interaction with the Operator system.

:::success
[Download Cipher Service (for Linux) >>](https://drive.google.com/file/d/10l2S4dLmcA1hRd6SXsyISyUlLZX9U9pu/view)
:::

## Service Configuration

To get started, set up the service configuration in the file:

cipher/config/config.toml

### Configuration Keys

*See general information on forming requests and keys' description in the section ["General API Integration Information"](https://hackmd.io/ijxPm0xtTpycgTjuU_NHQQ).*

| Key | Description | Example |
|:-:|-|:-:|
|`Port`|Port on which the Cipher Service will work.|`1111`|
|`PartnerToken`|Unique Partner identifier in the Operator system.|`72a8ddb8-9145-4a41-af1a-8c48ecaa4be1`|
|`XpayKey`| Relative path to the Operator *public key* file, which encrypts the data packet. |`keys/xpay`|
|`Key`|Relative path to the Partner *private key* file, which signs the data packet.|`keys`|

## Data Encryption

Data is encrypted by sending a fully formed data packet, or using a more simplified option - by sending “Data” to form a packet with encrypted data.

### 1. Sending a Formed Data Packet to Encrypt

**URL:** `http://localhost:<configuration_port>/cipher`

Partner sends a fully formed Data Packet to the Cipher Service for encryption. In response - the service returns a packet with encrypted data, an encrypted key and a signature.

Sending the formed data packet is used, for example, when the Partner has two or more tokens ("PartnerToken"), and it is necessary to indicate in the request which one is used in the operation.

The "KeyAES" and "Sign" parameters in the encryption data structure are sending empty.

:::success
<details>
<summary>Example of Data Packet sending for encryption</summary>
<br>

~~~md
curl -X POST http://localhost:1111/cipher -d '{"Partner":{"PartnerToken":"72a8ddb8-9145-4a41-af1a-8c48ecaa4be1","OperationType":22222},"Data":{"ID":"380123456789","Sum":17300,"DateTime":"20220624 15:56:38"}}'
~~~

</details>
:::

:::success
<details>
<summary>Example of Cipher Service response</summary>
<br>

~~~md
{
"Partner": {
"PartnerToken": "72a8ddb8-9145-4a41-af1a-8c48ecaa4be1",
"OperationType": 22222
},
"Data": "MlztSNrb+mYKy37I3EkqUIUy+fnr03HUiMaFZA+xRPlRQFlSEJDA66AbutTPvNNK",
"KeyAES": "AE0Mk+IID+BHx5uVAnCHDKDZsRhzHVZj+yjej/tT09PyCwc6T5U6e3ou9DEAalkDLvL4KDZiYKW3CTzTx87joO17/Yu9H1gNrhRztUqhrsqGbgZ+Usd5s8z6S72ML4o1qEDFid7VlJqM/Fq95PE0WV2FoStn9PjXCOKYdmRyzYHtqGZ/iQLv+3oR8jQ6ZAI1M/Yc/8F7pwFdavnVxlptMy0UiRjPDeqGgwcYG5+RVPNM7nTM/WarcPgnJEx71WJv50N0hE5n36avolINFZxmjuh2uImvGd1GvoxP1p/F+YkZ4izNJRcc69CY5+pH9jd4nXPMRkEvJyXGziauBElajg==",
"Sign": "E/qTx4R5IutFuQgXD4FMppoT3nB1e8fdVizt1mgHYhM0pD3NFInAOdT550a/DkVgxDkK0qKyInUVUcjBD8VESzflbULljHFaQ+vFaIRdxTmKbWFc4JcSLSNhePxsP8MYSxXo5g5gNozYHG3QGr+JHv+Xc7rcr7izdPtzUVtZXO1VZDdHSfAYC1oJFpFj02kH3uqEZNv3EyWNoI81p5erZwzCsdcjMvRbfAf9s8mtqsi6ZGH2KpSA4YJChTcAEsV5ehOI5kbYQjYh5IuSDVubEUtxBp1aUAeg0wH9mK0915IHw5RuZIYHu1gkjdMkGHbXiJHqZcYgmOvkeQE1fsxl8Q=="
}
~~~
</details>
:::

### 2. Sending a Data to Encrypt

**URL:** `http://localhost:<configuration_port>/packet/<operation_type>`

Partner sends a fully formed Data Packet to the Cipher Service for encryption. In response - the service returns a packet with encrypted data, encrypted key and signature.

Partner sends only the Data string to the Cipher Service for encryption. In response - the service returns a formed packet with encrypted data, an encrypted key and a signature. It is necessary to send the operation type to the URL address for data packet generation.

:::success
<details>
<summary>Example of Data sending for encryption</summary>
<br>

~~~md
curl -X POST http://localhost:1111/packet/22222 -d '{"ID":"380123456789","Sum":17300,"DateTime":"20220624 15:56:38"}'
~~~

</details>
:::

:::success
<details>
<summary>Example of Cipher Service response</summary>
<br>

~~~md
{
"Partner": {
"PartnerToken": "72a8ddb8-9145-4a41-af1a-8c48ecaa4be1",
"OperationType": 22222
},
"Data": "MlztSNrb+mYKy37I3EkqUIUy+fnr03HUiMaFZA+xRPlRQFlSEJDA66AbutTPvNNK",
"KeyAES": "AE0Mk+IID+BHx5uVAnCHDKDZsRhzHVZj+yjej/tT09PyCwc6T5U6e3ou9DEAalkDLvL4KDZiYKW3CTzTx87joO17/Yu9H1gNrhRztUqhrsqGbgZ+Usd5s8z6S72ML4o1qEDFid7VlJqM/Fq95PE0WV2FoStn9PjXCOKYdmRyzYHtqGZ/iQLv+3oR8jQ6ZAI1M/Yc/8F7pwFdavnVxlptMy0UiRjPDeqGgwcYG5+RVPNM7nTM/WarcPgnJEx71WJv50N0hE5n36avolINFZxmjuh2uImvGd1GvoxP1p/F+YkZ4izNJRcc69CY5+pH9jd4nXPMRkEvJyXGziauBElajg==",
"Sign": "E/qTx4R5IutFuQgXD4FMppoT3nB1e8fdVizt1mgHYhM0pD3NFInAOdT550a/DkVgxDkK0qKyInUVUcjBD8VESzflbULljHFaQ+vFaIRdxTmKbWFc4JcSLSNhePxsP8MYSxXo5g5gNozYHG3QGr+JHv+Xc7rcr7izdPtzUVtZXO1VZDdHSfAYC1oJFpFj02kH3uqEZNv3EyWNoI81p5erZwzCsdcjMvRbfAf9s8mtqsi6ZGH2KpSA4YJChTcAEsV5ehOI5kbYQjYh5IuSDVubEUtxBp1aUAeg0wH9mK0915IHw5RuZIYHu1gkjdMkGHbXiJHqZcYgmOvkeQE1fsxl8Q=="
}
~~~
</details>
:::

:::info
*During each integration Operator creates Partner individual support chat.*
:::

:arrow_left: [XPAY API Guide](https://hackmd.io/QA2NYRliRLGviJl5P4-ZCw)
:arrow_left: [XPASS API Guide](https://hackmd.io/pa6TRNZTTa67jO_qYDuRBQ)
:arrow_left: [General API Integration Information](https://hackmd.io/ijxPm0xtTpycgTjuU_NHQQ)

<details>
<summary>XPAY Support</summary>
</br>

Phone: [phone]
Email: [e-mail]
Telegram: @xpaysupportbot
</details>