# Symmetric Encryption Provider
`ISymmetricCryptographicProvider` in assembly SanteDB.Core.Api version 3.0.1980.0
## Summary
Represents a crypto service provider that encrypts things using symmetric encryption
## Operations
| Operation | Response/Return | Input/Parameter | Description |
| ---------------------- | --------------- | ----------------------------------------------------------------------------------------------------------------------------------------- | --------------------------- |
| GetContextKey | Byte\[] | *none* | TODO |
| RotateContextKey | Boolean | *none* | TODO |
| GenerateIV | Byte\[] | *none* | TODO |
| GenerateKey | Byte\[] | *none* | TODO |
| Encrypt | Byte\[] | Byte\[] data
Byte\[] key
Byte\[] iv
| Encrypts the sepcified data |
| Decrypt | Byte\[] | Byte\[] data
Byte\[] key
Byte\[] iv
| Decrypts the specified data |
| Encrypt | Byte\[] | *Byte\[]* **data** | Encrypts the sepcified data |
| Decrypt | Byte\[] | *Byte\[]* **data** | Decrypts the specified data |
| Encrypt | String | *String* **data** | Encrypts the sepcified data |
| Decrypt | String | *String* **data** | Decrypts the specified data |
| CreateEncryptingStream | Stream | Stream underlyingStream
Byte\[] key
Byte\[] iv
| Create a decrypting stream |
| CreateDecryptingStream | Stream | Stream underlyingStream
Byte\[] key
Byte\[] iv
| Create a decrypting stream |
## Implementations
### AesSymmetricCrypographicProvider - (SanteDB.Core.Api)
Represents a symmetric cryptographic provider based on AES
#### Service Registration
```markup
...
...
...
```
## Example Implementation
```csharp
/// Example Implementation
using SanteDB.Core.Security.Services;
/// Other usings here
public class MySymmetricCryptographicProvider : SanteDB.Core.Security.Services.ISymmetricCryptographicProvider {
public String ServiceName => "My own ISymmetricCryptographicProvider service";
public Byte[] GetContextKey(){
throw new System.NotImplementedException();
}
public Boolean RotateContextKey(){
throw new System.NotImplementedException();
}
public Byte[] GenerateIV(){
throw new System.NotImplementedException();
}
public Byte[] GenerateKey(){
throw new System.NotImplementedException();
}
///
/// Encrypts the sepcified data
///
public Byte[] Encrypt(Byte[] data,Byte[] key,Byte[] iv){
throw new System.NotImplementedException();
}
///
/// Decrypts the specified data
///
public Byte[] Decrypt(Byte[] data,Byte[] key,Byte[] iv){
throw new System.NotImplementedException();
}
///
/// Encrypts the sepcified data
///
public Byte[] Encrypt(Byte[] data){
throw new System.NotImplementedException();
}
///
/// Decrypts the specified data
///
public Byte[] Decrypt(Byte[] data){
throw new System.NotImplementedException();
}
///
/// Encrypts the sepcified data
///
public String Encrypt(String data){
throw new System.NotImplementedException();
}
///
/// Decrypts the specified data
///
public String Decrypt(String data){
throw new System.NotImplementedException();
}
///
/// Create a decrypting stream
///
public Stream CreateEncryptingStream(Stream underlyingStream,Byte[] key,Byte[] iv){
throw new System.NotImplementedException();
}
///
/// Create a decrypting stream
///
public Stream CreateDecryptingStream(Stream underlyingStream,Byte[] key,Byte[] iv){
throw new System.NotImplementedException();
}
}
```
## References
* [ISymmetricCryptographicProvider C# Documentation](http://santesuite.org/assets/doc/net/html/T_SanteDB_Core_Security_Services_ISymmetricCryptographicProvider.htm)
* [AesSymmetricCrypographicProvider C# Documentation](http://santesuite.org/assets/doc/net/html/T_SanteDB_Core_Security_AesSymmetricCrypographicProvider.htm)