Decrypt Method
Decrypts data using a key.
Syntax
int Decrypt(const QString& qsKeyName, const QString& qsAlgorithm);
Remarks
This method decrypts data using the key specified by KeyName and the given Algorithm. The VersionId configuration setting can be used to target a specific key version.
The data to decrypt is taken from the the specified InputFile or the InputData property. The decrypted data is output to the the specified OutputFile or the OutputData property.
The key specified by KeyName must be an RSA key; EC keys cannot be used for encryption/decryption.
The Algorithm parameter specifies which algorithm to use to decrypt the data; it must match the algorithm used to encrypt the data previously. Possible values are:
| Algorithm | Description |
| RSA1_5 | RSAES-PKCS1-v1_5 |
| RSA-OAEP | RSAES OAEP using SHA-1 and MGF1 with SHA-1 |
| RSA-OAEP-256 | RSAES OAEP using SHA-256 and MGF1 with SHA-256 |
Error Handling
This method returns a result code; 0 indicates success, while a non-zero error code indicates that this method encountered an error during its execution. If an error occurs, the GetLastError() method can be called to retrieve the associated error message. (Note: This method's result code can also be obtained by calling the GetLastErrorCode() method after it returns.)