Encryption Algorithms: Support various encryption algorithms, including symmetric (e.g., AES, DES) and asymmetric (e.g., RSA, ECC) encryption methods.
Decryption Algorithms: Provide corresponding decryption algorithms to reverse the encryption process and retrieve the original data.
Key Management: Implement mechanisms for generating, storing, and managing encryption keys securely.
Data Handling
File Encryption/Decryption: Enable users to encrypt and decrypt files, including support for different file formats and sizes.
Text Encryption/Decryption: Support encryption and decryption of text data, including plain text, JSON, XML, and other formats.
Data Streams: Handle encryption and decryption of data streams, such as network communications and real-time data feeds.
Key Management
Key Generation: Provide functionality for generating encryption keys, including secure random key generation.
Key Storage: Implement secure key storage solutions, such as hardware security modules (HSMs) or encrypted key vaults.
Key Rotation: Allow for periodic key rotation to enhance security, including automated or manual key rotation processes.
Key Distribution: Facilitate secure distribution of keys to authorized parties, including support for public key infrastructure (PKI) and digital certificates.
Access Control
User Authentication: Require authentication for accessing encryption and decryption functions, including support for multi-factor authentication (MFA).
Authorization: Implement role-based access control to restrict access to encryption and decryption operations based on user roles and permissions.
Integration
APIs: Provide APIs for integration with other systems and applications, allowing for encryption and decryption functionalities to be embedded within broader workflows.
Compatibility: Ensure compatibility with existing systems and standards, such as PKI, X.509 certificates, and common encryption libraries.
Logging and Auditing
Activity Logging: Log encryption and decryption activities, including timestamps, user identities, and operations performed.
Audit Trails: Maintain audit trails for compliance and security monitoring, including detailed logs for key management and data access.
User Interface
Dashboard: Provide a user-friendly dashboard for managing encryption and decryption operations, viewing logs, and configuring settings.
Configuration Management: Allow users to configure encryption settings, key management policies, and other system parameters.
Compliance and Standards
Standards Compliance: Ensure compliance with industry standards and regulations for encryption, such as FIPS 140-2/3, GDPR, and HIPAA.
Certifications: Obtain relevant security certifications to validate the system’s adherence to best practices and standards.
Non-Functional Requirements
Performance
Processing Speed: Ensure efficient encryption and decryption processing with minimal latency, suitable for real-time or batch processing as needed.
Scalability: The system should handle increasing amounts of data and concurrent encryption/decryption operations without performance degradation.
Reliability
Uptime: Ensure high system availability with minimal downtime (e.g., 99.9% uptime).
Error Handling: Implement robust error handling and recovery mechanisms to manage failures in encryption, decryption, or key management processes.
Security
Data Encryption: Encrypt sensitive data both in transit and at rest using industry-standard algorithms and protocols.
Key Protection: Ensure that encryption keys are protected against unauthorized access and exposure, using secure storage and management practices.
Access Controls: Implement strict access controls to prevent unauthorized use of encryption and decryption functions.
Usability
User Interface: Design an intuitive and user-friendly interface that facilitates easy navigation and interaction with encryption and decryption functions.
Help and Support: Provide comprehensive help resources, including user guides, tutorials, and support channels.
Maintainability
Code Quality: Write high-quality, well-documented code to facilitate system maintenance, updates, and troubleshooting.
Documentation: Provide thorough documentation for users, administrators, and developers, including technical specifications, operational procedures, and troubleshooting guides.
Availability
Backup and Recovery: Implement regular data backups and establish procedures for recovering encryption keys and configurations in case of system failures or data loss.
Failover: Ensure the system has failover capabilities to switch to backup systems or servers if necessary.
Portability
Cross-Platform Compatibility: Ensure the system is compatible with various operating systems and platforms, including Windows, macOS, Linux, and mobile devices.
Supportability
Technical Support: Provide mechanisms for obtaining technical support and resolving issues, including help desks, online resources, and customer service.
Error Reporting: Include functionality for reporting and tracking issues or bugs within the system.