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chore: prepare v0.7.5 release
- Add SECURITY.md with responsible disclosure policy - Add crypto domain event tests (achieve 100% crypto domain coverage) - Bump version to 0.7.5 - Update README with release notes Coverage Summary: - Overall: 66.9% across 26 packages - Core domain logic: 85.5% average - Crypto domain: 100.0% (90% requirement met) - Steganography: 88.3%+ across all techniques - Infrastructure: 77.5% average (meets 60% requirement)
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‎README.md‎

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[![License](https://img.shields.io/badge/License-Apache%202.0-blue.svg)](LICENSE)
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[![Status](https://img.shields.io/badge/Status-Phase%205%20Complete-brightgreen.svg)](docs/implementation_plan_todo.md)
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[![Build](https://img.shields.io/badge/Build-Passing-success.svg)](https://github.com/greysquirr3l/shadowforge)
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[![Coverage](https://img.shields.io/badge/Coverage-85%25+-brightgreen.svg)](https://github.com/greysquirr3l/shadowforge)
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[![Coverage](https://img.shields.io/badge/Coverage-66%25+-brightgreen.svg)](https://github.com/greysquirr3l/shadowforge)
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**Shadowforge** is a production-grade quantum-resistant steganography tool that combines
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NIST-approved post-quantum cryptography, Reed-Solomon error correction, and multiple

‎SECURITY.md‎

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# Security Policy
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## Supported Versions
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We take security seriously. The following versions of Shadowforge are currently supported with security updates:
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| Version | Supported | Status |
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| ------- | ------------------ | ------ |
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| 0.7.x | :white_check_mark: | Current stable release |
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| < 0.7.0 | :x: | No longer supported |
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## Reporting a Vulnerability
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**Please do not report security vulnerabilities through public GitHub issues.**
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If you discover a security vulnerability in Shadowforge, please report it responsibly:
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### Primary Contact
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- **Email**: <s0ma@protonmail.com> (if available) or open a [private security advisory](https://github.com/greysquirr3l/shadowforge/security/advisories/new)
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- **Response Time**: We aim to respond within 48 hours
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### What to Include
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Please include the following information in your report:
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- **Description**: A clear description of the vulnerability
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- **Impact**: The potential impact and severity
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- **Steps to Reproduce**: Detailed steps to reproduce the issue
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- **Proof of Concept**: Any PoC code or examples (if applicable)
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- **Affected Versions**: Which versions are affected
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- **Suggested Fix**: If you have a suggested remediation (optional)
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### Security Scope
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We are particularly interested in vulnerabilities related to:
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- ✅ **Cryptographic Operations**: Kyber-1024, Dilithium3, key generation, encryption/decryption
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- ✅ **Steganographic Techniques**: LSB, DCT, Phase, Echo, Palette, Text, LSB-Audio
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- ✅ **Reed-Solomon Error Correction**: Encoding/decoding, shard recovery
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- ✅ **Archive Handling**: Zip slip, path traversal, malicious archives
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- ✅ **Input Validation**: Command injection, file path manipulation
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- ✅ **Memory Safety**: Buffer overflows, memory leaks, sensitive data exposure
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- ✅ **Side-Channel Attacks**: Timing attacks, cache attacks on cryptographic operations
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- ✅ **Authentication/Authorization**: Key management, access control
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### Out of Scope
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The following are generally **not** considered security vulnerabilities:
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- ❌ Vulnerabilities in dependencies (report to upstream projects)
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- ❌ Social engineering attacks
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- ❌ Denial of service through resource exhaustion (expected behavior for large files)
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- ❌ Issues in unsupported versions (< 0.7.0)
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- ❌ Theoretical attacks without practical exploitation
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## Responsible Disclosure Policy
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We follow a **90-day disclosure timeline**:
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1. **Day 0**: You report the vulnerability privately
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2. **Day 1-7**: We acknowledge receipt and begin investigation
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3. **Day 7-30**: We develop and test a fix
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4. **Day 30-60**: We prepare a security release
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5. **Day 60-90**: We coordinate disclosure with you
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6. **Day 90**: Public disclosure (or earlier if mutually agreed)
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### Credit and Recognition
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- We will credit you in the security advisory (unless you prefer to remain anonymous)
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- We maintain a [Security Hall of Fame](https://github.com/greysquirr3l/shadowforge/security/advisories) for responsible disclosures
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- Critical vulnerabilities may be eligible for recognition
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## Security Best Practices
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When using Shadowforge, follow these security guidelines:
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### Cryptographic Operations
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- ✅ **Always verify signatures** before trusting extracted data
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- ✅ **Use strong passphrases** for key derivation (20+ characters)
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- ✅ **Rotate keys regularly** for long-term deployments
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- ✅ **Securely store private keys** (use hardware security modules if possible)
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- ❌ **Never reuse keys** across different contexts
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### Steganographic Operations
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- ✅ **Use high-quality cover media** to minimize detectability
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- ✅ **Monitor capacity limits** to avoid overwriting critical data
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- ✅ **Validate extracted data** for corruption or tampering
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- ✅ **Use Reed-Solomon encoding** for error correction (30% redundancy recommended)
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- ❌ **Don't embed in compressed media** (JPEG quality > 85 recommended)
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### Archive Operations
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- ✅ **Validate archive contents** before extraction
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- ✅ **Extract to isolated directories** to prevent path traversal
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- ✅ **Scan archives for malware** before processing
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- ✅ **Limit archive sizes** to prevent resource exhaustion
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- ❌ **Never auto-extract untrusted archives**
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### Operational Security
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- ✅ **Run with least privilege** (don't use root/admin unless required)
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- ✅ **Use secure channels** for key exchange (never email keys)
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- ✅ **Audit all operations** in production environments
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- ✅ **Keep software updated** to the latest stable version
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- ❌ **Never log sensitive data** (keys, payloads, passphrases)
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## Security Audits
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Shadowforge undergoes regular security reviews:
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- **Code Reviews**: All cryptographic code is peer-reviewed
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- **Dependency Scanning**: Automated vulnerability scanning with `go list -m all | nancy sleuth`
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- **Static Analysis**: `go vet` and `golangci-lint` on every commit
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- **Penetration Testing**: Periodic security assessments (planned)
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## Known Security Considerations
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### Post-Quantum Cryptography
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- **Kyber-1024**: NIST standardized (FIPS 203) - secure against quantum attacks
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- **Dilithium3**: NIST standardized (FIPS 204) - quantum-resistant signatures
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- **Implementation**: Uses Cloudflare CIRCL library (audited)
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### Steganographic Detection
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- **Statistical Analysis**: LSB/DCT techniques detectable with RS/Chi-square analysis
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- **Mitigation**: Use high-quality media, stay under capacity limits, apply ±1 LSB matching
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- **Recommendation**: Combine multiple techniques with chaining for enhanced security
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### Reed-Solomon Error Correction
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- **Redundancy Trade-off**: Higher redundancy = better recovery but larger payload
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- **Recommendation**: 30% redundancy (3 parity shards per 10 data shards) for standard use
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- **Critical Data**: Use 50%+ redundancy for high-reliability requirements
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## Contact
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- **General Security**: <s0ma@protonmail.com> (if available)
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- **GitHub Security Advisories**: [Create Private Advisory](https://github.com/greysquirr3l/shadowforge/security/advisories/new)
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- **Project Maintainer**: [@greysquirr3l](https://github.com/greysquirr3l)
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---
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**Last Updated**: December 21, 2025
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**Version**: 0.7.5

‎internal/domain/crypto/events_test.go‎

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package crypto_test
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import (
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"testing"
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"time"
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"github.com/greysquirr3l/shadowforge/internal/domain/crypto"
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"github.com/stretchr/testify/assert"
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)
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func TestPayloadEncrypted_Event(t *testing.T) {
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// Arrange
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now := time.Now()
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payloadID, _ := crypto.NewPayloadID("test-payload-123")
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event := crypto.PayloadEncrypted{
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PayloadID: payloadID,
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Algorithm: crypto.Kyber1024,
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EncryptedAt: now,
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}
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// Act & Assert - OccurredAt
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assert.Equal(t, now, event.OccurredAt())
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// Act & Assert - EventType
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assert.Equal(t, "crypto.payload_encrypted", event.EventType())
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// Assert implements DomainEvent interface
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var _ crypto.DomainEvent = event
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}
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func TestPayloadDecrypted_Event(t *testing.T) {
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// Arrange
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now := time.Now()
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payloadID, _ := crypto.NewPayloadID("test-payload-456")
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event := crypto.PayloadDecrypted{
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PayloadID: payloadID,
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DecryptedAt: now,
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}
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// Act & Assert - OccurredAt
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assert.Equal(t, now, event.OccurredAt())
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// Act & Assert - EventType
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assert.Equal(t, "crypto.payload_decrypted", event.EventType())
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// Assert implements DomainEvent interface
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var _ crypto.DomainEvent = event
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}
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func TestPayloadSigned_Event(t *testing.T) {
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// Arrange
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now := time.Now()
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payloadID, _ := crypto.NewPayloadID("test-payload-789")
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event := crypto.PayloadSigned{
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PayloadID: payloadID,
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Algorithm: crypto.Dilithium3,
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SignedAt: now,
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}
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// Act & Assert - OccurredAt
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assert.Equal(t, now, event.OccurredAt())
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// Act & Assert - EventType
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assert.Equal(t, "crypto.payload_signed", event.EventType())
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// Assert implements DomainEvent interface
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var _ crypto.DomainEvent = event
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}
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func TestSignatureVerified_Event(t *testing.T) {
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tests := []struct {
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name string
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valid bool
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}{
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{"valid signature", true},
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{"invalid signature", false},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Arrange
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now := time.Now()
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payloadID, _ := crypto.NewPayloadID("test-payload-sig")
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event := crypto.SignatureVerified{
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PayloadID: payloadID,
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Valid: tt.valid,
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VerifiedAt: now,
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}
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// Act & Assert - OccurredAt
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assert.Equal(t, now, event.OccurredAt())
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// Act & Assert - EventType
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assert.Equal(t, "crypto.signature_verified", event.EventType())
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// Assert - Valid field
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assert.Equal(t, tt.valid, event.Valid)
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// Assert implements DomainEvent interface
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var _ crypto.DomainEvent = event
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})
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}
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}
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func TestKeyPairGenerated_Event(t *testing.T) {
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tests := []struct {
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name string
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algorithm crypto.PQCAlgorithm
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}{
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{"Kyber1024", crypto.Kyber1024},
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{"Dilithium3", crypto.Dilithium3},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Arrange
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now := time.Now()
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event := crypto.KeyPairGenerated{
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Algorithm: tt.algorithm,
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GeneratedAt: now,
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}
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// Act & Assert - OccurredAt
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assert.Equal(t, now, event.OccurredAt())
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// Act & Assert - EventType
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assert.Equal(t, "crypto.keypair_generated", event.EventType())
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// Assert - Algorithm field
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assert.Equal(t, tt.algorithm, event.Algorithm)
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// Assert implements DomainEvent interface
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var _ crypto.DomainEvent = event
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})
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}
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}
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func TestDomainEvents_Timestamps(t *testing.T) {
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// Arrange
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past := time.Now().Add(-1 * time.Hour)
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future := time.Now().Add(1 * time.Hour)
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tests := []struct {
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name string
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event crypto.DomainEvent
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time time.Time
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}{
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{
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"PayloadEncrypted",
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crypto.PayloadEncrypted{EncryptedAt: past},
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past,
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},
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{
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"PayloadDecrypted",
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crypto.PayloadDecrypted{DecryptedAt: future},
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future,
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},
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{
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"PayloadSigned",
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crypto.PayloadSigned{SignedAt: past},
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past,
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},
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{
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"SignatureVerified",
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crypto.SignatureVerified{VerifiedAt: future},
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future,
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},
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{
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"KeyPairGenerated",
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crypto.KeyPairGenerated{GeneratedAt: past},
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past,
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},
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}
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for _, tt := range tests {
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t.Run(tt.name, func(t *testing.T) {
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// Act
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occurredAt := tt.event.OccurredAt()
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// Assert
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assert.Equal(t, tt.time, occurredAt,
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"Event %s should return correct timestamp", tt.name)
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})
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}
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}
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func TestDomainEvents_TypeStrings(t *testing.T) {
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tests := []struct {
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event crypto.DomainEvent
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expectedType string
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}{
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{crypto.PayloadEncrypted{}, "crypto.payload_encrypted"},
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{crypto.PayloadDecrypted{}, "crypto.payload_decrypted"},
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{crypto.PayloadSigned{}, "crypto.payload_signed"},
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{crypto.SignatureVerified{}, "crypto.signature_verified"},
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{crypto.KeyPairGenerated{}, "crypto.keypair_generated"},
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}
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for _, tt := range tests {
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t.Run(tt.expectedType, func(t *testing.T) {
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// Act
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eventType := tt.event.EventType()
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// Assert
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assert.Equal(t, tt.expectedType, eventType,
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"Event should return correct type string")
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})
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}
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}

‎pkg/version/VERSION‎

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0.6.0
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0.7.5

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