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<!-- Licensed under AGPL-3.0 — see LICENSE file for details. -->
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---
name: implementing-secure-cryptographic-operations
description: >-
  Use cryptographic primitives correctly including key management, authenticated encryption, and secure protocol selection.
domain: cybersecurity
subdomain: secure-coding
tags:
  - cryptography
  - key-management
  - authenticated-encryption
  - tls
  - secure-protocols
version: "1.0"
author: defconxt
license: AGPL-3.0
metadata:
  mitre-attack: ["T1573"]
  cwe: ["CWE-327"]
  tools: ["openssl", "libsodium", "python-cryptography"]
---

# Implementing Secure Cryptographic Operations

## Overview

Use cryptographic primitives correctly including key management, authenticated encryption, and secure protocol selection.

## Prerequisites

| Tool / Requirement | Details |
|---|---|
| `openssl` | Security tooling |
| `libsodium` | Security tooling |
| `python-cryptography` | Security tooling |
| Isolated lab environment for testing | Environment requirement |
| Authorization and signed Rules of Engagement (RoE) | Environment requirement |
| Relevant target samples or systems acquired through authorized channels | Environment requirement |

## Quick Reference

```bash
# Initialize working environment
mkdir -p /tmp/implementing-secure-cryptographic-operations/{output,logs,artifacts}

# Execute primary analysis with openssl
echo "[*] Running Implementing Secure Cryptographic Operations with openssl..."

# Validate results with libsodium
echo "[*] Cross-validating with libsodium..."

# Generate summary report
cat /tmp/implementing-secure-cryptographic-operations/output/report.json
```

## Workflow

### Step 1: Preparation and Reconnaissance

```bash
# Identify target and gather initial intelligence
file ./target_sample
openssl --version 2>/dev/null || echo "Install openssl"

# Set up working directory
mkdir -p /tmp/implementing-secure-cryptographic-operations/{output,logs,artifacts}
```

### Step 2: Primary Analysis

```bash
# Execute primary analysis with openssl
# Refer to Quick Reference above for detailed commands
echo "[*] Running Implementing Secure Cryptographic Operations with openssl..."

# Log all operations
script -q /tmp/implementing-secure-cryptographic-operations/logs/session.log
```

### Step 3: Deep Investigation

```bash
# Apply libsodium for secondary analysis
echo "[*] Deep investigation with libsodium..."

# Cross-reference findings
diff /tmp/implementing-secure-cryptographic-operations/output/primary.json /tmp/implementing-secure-cryptographic-operations/output/secondary.json
```

### Step 4: Documentation and Reporting

```bash
# Generate structured findings report
cat <<'EOF' > /tmp/implementing-secure-cryptographic-operations/output/report.json
{
  "technique": "implementing-secure-cryptographic-operations",
  "domain": "secure-coding",
  "tools_used": ["openssl", "libsodium"],
  "findings": [],
  "recommendations": []
}
EOF
```

## Detection

```yaml
title: Secure Cryptographic Operations Detection
id: a7b8b2ce-6484-4268-80db-9e0f86f96696
status: experimental
description: Detects suspicious activity related to implementing secure cryptographic operations techniques in secure coding context
logsource:
  category: application
  product: webserver
detection:
  selection:
    EventType: error
  condition: selection
level: medium
tags:
  - attack.t1573
  - attack.initial_access
falsepositives:
  - Static analysis tools scanning source code repositories
```


**Detection Opportunities**

| Indicator | Source | Detection Logic |
|---|---|---|
| Secure Cryptographic Operations Detection | webserver/application | Sigma rule (medium) |
| ATT&CK Coverage | MITRE ATT&CK | T1573 |

## Verification

- [ ] Environment and tools verified and operational
- [ ] Target samples acquired through authorized channels
- [ ] Primary analysis completed with findings documented
- [ ] Secondary validation performed with independent tooling
- [ ] All artifacts preserved in structured output directory
- [ ] Detection opportunities documented for blue team

## References

- [MITRE ATT&CK T1573](https://attack.mitre.org/techniques/T1573) — Related technique
- [openssl Documentation](https://openssl.org/) — Primary tooling
- [libsodium Reference](https://libsodium.org/) — Secondary tooling
