llmverify
Version:
AI Output Verification Toolkit — Local-first LLM safety, hallucination detection, PII redaction, prompt injection defense, and runtime monitoring. Zero telemetry. OWASP LLM Top 10 aligned.
120 lines • 13.3 kB
JavaScript
;
/**
* CSM6 Baseline Engine
*
* Cognitive System Management v6 - Baseline Profile
* Implements security, privacy, and safety checks.
*
* @module csm6/baseline
* @author Haiec
* @license MIT
*/
Object.defineProperty(exports, "__esModule", { value: true });
exports.CSM6Baseline = void 0;
const security_1 = require("./security");
class CSM6Baseline {
constructor(config) {
this.config = config;
this.LIMITATIONS = [
'Pattern-based detection (free tier)',
'English language only',
'Cannot detect novel attack patterns',
'Context-dependent false positives possible',
'Requires human validation for production use'
];
this.METHODOLOGY = 'CSM6 Baseline Profile: Implements OWASP LLM Top 10 aligned checks ' +
'for security (prompt injection), privacy (PII detection), and ' +
'safety (harmful content). Pattern-based detection with confidence intervals.';
}
async audit(input, output) {
const findings = [];
const checksPerformed = [];
const csm6Config = this.config.engines.csm6;
// Security checks
if (csm6Config.checks.security) {
checksPerformed.push('security:prompt-injection');
const injectionFindings = (0, security_1.checkPromptInjection)(input);
findings.push(...injectionFindings);
}
// Privacy checks
if (csm6Config.checks.privacy) {
checksPerformed.push('privacy:pii-detection');
const piiFindings = (0, security_1.checkPII)(output);
findings.push(...piiFindings);
}
// Safety checks
if (csm6Config.checks.safety) {
checksPerformed.push('safety:harmful-content');
const harmFindings = (0, security_1.checkHarmfulContent)(output);
findings.push(...harmFindings);
}
// Transparency (always enabled)
checksPerformed.push('transparency:audit-trail');
// Calculate summary
const summary = this.calculateSummary(findings);
// Calculate risk score
const riskScore = this.calculateRiskScore(findings);
// Determine if passed
const passed = !findings.some(f => f.severity === 'critical' || f.severity === 'high');
return {
findings,
summary,
riskScore,
passed,
profile: csm6Config.profile,
checksPerformed,
limitations: this.LIMITATIONS,
methodology: this.METHODOLOGY
};
}
calculateSummary(findings) {
const bySeverity = {
info: 0,
low: 0,
medium: 0,
high: 0,
critical: 0
};
const byCategory = {
security: 0,
privacy: 0,
safety: 0,
fairness: 0,
reliability: 0,
governance: 0
};
for (const finding of findings) {
bySeverity[finding.severity]++;
byCategory[finding.category]++;
}
return {
total: findings.length,
bySeverity,
byCategory
};
}
calculateRiskScore(findings) {
if (findings.length === 0)
return 0;
const severityWeights = {
info: 0.1,
low: 0.2,
medium: 0.4,
high: 0.7,
critical: 1.0
};
let totalWeight = 0;
let maxWeight = 0;
for (const finding of findings) {
const weight = severityWeights[finding.severity] * finding.confidence.value;
totalWeight += weight;
maxWeight = Math.max(maxWeight, weight);
}
// Combine average and max for final score
const avgWeight = totalWeight / findings.length;
const score = avgWeight * 0.6 + maxWeight * 0.4;
return Math.min(1, score);
}
}
exports.CSM6Baseline = CSM6Baseline;
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Pattern-based detection with confidence intervals.';\n  \n  constructor(private config: Config) {}\n  \n  async audit(input: string, output: string): Promise<CSM6Result> {\n    const findings: Finding[] = [];\n    const checksPerformed: string[] = [];\n    \n    const csm6Config = this.config.engines.csm6;\n    \n    // Security checks\n    if (csm6Config.checks.security) {\n      checksPerformed.push('security:prompt-injection');\n      const injectionFindings = checkPromptInjection(input);\n      findings.push(...injectionFindings);\n    }\n    \n    // Privacy checks\n    if (csm6Config.checks.privacy) {\n      checksPerformed.push('privacy:pii-detection');\n      const piiFindings = checkPII(output);\n      findings.push(...piiFindings);\n    }\n    \n    // Safety checks\n    if (csm6Config.checks.safety) {\n      checksPerformed.push('safety:harmful-content');\n      const harmFindings = checkHarmfulContent(output);\n      findings.push(...harmFindings);\n    }\n    \n    // Transparency (always enabled)\n    checksPerformed.push('transparency:audit-trail');\n    \n    // Calculate summary\n    const summary = this.calculateSummary(findings);\n    \n    // Calculate risk score\n    const riskScore = this.calculateRiskScore(findings);\n    \n    // Determine if passed\n    const passed = !findings.some(f => \n      f.severity === 'critical' || f.severity === 'high'\n    );\n    \n    return {\n      findings,\n      summary,\n      riskScore,\n      passed,\n      profile: csm6Config.profile,\n      checksPerformed,\n      limitations: this.LIMITATIONS,\n      methodology: this.METHODOLOGY\n    };\n  }\n  \n  private calculateSummary(findings: Finding[]): CSM6Result['summary'] {\n    const bySeverity: Record<Severity, number> = {\n      info: 0,\n      low: 0,\n      medium: 0,\n      high: 0,\n      critical: 0\n    };\n    \n    const byCategory: Record<Category, number> = {\n      security: 0,\n      privacy: 0,\n      safety: 0,\n      fairness: 0,\n      reliability: 0,\n      governance: 0\n    };\n    \n    for (const finding of findings) {\n      bySeverity[finding.severity]++;\n      byCategory[finding.category]++;\n    }\n    \n    return {\n      total: findings.length,\n      bySeverity,\n      byCategory\n    };\n  }\n  \n  private calculateRiskScore(findings: Finding[]): number {\n    if (findings.length === 0) return 0;\n    \n    const severityWeights: Record<Severity, number> = {\n      info: 0.1,\n      low: 0.2,\n      medium: 0.4,\n      high: 0.7,\n      critical: 1.0\n    };\n    \n    let totalWeight = 0;\n    let maxWeight = 0;\n    \n    for (const finding of findings) {\n      const weight = severityWeights[finding.severity] * finding.confidence.value;\n      totalWeight += weight;\n      maxWeight = Math.max(maxWeight, weight);\n    }\n    \n    // Combine average and max for final score\n    const avgWeight = totalWeight / findings.length;\n    const score = avgWeight * 0.6 + maxWeight * 0.4;\n    \n    return Math.min(1, score);\n  }\n}\n"]}