{
  "capsule": {
    "schema": "apk-scanner.proof/v2",
    "issuer": "apk-scanner.com",
    "issued_at": "2026-10-14T12:12:03.598Z",
    "app": {
      "app_id": "com.happy.topnovels",
      "title": "Romance Novel Library",
      "version": "2.0.5.0"
    },
    "analysis": {
      "issues": [],
      "stages": {
        "pii": "complete",
        "sbom": "complete",
        "signing": "certificate_parsed",
        "strings": "complete",
        "manifest": "complete"
      },
      "status": "complete",
      "grading": {
        "policy": "static-coverage-v1",
        "blockers": [],
        "eligible": true
      },
      "timings_ms": {
        "total": 11137.171,
        "harvest": 2474.2030000000127,
        "detectors": 7903.369000000009
      },
      "bytes_total": 50349000,
      "bytes_scanned": 50349000,
      "bytes_skipped": 0,
      "files_processed": 1582,
      "coverage_version": 2,
      "string_encodings": [
        "ascii",
        "utf16le"
      ],
      "signature_validation": "not_performed"
    },
    "provenance": {
      "mode": "static",
      "artifacts": [
        {
          "name": "base.apk",
          "sha256": "487d2a2aba5c1cca54664925190c6c7e171a906a9b19f97592f6a42b003db1d8"
        },
        {
          "name": "config.arm64_v8a.apk",
          "sha256": "246a2835e174620c64281bd693cb9dc1986927002a8e8ea7b0cff8e574ae80ec"
        },
        {
          "name": "config.en.apk",
          "sha256": "3fa57830af2d418e792b1cf2ee8cb4853cf8b5f1c7e56346fe48077831222b3c"
        },
        {
          "name": "config.xxhdpi.apk",
          "sha256": "0f832c92b3223de3ffd42131ee9a838ebc2cae4b6dfad23e70b2a86df53aa3af"
        }
      ],
      "ruleset_sha256": "3bb79cc3710b0fb021feaa322578f4cffe08396a97c51b34df092b5a05891d5e"
    },
    "apk_sha256": "487d2a2aba5c1cca54664925190c6c7e171a906a9b19f97592f6a42b003db1d8",
    "scan": {
      "scan_id": "c76a0422-3ced-4909-9bd6-8d1a1c5035ff",
      "scanned_at": "2026-10-07T01:34:34.500Z",
      "grade": "A",
      "score": 97
    },
    "apk_signer": {
      "scheme": "v3",
      "subject_o": "M1",
      "subject_cn": "M1",
      "sha256": "d1c9ca4a40b50a48628b2d7c2aaeb94f0cce902a7660643ac31a787af4824018",
      "not_after": "2045-12-17T12:00:17+00:00"
    },
    "counts": {
      "critical": 0,
      "high": 0,
      "medium": 0,
      "low": 4,
      "info": 1
    },
    "findings": [
      {
        "finding_type": 37,
        "severity": "info",
        "title": "Application data is backup-enabled",
        "redacted_display": "android:allowBackup=\"true\"",
        "fingerprint": "68d134f0bcd98a9559d6dd5275f80a3928e4a6490ac4a0f1bd16f87683bd49f8",
        "verified": false,
        "cwe": [
          "CWE-530",
          "CWE-312"
        ],
        "masvs": [
          "MASVS-STORAGE-1",
          "MASVS-STORAGE-2"
        ],
        "remediation": "Backup is on by default on Android; this manifest states it explicitly. If the app stores sensitive local data, define dataExtractionRules/fullBackupContent to exclude it, or set android:allowBackup=false."
      },
      {
        "finding_type": 6,
        "severity": "low",
        "title": "Private key material (third-party library artifact, shared across 185 unrelated developers)",
        "redacted_display": "-----BEGIN PRIVATE KEY----- (redacted)",
        "fingerprint": "62a91e02911570689478feddb8e4a248b9f061c782ed638a6f16cd7234cf99d3",
        "verified": false,
        "cwe": [
          "CWE-321"
        ],
        "masvs": [
          "MASVS-CRYPTO-2"
        ],
        "remediation": "Never ship private-key material in a client. Revoke/rotate the compromised key and hold it server-side or in a hardware-backed store."
      },
      {
        "finding_type": 6,
        "severity": "low",
        "title": "Private key material (third-party library artifact, shared across 185 unrelated developers)",
        "redacted_display": "-----BEGIN PRIVATE KEY----- (redacted)",
        "fingerprint": "b3a7390831348120a1fa906e96355885d14f7987e784904a539fe5b3582cdb20",
        "verified": false,
        "cwe": [
          "CWE-321"
        ],
        "masvs": [
          "MASVS-CRYPTO-2"
        ],
        "remediation": "Never ship private-key material in a client. Revoke/rotate the compromised key and hold it server-side or in a hardware-backed store."
      },
      {
        "finding_type": 20,
        "severity": "low",
        "title": "Google API key (client-shipped; restriction unverified)",
        "redacted_display": "AIza•••••••• (21–40 chars, redacted)",
        "fingerprint": "f3389535b6ec68308c4eccad5bb37e8d55fa2fa6fa2292f6fcc65897b3a146d8",
        "verified": false,
        "cwe": [
          "CWE-798"
        ],
        "masvs": [
          "MASVS-STORAGE-1"
        ],
        "remediation": "Restrict the API key (application + API restrictions in Google Cloud Console); a client-shipped key is public, so restriction is the control."
      },
      {
        "finding_type": 53,
        "severity": "low",
        "title": "Firebase Storage bucket reference",
        "redacted_display": "████████████",
        "fingerprint": "c5ac0a789a199a8569ddd124caaa7b74a445a8565c18b3a1f56fed973e50ad2a",
        "verified": false,
        "cwe": [
          "CWE-200",
          "CWE-284"
        ],
        "masvs": [
          "MASVS-STORAGE-2"
        ],
        "remediation": "Confirm the bucket/database denies anonymous read (enable auth / storage rules / RLS), then audit its contents for data already exposed while it was open."
      }
    ],
    "live_verification": {
      "verified_count": 0,
      "items": []
    },
    "trackers_count": 16,
    "pii": {
      "sources": 2,
      "identifiers": [
        "Advertising ID (AAID)",
        "Android ID",
        "Device ID / IMEI"
      ],
      "destinations": 13
    },
    "sbom": {
      "component_count": 1,
      "vuln_count": 0,
      "components": [
        {
          "name": "com.squareup.okhttp3:okhttp",
          "version": "4.10.0",
          "cves": []
        }
      ]
    },
    "control_coverage": {
      "schema": "apk-scanner.coverage/v1",
      "framework": "OWASP MASVS v2",
      "disclaimer": "Static, metadata-only analysis. Each control is scored evidence-for / gap-signal / requires-manual-testing. This is evidence toward a MASVS assessment, NOT a certification — apk-scanner.com is not an authorized assessment lab. Absence of a static finding does not prove a control passes.",
      "rows": [
        {
          "control": "MASVS-STORAGE-1",
          "category": "STORAGE",
          "title": "The app securely stores sensitive data.",
          "static": "partial",
          "status": "gap-detected",
          "count": 2,
          "findings": [
            {
              "finding_type": 37,
              "key": "allow_backup",
              "title": "Application data is backup-enabled",
              "severity": "info",
              "verified": false,
              "relationship": "gap-signal",
              "cwe": [
                530,
                312
              ]
            },
            {
              "finding_type": 20,
              "key": "google_api_key",
              "title": "Google API key (client-shipped; restriction unverified)",
              "severity": "low",
              "verified": false,
              "relationship": "gap-signal",
              "cwe": [
                798
              ]
            }
          ]
        },
        {
          "control": "MASVS-STORAGE-2",
          "category": "STORAGE",
          "title": "The app prevents leakage of sensitive data.",
          "static": "partial",
          "status": "gap-detected",
          "count": 2,
          "findings": [
            {
              "finding_type": 37,
              "key": "allow_backup",
              "title": "Application data is backup-enabled",
              "severity": "info",
              "verified": false,
              "relationship": "gap-signal",
              "cwe": [
                530,
                312
              ]
            },
            {
              "finding_type": 53,
              "key": "firebase_storage",
              "title": "Firebase Storage bucket reference",
              "severity": "low",
              "verified": false,
              "relationship": "gap-signal",
              "cwe": [
                200,
                284
              ]
            }
          ]
        },
        {
          "control": "MASVS-CRYPTO-1",
          "category": "CRYPTO",
          "title": "The app employs current strong cryptography and uses it according to best practices.",
          "static": "partial",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-CRYPTO-2",
          "category": "CRYPTO",
          "title": "The app performs key management according to best practices.",
          "static": "partial",
          "status": "gap-detected",
          "count": 2,
          "findings": [
            {
              "finding_type": 6,
              "key": "private_key",
              "title": "Private key material (third-party library artifact, shared across 185 unrelated developers)",
              "severity": "low",
              "verified": false,
              "relationship": "gap-confirmed",
              "cwe": [
                321
              ]
            },
            {
              "finding_type": 6,
              "key": "private_key",
              "title": "Private key material (third-party library artifact, shared across 185 unrelated developers)",
              "severity": "low",
              "verified": false,
              "relationship": "gap-confirmed",
              "cwe": [
                321
              ]
            }
          ]
        },
        {
          "control": "MASVS-AUTH-1",
          "category": "AUTH",
          "title": "The app uses secure authentication and authorization protocols.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-AUTH-2",
          "category": "AUTH",
          "title": "The app performs local authentication securely.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-AUTH-3",
          "category": "AUTH",
          "title": "The app secures sensitive operations with additional authentication.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-NETWORK-1",
          "category": "NETWORK",
          "title": "The app secures all network traffic according to current best practices.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-NETWORK-2",
          "category": "NETWORK",
          "title": "The app verifies the identity of the remote endpoint (e.g. certificate pinning).",
          "static": "partial",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PLATFORM-1",
          "category": "PLATFORM",
          "title": "The app uses IPC mechanisms securely.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PLATFORM-2",
          "category": "PLATFORM",
          "title": "The app uses WebViews securely.",
          "static": "partial",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PLATFORM-3",
          "category": "PLATFORM",
          "title": "The app uses the user interface securely.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-CODE-1",
          "category": "CODE",
          "title": "The app requires an up-to-date platform version.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-CODE-2",
          "category": "CODE",
          "title": "The app has a mechanism for enforcing updates.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-CODE-3",
          "category": "CODE",
          "title": "The app only uses software components without known vulnerabilities.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-CODE-4",
          "category": "CODE",
          "title": "The app validates and sanitizes all untrusted inputs and follows secure-coding practice.",
          "static": "partial",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-RESILIENCE-1",
          "category": "RESILIENCE",
          "title": "The app validates the integrity of the platform.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-RESILIENCE-2",
          "category": "RESILIENCE",
          "title": "The app implements anti-tampering mechanisms.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-RESILIENCE-3",
          "category": "RESILIENCE",
          "title": "The app implements anti-static-analysis mechanisms.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-RESILIENCE-4",
          "category": "RESILIENCE",
          "title": "The app implements anti-dynamic-analysis techniques.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PRIVACY-1",
          "category": "PRIVACY",
          "title": "The app minimizes access to sensitive data and resources.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PRIVACY-2",
          "category": "PRIVACY",
          "title": "The app prevents identification of the user.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PRIVACY-3",
          "category": "PRIVACY",
          "title": "The app is transparent about data collection and usage.",
          "static": "yes",
          "status": "no-static-findings",
          "count": 0,
          "findings": []
        },
        {
          "control": "MASVS-PRIVACY-4",
          "category": "PRIVACY",
          "title": "The app offers user control over their data.",
          "static": "manual",
          "status": "requires-manual-testing",
          "count": 0,
          "findings": []
        }
      ],
      "categories": [
        {
          "category": "STORAGE",
          "controls": 2,
          "gaps": 2,
          "verified": 0,
          "manual": 0
        },
        {
          "category": "CRYPTO",
          "controls": 2,
          "gaps": 1,
          "verified": 0,
          "manual": 0
        },
        {
          "category": "AUTH",
          "controls": 3,
          "gaps": 0,
          "verified": 0,
          "manual": 3
        },
        {
          "category": "NETWORK",
          "controls": 2,
          "gaps": 0,
          "verified": 0,
          "manual": 0
        },
        {
          "category": "PLATFORM",
          "controls": 3,
          "gaps": 0,
          "verified": 0,
          "manual": 1
        },
        {
          "category": "CODE",
          "controls": 4,
          "gaps": 0,
          "verified": 0,
          "manual": 1
        },
        {
          "category": "RESILIENCE",
          "controls": 4,
          "gaps": 0,
          "verified": 0,
          "manual": 4
        },
        {
          "category": "PRIVACY",
          "controls": 4,
          "gaps": 0,
          "verified": 0,
          "manual": 1
        }
      ]
    }
  },
  "proof": {
    "alg": "ed25519",
    "key_id": "IE6LeZNX4dAAPLGr",
    "digest_sha256": "12241337d5b8ebd08ae5f2224dea1b6e11a7fe017a972fec4412d141dfadaac5",
    "signature": "WE14tEAoWfSveAk3GREEwCM0u/B8Hlm3hikDgmq3s7t5dtGwRKIvObFaWqWGsPWlm4VDNfS+Atk+M54HNuEnBg==",
    "public_key_pem": "-----BEGIN PUBLIC KEY-----\nMCowBQYDK2VwAyEAwH2fYdYB5nD0CQslDtG3FgafcJBoOX2OGoT80Woksrk=\n-----END PUBLIC KEY-----\n",
    "verify_url": "https://apk-scanner.com/verify"
  }
}