{
  "added_at": "2026-11-09",
  "additional_evidence_urls": [
    "https://github.com/thebabush/bline/blob/0b706968c1b8e61e7108748143b11a9ab7733e31/LICENSE"
  ],
  "category": "reconstruction-cases",
  "class": "apps",
  "description_en": "bline investigates an earlier LINE voice-call stack and supplies tools for its custom ZLIB-compressed SIP data. The repository includes a compression and decompression library, a command-line pipe utility and a Kaitai Struct definition for heartbeat messages.",
  "description_zh": "bline 研究 LINE 早期的语音通话软件栈，并提供处理其自定义 ZLIB 压缩 SIP 数据的工具。仓库包含压缩与解压库、命令行管道工具，以及心跳报文的 Kaitai Struct 定义。",
  "entry_url": "https://awesomerea.org/resources/bline-line-voip-case/",
  "entry_url_zh": "https://awesomerea.org/zh/resources/bline-line-voip-case/",
  "evidence_url": "https://github.com/thebabush/bline/blob/0b706968c1b8e61e7108748143b11a9ab7733e31/README.md",
  "group": "cases",
  "id": "bline-line-voip-case",
  "json_url": "https://awesomerea.org/resources/bline-line-voip-case/record.json",
  "kind": "case-study",
  "markdown_url": "https://awesomerea.org/resources/bline-line-voip-case/index.md",
  "markdown_url_zh": "https://awesomerea.org/zh/resources/bline-line-voip-case/index.md",
  "name": "bline: decoding LINE voice-call traffic",
  "name_zh": "bline：解析 LINE 语音通话流量",
  "record_type": "resource",
  "relationship": "independent-reconstruction",
  "requirement_facets": [
    "scope",
    "limits",
    "license"
  ],
  "requirements": [
    "The findings concern an earlier LINE voice-call stack that the author says was later rewritten.",
    "The role of encryption and the audio payload format remain unexplained.",
    "MIT License."
  ],
  "requirements_zh": [
    "研究对象是 LINE 较早的语音通话软件栈；作者称其后来已重写。",
    "加密机制的用途和音频载荷格式尚未解析。",
    "MIT 许可证。"
  ],
  "targets": [
    "app",
    "protocol"
  ],
  "url": "https://github.com/thebabush/bline",
  "verification": "source-reviewed",
  "verified_at": "2026-11-06"
}