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cnTC260

基于TC260,TC260-PG-20258A和GB45438—2025 人工智能生成合成内容标识方法 元数据隐式标识 https://www.tc260.org.cn/front/postDetail.html?id=20250828165129

GB45438—2025

https://www.xiongan.gov.cn/20250617/99e8309670814bdba91b3bcbfaca4e6c/2025061799e8309670814bdba91b3bcbfaca4e6c_38598ff9004470443c9195f1655adb29a0.pdf

# macOS
brew install exempi
# linux
sudo apt-get install libexempi3
pip3 install python-xmp-toolkit
pip3 install cntc260
from cntc260.tc260 import GBxmp

xmpAigcVal = {"Label": "1","ContentProducer": "公司名 或 备案号","ProduceID": "A2012102390129310","ReservedCode1": "","ContentPropagator": "云空间服务商或你自己的服务器","PropagateID": "此处传入空间名、文件名或唯一识别编号","ReservedCode2": "computer,1|human,0|" }
xmpDcVal = {"title":"标题cnTC260","description":"作品描述cnTC260","contentProducer":"工具或平台名称cnTC260","creator":"作者cnTC260","id": "100001","rights":"Copyright 2025 作者/工具或平台名称 cntc260 保留所有权利。未经许可,不得商用。","CreateDate": '2025-09-04T15:30:00+08:00'}

w = GBxmp("./aigc.jpg", isTest=True)
w.setHashPrefix("cnTC260_")
w.setDCDic(xmpDcVal)
w.setAIGC(xmpAigcVal)
w.writeXmp()
# 示例调用:写入到 ./aigc.jpg
xmpDcVal={"title":"标题cnTC260",
          "description":"作品描述cnTC260",
          "contentProducer":"工具或平台名称cnTC260",
          "creator":"作者cnTC260",
          "id": "100001",
          "rights":"Copyright 2025 作者/工具或平台名称 cntc260 保留所有权利。未经许可,不得商用。",
          "CreateDate":"2025-09-04T15:30:00+08:00"
          }
xmpAigcVal = {
    # GB45438—2025
    # https://www.xiongan.gov.cn/20250617/99e8309670814bdba91b3bcbfaca4e6c/2025061799e8309670814bdba91b3bcbfaca4e6c_38598ff9004470443c9195f1655adb29a0.pdf
    # 生成合成标签要素由 Label表示,取值为value1,应符合以下要求。
    # 1) 存储内容属于、可能、疑似为人工智能生成合成的属性信息:
    # 属于人工智能生成合成内容的,value1 的值取1;
    # 可能为人工智能生成合成内容的,value1 的值取2;
    # 疑似为人工智能生成合成内容的,value1 的值取3。
    # 2) 类型为字符串。
    "Label": "1",

    # ) 生成合成服务提供者要素由 ContentProducer表示,取值为value2,应符合以下要求:
    # 1) 存储生成合成服务提供者的名称或编码;
    # 2) 类型为字符串。
    "ContentProducer": "公司名 或 备案号",

    # 内容制作编号要素由 ProduceID表示,取值为value3,应符合以下要求:
    # 1) 存储生成合成服务提供者对该【内容的唯一编号】;
    # 2) 类型为字符串。
    "ProduceID": "A2012102390129310",

    # 预留字段1由 ReservedCode1表示,取值为value4,要求如下:
    # 1) 可存储用于生成合成服务提供者自主开展安全防护,保护内容、标识完整性的信息;
    # 2) 类型应为字符串。
    # 注2:生成合成服务提供者使用预留字段1进行文件元数据隐式标识安全防护的示例见附录 F的 F.4。
    # 生成合成服务提供者使用杂凑算法对文件元数据信息进行数字签名,并将结果存储在预留字段1
    # 中的示例如下所示。
    # "ReservedCode1":"e862483430d978cbf828b8b24296ef9328d843a0"
    # by cuba3 建议杂凑算法(SHA-256,性能有问题可以考虑降低为MD5)
    "ReservedCode1": "",

    # g) 内容传播服务提供者要素由 ContentPropagator表示,取值为value5,应符合以下要求:
    # 1) 存储内容传播服务提供者的名称或编码;
    # 2) 类型为字符串。
    "ContentPropagator": "传播平台、云空间服务商或你自己的服务器",

    # h) 内容传播编号要素由 PropagateID表示,取值为value6,应符合以下要求:
    # 1) 存储内容传播服务提供者对该内容的唯一编号;
    # 2) 类型为字符串。
    "PropagateID": "此处传入空间名、文件名或唯一识别编号",

    # ) 预留字段2由 ReservedCode2表示,取值为value7,要求如下:
    # 1) 可存储用于内容传播服务提供者自主开展安全防护,保护内容、标识完整性的信息;
    # 2) 类型应为字符串。
    "ReservedCode2": "computer,1|human,0|"
}

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