{"action":"created","issue":{"url":"https://api.github.com/repos/yiyern/yiyern.github.io/issues/39","repository_url":"https://api.github.com/repos/yiyern/yiyern.github.io","labels_url":"https://api.github.com/repos/yiyern/yiyern.github.io/issues/39/labels{/name}","comments_url":"https://api.github.com/repos/yiyern/yiyern.github.io/issues/39/comments","events_url":"https://api.github.com/repos/yiyern/yiyern.github.io/issues/39/events","html_url":"https://github.com/yiyern/yiyern.github.io/issues/39","id":361138440,"node_id":"MDU6SXNzdWUzNjExMzg0NDA=","number":39,"title":"SHA1算法","user":{"login":"yiyern","id":15992784,"node_id":"MDQ6VXNlcjE1OTkyNzg0","avatar_url":"https://avatars2.githubusercontent.com/u/15992784?v=4","gravatar_id":"","url":"https://api.github.com/users/yiyern","html_url":"https://github.com/yiyern","followers_url":"https://api.github.com/users/yiyern/followers","following_url":"https://api.github.com/users/yiyern/following{/other_user}","gists_url":"https://api.github.com/users/yiyern/gists{/gist_id}","starred_url":"https://api.github.com/users/yiyern/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yiyern/subscriptions","organizations_url":"https://api.github.com/users/yiyern/orgs","repos_url":"https://api.github.com/users/yiyern/repos","events_url":"https://api.github.com/users/yiyern/events{/privacy}","received_events_url":"https://api.github.com/users/yiyern/received_events","type":"User","site_admin":false},"labels":[],"state":"open","locked":false,"assignee":null,"assignees":[],"milestone":null,"comments":0,"created_at":"2018-09-18T05:13:44Z","updated_at":"2018-09-18T05:34:09Z","closed_at":null,"author_association":"OWNER","body":"![](https://upload-images.jianshu.io/upload_images/3300429-a64f25ae985a6365.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1000/format/webp)\r\n![](https://upload-images.jianshu.io/upload_images/3300429-7074db2cf8810f86.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/950/format/webp)\r\n![](https://upload-images.jianshu.io/upload_images/3300429-eb3b4961f3ab49e6.png?imageMogr2/auto-orient/strip%7CimageView2/2/w/1000/format/webp)"},"comment":{"url":"https://api.github.com/repos/yiyern/yiyern.github.io/issues/comments/422260901","html_url":"https://github.com/yiyern/yiyern.github.io/issues/39#issuecomment-422260901","issue_url":"https://api.github.com/repos/yiyern/yiyern.github.io/issues/39","id":422260901,"node_id":"MDEyOklzc3VlQ29tbWVudDQyMjI2MDkwMQ==","user":{"login":"yiyern","id":15992784,"node_id":"MDQ6VXNlcjE1OTkyNzg0","avatar_url":"https://avatars2.githubusercontent.com/u/15992784?v=4","gravatar_id":"","url":"https://api.github.com/users/yiyern","html_url":"https://github.com/yiyern","followers_url":"https://api.github.com/users/yiyern/followers","following_url":"https://api.github.com/users/yiyern/following{/other_user}","gists_url":"https://api.github.com/users/yiyern/gists{/gist_id}","starred_url":"https://api.github.com/users/yiyern/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/yiyern/subscriptions","organizations_url":"https://api.github.com/users/yiyern/orgs","repos_url":"https://api.github.com/users/yiyern/repos","events_url":"https://api.github.com/users/yiyern/events{/privacy}","received_events_url":"https://api.github.com/users/yiyern/received_events","type":"User","site_admin":false},"created_at":"2018-09-18T05:34:09Z","updated_at":"2018-09-18T05:34:09Z","author_association":"OWNER","body":"## 说人话：\r\n- 第一步，要加密的信息长度必须保证是512的倍数，所以不够的话需要继续补充，保持成为512的N倍\r\n- 第二步，把原始消息的长度附加到已经补位的消息之后\r\n- 第三步，将补充够的消息按照512长度进行分组，划分为N块\r\n- 第四步，将每块数据进行处理获得数字摘要"}}
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