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This article mainly explains the "nodejs development WeChat Mini Programs how to achieve password encryption", the article explains the content is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "nodejs development WeChat Mini Programs how to achieve password encryption" bar!

Add a function to the util.js file in utils to convert a string to a hexadecimal encrypted string:

Function encodeUTF8 (s) {var I, r = [], c, x for (I = 0; I)

> 6 & 0x1F), 0x80 + (c & 0x3F); else {if ((x = c ^ 0xD800) > 10 = = 0) / / A pair of four-byte UTF-16 is converted to Unicodec = (x > 18 & 0x7), 0x80 + (c > 12 & 0x3F); else r.push (0xE0 + (c > 12 & 0xF)); r.push (0x80 + (c > 6 & 0x3F), 0x80 + (c & 0x3F));}; return r;} / / the string is encrypted into the hex string function sha1 (s) {var data = new Uint8Array (encodeUTF8 (s)) var I, j, tten var l = (data.length + 8) > 6

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