一个base64解码和编码的问题

hein · 发表于 2020-3-17 20:47

本帖最后由 hein 于 2020-3-17 21:24 编辑

adobe导出xml中文本图形的文本属性会编码为一个base64
下面第一段用网上的解码、编码都不能相互还原，感觉解码不对，解码头上会有几个乱码
第二段含有中文("mText":""里面的字符应该是“啊啊啊啊啊啊”)，更不对了，不知道有没有正确的编解码程序

FAgAAAAAAAB7ACIAbQBUAGUAeAB0AFAAYQByAGEAbQAiADoAewAiAG0AQQBsAGkAZwBuAG0AZQBuAHQAIgA6ADIALAAiAG0ARABlAGYAYQB1AGwAdABSAHUAbgAiADoAWwBdACwAIgBtAEgAZQBpAGcAaAB0ACIAOgAwACwAIgBtAEgAaQBuAGQAaQBEAGkAZwBpAHQAcwAiADoAZgBhAGwAcwBlACwAIgBtAEkAbgBkAGkAYwAiADoAZgBhAGwAcwBlACwAIgBtAEkAcwBWAGUAcgB0AGkAYwBhAGwAVABlAHgAdAAiADoAZgBhAGwAcwBlACwAIgBtAEwAZQBhAGQAaQBuAGcAIgA6ADAALAAiAG0ATABpAGcAYQB0AHUAcgBlAHMAIgA6AGYAYQBsAHMAZQAsACIAbQBSAFQATAAiADoAZgBhAGwAcwBlACwAIgBtAFMAaABhAGQAbwB3AEEAbgBnAGwAZQAiADoAMQAzADUALAAiAG0AUwBoAGEAZABvAHcAQgBsAHUAcgAiADoANAAwACwAIgBtAFMAaABhAGQAbwB3AEMAbwBsAG8AcgAiADoANAAxADQANAA5ADUAOQAsACIAbQBTAGgAYQBkAG8AdwBPAGYAZgBzAGUAdAAiADoANwAsACIAbQBTAGgAYQBkAG8AdwBPAHAAYQBjAGkAdAB5ACIAOgA3ADUALAAiAG0AUwBoAGEAZABvAHcAUwBpAHoAZQAiADoAMAAsACIAbQBTAGgAYQBkAG8AdwBWAGkAcwBpAGIAbABlACIAOgBmAGEAbABzAGUALAAiAG0AUwB0AHkAbABlAFMAaABlAGUAdAAiADoAewAiAG0AQgBhAHMAZQBsAGkAbgBlAE8AcAB0AGkAbwBuACIAOgB7ACIAbQBQAGEAcgBhAG0AVgBhAGwAdQBlAHMAIgA6AFsAWwAwACwAMABdAF0AfQAsACIAbQBCAGEAcwBlAGwAaQBuAGUAUwBoAGkAZgB0ACIAOgB7ACIAbQBQAGEAcgBhAG0AVgBhAGwAdQBlAHMAIgA6AFsAWwAwACwAMABdAF0AfQAsACIAbQBDAGEAcABzAE8AcAB0AGkAbwBuACIAOgB7ACIAbQBQAGEAcgBhAG0AVgBhAGwAdQBlAHMAIgA6AFsAWwAwACwAMABdAF0AfQAsACIAbQBGAGEAdQB4AEIAbwBsAGQAIgA6AHsAIgBtAFAAYQByAGEAbQBWAGEAbAB1AGUAcwAiADoAWwBbADAALABmAGEAbABzAGUAXQBdAH0ALAAiAG0ARgBhAHUAeABJAHQAYQBsAGkAYwAiADoAewAiAG0AUABhAHIAYQBtAFYAYQBsAHUAZQBzACIAOgBbAFsAMAAsAGYAYQBsAHMAZQBdAF0AfQAsACIAbQBGAGkAbABsAEMAbwBsAG8AcgAiADoAewAiAG0AUABhAHIAYQBtAFYAYQBsAHUAZQBzACIAOgBbAFsAMAAsADEANgA3ADcANwAyADEANQBdAF0AfQAsACIAbQBGAGkAbABsAE8AdgBlAHIAUwB0AHIAbwBrAGUAIgA6AHsAIgBtAFAAYQByAGEAbQBWAGEAbAB1AGUAcwAiADoAWwBbADAALAB0AHIAdQBlAF0AXQB9ACwAIgBtAEYAaQBsAGwAVgBpAHMAaQBiAGwAZQAiADoAewAiAG0AUABhAHIAYQBtAFYAYQBsAHUAZQBzACIAOgBbAFsAMAAsAHQAcgB1AGUAXQBdAH0ALAAiAG0ARgBvAG4AdABOAGEAbQBlACIAOgB7ACIAbQBQAGEAcgBhAG0AVgBhAGwAdQBlAHMAIgA6AFsAWwAwACwAIgBTAGkAbQBIAGUAaQAiAF0AXQB9ACwAIgBtAEYAbwBuAHQAUwBpAHoAZQAiADoAewAiAG0AUABhAHIAYQBtAFYAYQBsAHUAZQBzACIAOgBbAFsAMAAsADUAMwBdAF0AfQAsACIAbQBLAGUAcgBuAGkAbgBnACIAOgB7ACIAbQBQAGEAcgBhAG0AVgBhAGwAdQBlAHMAIgA6AFsAWwAwACwAMABdAF0AfQAsACIAbQBTAHQAcgBvAGsAZQBDAG8AbABvAHIAIgA6AHsAIgBtAFAAYQByAGEAbQBWAGEAbAB1AGUAcwAiADoAWwBbADAALAAwAF0AXQB9ACwAIgBtAFMAdAByAG8AawBlAFYAaQBzAGkAYgBsAGUAIgA6AHsAIgBtAFAAYQByAGEAbQBWAGEAbAB1AGUAcwAiADoAWwBbADAALAB0AHIAdQBlAF0AXQB9ACwAIgBtAFMAdAByAG8AawBlAFcAaQBkAHQAaAAiADoAewAiAG0AUABhAHIAYQBtAFYAYQBsAHUAZQBzACIAOgBbAFsAMAAsADUAXQBdAH0ALAAiAG0AVABlAHgAdAAiADoAIgBzAGQAYQAgAGEAcwBkACAAYQBhACIALAAiAG0AVAByAGEAYwBrAGkAbgBnACIAOgB7ACIAbQBQAGEAcgBhAG0AVgBhAGwAdQBlAHMAIgA6AFsAWwAwACwAMABdAF0AfQAsACIAbQBUAHMAdQBtAGkAIgA6AHsAIgBtAFAAYQByAGEAbQBWAGEAbAB1AGUAcwAiADoAWwBbADAALAAwAF0AXQB9AH0ALAAiAG0AVABhAGIAVwBpAGQAdABoACIAOgA0ADAAMAAsACIAbQBXAGkAZAB0AGgAIgA6ADAAfQAsACIAbQBWAGUAcgBzAGkAbwBuACIAOgAxAH0A

复制代码

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

复制代码

问题参考网页：https://community.adobe.com/t5/p ... td-p/9477477?page=1

mayourt · 发表于 2020-3-17 21:31

本帖最后由 mayourt 于 2020-3-17 21:43 编辑

windows下面用Unicode编的码，"啊"是 \u554a，用 https://the-x.cn/base64 转纯16进制，可以找到 55 4a，就是那个变成JUJU的
补充 https://www.base64decode.org/ 选 UCS2-LE

hein · 发表于 2020-3-17 22:04

mayourt 发表于 2020-3-17 21:31
windows下面用Unicode编的码，"啊"是 %u554a，用 https://the-x.cn/base64 转纯16进制，可以找到 55 4a，就 ...

感谢，中文懂了，不过不管中英文解码出来开头都有个“ࠒ”
然后在网页上再编码回去就不对了，pr也无法识别

是不是要本地找一个程序执行，不能通过网页和复制黏贴来弄？

mayourt · 发表于 2020-3-17 22:20

本帖最后由 mayourt 于 2020-3-17 22:32 编辑

hein 发表于 2020-3-17 22:04
感谢，中文懂了，不过不管中英文解码出来开头都有个“ࠒ”
然后在网页上再编码回去就不对了，pr也无法识别 ...

第一个去掉 FAgAAAAAAAB7ACIA ，第二个去掉 EggAAAAAAAB7ACIA ，这两个应该是包头，你可以改后面的然后用这个包头拼接下，看下对不对，现在怀疑 FAgA 和 EggA 是校验码，或者对应文件的序号，0x12(第18个) 0x14（第16个）

hein · 发表于 2020-3-17 23:47

本帖最后由 hein 于 2020-3-18 00:10 编辑

mayourt 发表于 2020-3-17 22:20
第一个去掉 FAgAAAAAAAB7ACIA ，第二个去掉 EggAAAAAAAB7ACIA ，这两个应该是包头，你可以改后面的然后用 ...

感谢
AAAAAAB7ACIA是json开头{"

FAgA好像是序号
现在有这些
EggA
FAgA
PggA

又开了个这两个
LggA
GggA

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[软件] 一个base64解码和编码的问题

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