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我正在尝试在 couchdb 中存储一些加密数据。我需要在 couchdb 中存储盐和加密密码。盐是使用 python 的 os.urandom(8) 生成的，其示例输出如下所示：

'z/\xfe\xdf\xdeJ=y'

我正在使用 python-couchdb api 来存储文档。当我尝试保存文档时，我得到：

Traceback (most recent call last):
  File "<console>", line 1, in <module>
  File "build/bdist.macosx-10.7-intel/egg/couchdb/client.py", line 343, in __setitem__
    status, headers, data = resource.put_json(body=content)
  File "build/bdist.macosx-10.7-intel/egg/couchdb/http.py", line 499, in put_json
    **params)
  File "build/bdist.macosx-10.7-intel/egg/couchdb/http.py", line 514, in _request_json
    headers=headers, **params)
  File "build/bdist.macosx-10.7-intel/egg/couchdb/http.py", line 510, in _request
    credentials=self.credentials)
  File "build/bdist.macosx-10.7-intel/egg/couchdb/http.py", line 260, in request
    body = json.encode(body).encode('utf-8')
  File "build/bdist.macosx-10.7-intel/egg/couchdb/json.py", line 68, in encode
    return _encode(obj)
  File "build/bdist.macosx-10.7-intel/egg/couchdb/json.py", line 129, in <lambda>
    dumps(obj, allow_nan=False, ensure_ascii=False)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/__init__.py", line 238, in dumps
    **kw).encode(obj)
  File "/System/Library/Frameworks/Python.framework/Versions/2.7/lib/python2.7/json/encoder.py", line 204, in encode
    return ''.join(chunks)
UnicodeDecodeError: 'ascii' codec can't decode byte 0xfe in position 3: ordinal not in range(128)
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2 回答 2

1

在保存之前将其编码为 base64 或十六进制，或将其保存在二进制字段中。

于 2012-02-28T18:22:26.793 回答
0

将 urandom 的输出编码为 base 64，如下所示：

os.urandom(8).encode('base64')

根据此线程中的示例

于 2015-04-03T15:13:35.083 回答