[英]openssl hmac differ from python hmac
with: 有:
KEY='7vgd39eyxald9sucClM7'
DATA='POST\nmultipart/form-data\nWed, 10 Jun 2015 07:27:43 GMT\n/1/classes/item\nx-wbs-uid:f886a495220975d724ff3679a5cc9cef04343076'
in command line 在命令行中
HASH_BIN=`echo -n "$DATA" | openssl dgst -sha256 -mac HMAC -macopt key:$KEY -binary`
openssl enc -e -base64 <<< $HASH_BIN
result: VmBdzRcNg0OJZVVLSgg1zcViflug9iqtb6Gsnjqf9F8K
in python 在python中
import hmac, hashlib, base64
hash = hmac.new(KEY, DATA, hashlib.sha256).digest()
base64.encodestring(hash).strip()
result: u6Poj7Jqrz6+wvXDNyK88pVm5iKUF6RUmq2P2LtHmuE=
Can someone give me a help??? 有人可以给我一个帮助吗? Thanks a lot.
非常感谢。
It should be caused by the DATA
string definition in your python code. 它应该是由python代码中的
DATA
字符串定义引起的。
You need add r
to treat the DATA
as a raw string, such as 您需要添加
r
以将DATA
视为原始字符串,例如
DATA=r'POST\nmultipart/form-data\nWed, 10 Jun 2015 07:27:43 GMT\n/1/classes...'
With the r
, all escape codes in DATA
will be ignored. 使用
r
,将忽略DATA
所有转义码。 That is to say, '\\n' will be treated as a newline character, but r'\\n' will be treated as the characters \\ followed by n. 也就是说,'\\ n'将被视为换行符,但r'\\ n'将被视为字符\\后跟n。 In Python,
在Python中,
'\n' // 0x0d
r'\n' // 0x5c 0x6e
With the r
, it will output the result equals to output via openssl, 使用
r
,它将输出结果等于通过openssl输出,
VmBdzRcNg0OJZVVLSgg1zcViflug9iqtb6Gsnjqf9F8K
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