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Replace openssl call with pyopenssl

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The last remaining call to openssl is replaced by an equivalent
call to pyopenssl, which returns a similar string.
The regular expressions are changed to deal with the difference
in the string returned.
This commit is contained in:
David Klaftenegger 2016-04-07 02:24:35 +02:00 committed by Markus Hauschild
parent c4e1152ed4
commit c8a72094d1
1 changed files with 5 additions and 8 deletions
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13
acertmgr_ssl.py
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@ -67,14 +67,11 @@ def read_key(path):
# @param key the account key
# @return the header for ACME
def acme_header(key):
proc = subprocess.Popen(['openssl', 'rsa', '-modulus', '-noout', '-text'],
stdin=subprocess.PIPE, stdout=subprocess.PIPE, stderr=subprocess.PIPE)
out, err = proc.communicate(crypto.dump_privatekey(crypto.FILETYPE_PEM, key))
if proc.returncode != 0:
raise IOError("OpenSSL Error: {0}".format(err))
pub_exp, pub_mod = re.search(
r"publicExponent: [0-9]+ \(0x([0-9A-F]+)\).+Modulus=([0-9A-F]+)",
out.decode('utf8'), re.DOTALL).groups()
txt = crypto.dump_privatekey(crypto.FILETYPE_TEXT, key)
pub_mod, pub_exp = re.search(
r"modulus:\n\s+00:([0-9a-f:\s]+)\npublicExponent: [0-9]+ \(0x([0-9A-F]+)\)",
txt.decode('utf8'), re.DOTALL).groups()
pub_mod = re.sub('[:\s]', '', pub_mod)
pub_exp = "0{0}".format(pub_exp) if len(pub_exp) % 2 else pub_exp
header = {
"alg": "RS256",