Net::IMAP::CramMD5Authenticator
Net::IMAP::CramMD5Authenticator类
Parent:Object
“CRAM-MD5”为身份验证类型的身份验证器。请参阅authenticate()。
公共类方法
new(user, password) Show source
# File lib/net/imap.rb, line 3472
def initialize(user, password)
@user = user
@password = password
end
公共实例方法
process(challenge) Show source
# File lib/net/imap.rb, line 3465
def process(challenge)
digest = hmac_md5(challenge, @password)
return @user + " " + digest
end
私有实例方法
hmac_md5(text, key) Show source
# File lib/net/imap.rb, line 3477
def hmac_md5(text, key)
if key.length > 64
key = Digest::MD5.digest(key)
end
k_ipad = key + "\0" * (64 - key.length)
k_opad = key + "\0" * (64 - key.length)
for i in 0..63
k_ipad[i] = (k_ipad[i].ord ^ 0x36).chr
k_opad[i] = (k_opad[i].ord ^ 0x5c).chr
end
digest = Digest::MD5.digest(k_ipad + text)
return Digest::MD5.hexdigest(k_opad + digest)
end