Class | Net::IMAP::CramMD5Authenticator |
In: |
lib/net/imap.rb
|
Parent: | Object |
Authenticator for the "CRAM-MD5" authentication type. See authenticate().
# File lib/net/imap.rb, line 3197 3197: def initialize(user, password) 3198: @user = user 3199: @password = password 3200: end
# File lib/net/imap.rb, line 3190 3190: def process(challenge) 3191: digest = hmac_md5(challenge, @password) 3192: return @user + " " + digest 3193: end
# File lib/net/imap.rb, line 3202 3202: def hmac_md5(text, key) 3203: if key.length > 64 3204: key = Digest::MD5.digest(key) 3205: end 3206: 3207: k_ipad = key + "\0" * (64 - key.length) 3208: k_opad = key + "\0" * (64 - key.length) 3209: for i in 0..63 3210: k_ipad[i] ^= 0x36 3211: k_opad[i] ^= 0x5c 3212: end 3213: 3214: digest = Digest::MD5.digest(k_ipad + text) 3215: 3216: return Digest::MD5.hexdigest(k_opad + digest) 3217: end