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 3169 3169: def initialize(user, password) 3170: @user = user 3171: @password = password 3172: end
# File lib/net/imap.rb, line 3162 3162: def process(challenge) 3163: digest = hmac_md5(challenge, @password) 3164: return @user + " " + digest 3165: end
# File lib/net/imap.rb, line 3174 3174: def hmac_md5(text, key) 3175: if key.length > 64 3176: key = Digest::MD5.digest(key) 3177: end 3178: 3179: k_ipad = key + "\0" * (64 - key.length) 3180: k_opad = key + "\0" * (64 - key.length) 3181: for i in 0..63 3182: k_ipad[i] ^= 0x36 3183: k_opad[i] ^= 0x5c 3184: end 3185: 3186: digest = Digest::MD5.digest(k_ipad + text) 3187: 3188: return Digest::MD5.hexdigest(k_opad + digest) 3189: end