Title:
正規受信者への安全なファイル配信のためのシステムおよび方法
Document Type and Number:
Japanese Patent JP4755689
Kind Code:
B2
Abstract:
A method and system for decoding an encrypted file. A recipient computer of a recipient: extracts an encoded address from a filename of the encrypted file, wherein the encoded address identifies where a voice check ticket is stored, wherein a prior name of the encrypted file and the encoded address are merged together within the filename; accesses the voice check ticket at the encoded address; receives, from the voice check ticket, voice check text; displays the received voice check text visually on a computer display of the recipient computer; receives an audio signal from a reading aloud, by the recipient, of the displayed voice check text; transmits the received audio signal to a server computer that includes a voice check server; receives an encryption key from the voice check server; and decrypts the received encrypted file using the received encryption key.
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Inventors:
Inceltis Caro, Fernando
Application Number:
JP2008523270A
Publication Date:
August 24, 2011
Filing Date:
April 27, 2006
Export Citation:
Assignee:
INTERNATIONAL BUSINESS MASCHINES CORPORATION
International Classes:
G06F13/00; G06F1/00; G06F3/16; H04L9/32
Domestic Patent References:
| JP10243105A | ||||
| JP2001144745A | ||||
| JP2002342145A |
Foreign References:
| WO2005098566A1 |
Attorney, Agent or Firm:
Takeshi Ueno
Tasaichi Tanae
Yoshihiro City
Hiroshi Sakaguchi
Tasaichi Tanae
Yoshihiro City
Hiroshi Sakaguchi