发明名称 |
METHOD FOR RECEIVING/SENDING MULTIMEDIA MESSAGES |
摘要 |
A multimedia messaging system for receiving/sending multimedia messages, includes: a wireless LAN; and a MMS gateway. The MMS gateway performs: receiving/sending the multimedia message to/from a MMS user device via the wireless LAN; and encrypting the multimedia message. The encryption is performed by: issuing a certificate to the MMS user device; sending a session ID and a master key encrypted by the MMS gateway's private key to the MMS user device in response to a request of the MMS user device having the certificate; generated a shared secret key using an algorithm combining the master key with the MMS user device's phone number and the session ID; and encrypting the multimedia message using the shared secret key. |
申请公布号 |
US2012331297(A1) |
申请公布日期 |
2012.12.27 |
申请号 |
US201213602761 |
申请日期 |
2012.09.04 |
申请人 |
SHEN JUN;SONG SONG;SUN PEI;ZHANG JIAN MING;INTERNATIONAL BUSINESS MACHINES CORPORATION |
发明人 |
SHEN JUN;SONG SONG;SUN PEI;ZHANG JIAN MING |
分类号 |
H04L9/32;H04L12/28;H04L12/56;H04L12/58 |
主分类号 |
H04L9/32 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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