作者: Goran Selander , Frank Hartung
DOI:
关键词:
摘要: A system, method and transcoding proxy are described herein that capable of encrypted content, like an multimedia message or a containing elements parts, which is transmitted between two devices (e.g., mobile phones). Basically, the receives from first device phone). The then requests rights object (TRO) issuer includes content encryption key (CEK) permission (optional). After receiving TRO message, able to (1) decrypt (2) transcode decrypted so it matches capabilities second could be accessed by user phone) (3) re-encrypt transcoded message. sends re-encrypted device.