KR100565916B1 - 이동 데이터 통신 장치와 교환을 위해 보안 이메일을압축하는 시스템 및 방법 - Google Patents
이동 데이터 통신 장치와 교환을 위해 보안 이메일을압축하는 시스템 및 방법 Download PDFInfo
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Abstract
Description
Claims (62)
- 암호화 메시지를 무선 이동 통신 장치로 송신하기 전에 호스트 시스템에서 암호화 메시지의 크기를 축소하는 방법으로서,(a) 제1 및 제2 메시지 수신자들에게 어드레스 지정된 메시지 송신자로부터의 암호화 메시지를 상기 호스트 시스템에서 수신하는 단계로서, 상기 암호화 메시지는 상기 제1 및 제2 메시지 수신자의 각각에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하는 것인, 상기 암호화 메시지 수신 단계와;(b) 상기 제1 메시지 수신자에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하는 제1 축소된 크기의 암호화 메시지를 상기 호스트 시스템에서 생성하는 단계로서, 상기 제1 축소된 크기의 암호화 메시지는 상기 제2 메시지 수신자에 대한 암호화 세션키를 포함하지 않는 것인, 상기 암호화 메시지 생성 단계와;(c) 상기 제1 메시지 수신자에 대응하는 무선 이동 통신 장치로 상기 제1 축소된 크기의 암호화 메시지를 송신하는 단계를 포함하고,상기 암호화 세션키는 상기 호스트 시스템이 접속되는 네트워크를 통해 다른 회사 개체(corporated entity)들로부터 전자적으로 입수 가능한 공개키에 의하여 암호화되는 것인 암호화 메시지 크기 축소 방법.
- 제1항에 있어서, 상기 제1 축소된 크기의 암호화 메시지를 생성하는 단계는, 상기 제1 축소된 크기의 암호화 메시지를 형성하기 위해서 상기 제1 메시지 수신자에 대한 상기 암호화 세션키 이외의 암호화 세션키를 삭제하는 단계를 포함하는 것인 암호화 메시지 크기 축소 방법.
- 제1항에 있어서, 상기 제1 축소된 크기의 암호화 메시지를 생성하는 단계는, 상기 제1 축소된 암호화 메시지를 형성하는 순서로 상기 제1 메시지 수신자에 대하여 상기 암호화 세션키 이외의 모든 암호화 세션키를 삭제하는 단계를 포함하는 것인 암호화 메시지 크기 축소 방법.
- 제3항에 있어서, 상기 제1 축소된 크기의 암호화 메시지를 생성하는 단계는, 메시지 수신자에게 각각의 암호화 세션키를 매핑하는 상기 메시지의 메시지 수신자 정보 필드를 삭제하는 단계를 포함하는 것인 암호화 메시지 크기 축소 방법.
- 제1항에 있어서, 복수의 메시지 수신자들 중에 대응하는 무선 이동 통신 장치를 갖고 있는 메시지 수신자가 있는지 여부를 결정하는 단계를 더 포함하고;상기 암호화 메시지를 수신하는 (a)단계는, 복수의 메시지 수신자에게 어드레스 지정된 메시지 송신자로부터 암호화 메시지를 상기 호스트 시스템에서 수신하는 단계로서, 상기 암호화 메시지는 각각의 메시지 수신자의 각각에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하는 것인, 상기 수신 단계를 포함하며;상기 제1 축소된 크기의 암호화 메시지를 생성하는 (b)단계는, 대응하는 무선 이동 통신 장치를 갖고 있는 각각의 메시지 수신자에 대하여, 상기 메시지 수신자에 대해서만 암호화 메시지 본문 및 암호화 세션키를 포함하는 축소된 크기의 암호화 메시지를 생성하는 단계를 포함하고;상기 제1 축소된 크기의 암호화 메시지를 송신하는 (c)단계는, 상기 무선 이동 통신 장치로 상기 축소된 크기의 암호화 메시지를 송신하는 단계를 포함하는 것인 암호화 메시지 크기 축소 방법.
- 제5항에 있어서, 상기 메시지 수신자 및 대응하는 무선 이동 통신 장치에 의해 단 하나의 메시지가 공유되는 것인 암호화 메시지 크기 축소 방법.
- 제5항에 있어서, 각각의 암호화 세션키는 메시지 수신자의 공개키를 이용하여 암호화되고, 상기 메시지 수신자 및 대응하는 무선 이동 통신 장치는 상기 공개키 및 관련된 비밀키를 공유하는 것인 암호화 메시지 크기 축소 방법.
- 제1항에 있어서, 상기 암호화 메시지는 서명된 후 암호화된 메시지이고, 암호화 디지털 서명을 더 포함하며;상기 제1 축소된 크기의 암호화 메시지를 생성하는 단계는, 상기 제1 메시지 수신자에 대한 암호화 메시지 본문, 암호화 디지털 서명 및 암호화 세션키를 포함하는 축소된 크기의 암호화 메시지를 생성하는 단계를 포함하는 것인 암호화 메시지 크기 축소 방법.
- 제8항에 있어서, 상기 암호화 메시지는 암호화 서명 관련 정보를 포함하고;상기 제1 축소된 크기의 암호화 메시지를 생성하는 단계는, 상기 제1 메시지 수신자에 대한 암호화 메시지 본문, 암호화 디지털 서명, 암호화 서명 관련 정보 및 암호화 세션키를 포함하는 것인 축소된 크기의 암호화 메시지를 생성하는 단계를 포함하는 것인 암호화 메시지 크기 축소 방법.
- 제1항에 있어서, 상기 암호화 메시지는 S/MIME(Secure/Multipurpose Internet Mail Extensions) 이메일 메시지인 것인 암호화 메시지 크기 축소 방법.
- 제1항에 있어서, 상기 암호화 메시지는 PGP(Pretty Good Privacy)에 따라 암호화되고, 상기 무선 이동 통신 장치로 전송하기 위하여 상기 호스트 시스템이 제2 암호화 메시지를 취급하며, 상기 제2 암호화 메시지는 S/MIME(Secure/Multipurpose Internet Mail Extensions) 이메일 메시지인 것인 암호화 메시지 크기 축소 방법.
- 청구항 제1항의 방법에 따라 생성되는 제1 축소된 크기의 암호화 메시지를 포함하는 컴퓨터 판독 가능 기록매체.
- 무선 이동 통신 장치로 송신하기 위하여 암호화 메시지의 크기를 축소하는 시스템으로서,메시지 송신자로부터의 암호화 메시지를 수신하도록 구성되고 메시지 수신자에게 어드레스 지정된 호스트 시스템으로서, 상기 암호화 메시지는 각각의 메시지 수신자에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하는 것인, 상기 호스트 시스템과;상기 호스트 시스템과 결합되고, 복수의 메시지 수신자들 중에 대응하는 무선 이동 통신 장치를 갖고 있는 메시지 수신자가 있는지 여부를 결정하며, 만일 무선 이동 통신 장치를 갖고 있는 메일 수신자가 있으면, 대응하는 무선 이동 통신 장치를 갖고 있는 각각의 메시지 수신자에 대해서, 상기 메시지 수신자에 대해서만 암호화 메시지 본문 및 암호화 세션키를 포함하는 축소된 크기의 암호화 메시지를 생성하고, 그 축소된 크기의 암호화 메시지를 상기 무선 이동 통신 장치로 송신하도록 구성되는 무선 커넥터 시스템을 포함하고,상기 메시지 수신자에 대한 적어도 2개의 암호화 세션키는 상기 호스트 시스템이 접속되는 네트워크를 통해 다른 회사 개체(corporated entity)들로부터 전자적으로 입수 가능한 공개키에 의하여 암호화되는 것인 암호화 메시지 크기 축소 시스템.
- 제13항에 있어서, 상기 호스트 시스템은 메시지 서버 시스템을 포함하는 것인 암호화 메시지 크기 축소 시스템.
- 제14항에 있어서, 상기 메시지 서버 시스템은 네트워크 보안 방어벽 뒤의 보안 네트워크에서 구현되는 것인 암호화 메시지 크기 축소 시스템.
- 제13항에 있어서, 상기 호스트 시스템은 데스크탑 컴퓨터 시스템 또는 랩톱 컴퓨터 시스템을 포함하는 것인 암호화 메시지 크기 축소 시스템.
- 제13항에 있어서, 네트워크 오퍼레이터 인프라 구조가 상기 호스트 시스템과 상기 무선 이동 통신 장치 사이에서 무선 정보 교환을 가능하게 하는 것인 암호화 메시지 크기 축소 시스템.
- 암호화 메시지를 무선 이동 통신 장치로 송신하기 전에 호스트 시스템에서 암호화 메시지의 크기를 축소하는 시스템으로서,제1 및 제2 메시지 수신자에게 어드레스 지정된 메시지 송신자로부터의 암호화 메시지를 상기 호스트 시스템에서 수신하는 수단으로서, 상기 암호화 메시지는 각각의 메시지 수신자의 각각에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하는 것인, 상기 수신 수단과;상기 제1 메시지 수신자에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하는 제1 축소된 크기의 암호화 메시지를 상기 호스트 시스템에서 생성하는 수단으로서, 상기 제1 축소된 크기의 암호화 메시지는 상기 제2 메시지 수신자에 대한 암호화 세션키를 포함하지 않는 것인, 상기 생성 수단과;상기 제1 메시지 수신자에 대응하는 무선 이동 통신 장치로 상기 제1 축소된 크기의 암호화 메시지를 송신하는 수단을 포함하고,상기 암호화 세션키는 상기 호스트 시스템이 접속되는 네트워크를 통해 다른 회사 개체(corporated entity)들로부터 전자적으로 입수 가능한 공개키에 의하여 암호화되며,상기 호스트 시스템으로 전송된 메시지를 암호화하는데 다른 전자 보안 메시징 기법을 이용하는 것인 암호화 메시지 크기 축소 시스템.
- 제1 축소된 크기의 암호화 메시지를 저장하는 메모리를 구비한 무선 장치로서,상기 제1 축소된 크기의 암호화 메시지는 메시지 송신자로부터 원격 시스템에 제공된 암호화 메시지에 기초하여 원격 시스템에 의해 생성되고, 상기 메시지 송신자로부터의 암호화 메시지는 제1 및 제2 메시지 수신자로의 어드레스를 갖고 있으며, 상기 송신자의 암호화 메시지는 상기 메시지 수신자의 각각에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하고,상기 제1 축소된 크기의 암호화 메시지는 상기 제1 메시지 수신자에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하며, 상기 원격 시스템에 의해 상기 무선 장치로 송신된 상기 제1 축소된 크기의 암호화 메시지는 상기 제2 메시지 수신자에 대한 암호화 세션키를 포함하지 않고, 상기 암호화 세션키는 상기 호스트 시스템이 접속되는 네트워크를 통해 다른 회사 개체(corporated entity)들로부터 전자적으로 입수 가능한 공개키에 의하여 암호화되는 것인 무선 장치.
- 제19항에 있어서, 상기 무선 장치는 제1 메시지 수신자와 결합하며, 그 결합은 상기 무선 장치가 상기 제1 메시지 수신자로 전송된 메시지를 수신하는 것을 표시하는 것인 무선 장치.
- 제19항에 있어서, 상기 원격 시스템은 호스트 시스템을 포함하는 것인 무선 장치.
- 제19항에 있어서, 상기 호스트 시스템은 무선 접속 시스템을 포함하는 것인 무선 장치.
- 제1 축소된 크기의 암호화 메시지를 포함하는 반송파에 실리는 컴퓨터 데이터 신호를 포함하는 컴퓨터 판독 가능 기록매체로서,상기 제1 축소된 크기의 암호화 메시지는 메시지 송신자로부터 원격 시스템으로 제공된 암호화 메시지에 기초하여 원격 시스템에 의해 생성되고, 상기 메시지 송신자로부터 제공된 상기 암호화 메시지는 제1 및 제2 메시지 수신자로의 어드레스를 갖고 있으며, 상기 송신자의 암호화 메시지는 상기 메시지 수신자의 각각에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하고,상기 제1 축소된 크기의 암호화 메시지는 상기 제1 메시지 수신자에 대한 암호화 메시지 본문 및 암호화 세션키를 포함하며, 상기 원격 시스템에 의해 상기 무선 장치로 송신된 상기 제1 축소된 크기의 암호화 메시지는 상기 제2 메시지 수신자에 대한 암호화 세션키를 포함하지 않으며, 상기 암호화 세션키는 상기 호스트 시스템이 접속되는 네트워크를 통해 다른 회사 개체(corporated entity)들로부터 전자적으로 입수 가능한 공개키에 의하여 암호화되는 것인컴퓨터 데이터 신호를 포함하는 컴퓨터 판독 가능 기록매체.
- 부호화 메시지를 무선 이동 통신 장치로 전송하기 전에 호스트 컴퓨터에서 부호화 메시지를 처리하는 방법으로서,복수의 메시지 수신자에게 어드레스 지정된 메시지 송신자에 의해 부호화된 메시지를 상기 호스트 시스템에서 수신하는 단계로서, 상기 부호화된 메시지의 적어도 일부분은 상기 호스트 시스템이 접속되는 네트워크를 통해 다른 회사 개체(corporated entity)들로부터 전자적으로 이용가능한 전자 비대칭 보안키에 의해 부호화되는 것인, 상기 수신 단계와,복수의 메시지 수신자 중에 대응하는 무선 이동 통신 장치를 갖고 있는 메시지 수신자가 있는지를 결정하는 단계와,대응하는 무선 이동 통신 장치를 갖고 있는 각각의 메시지 수신자에 대해서, 암호화 형태, 인증서 형태 및 이들의 조합으로 이루어진 그룹에서 선택된 부호화 형태에 관하여 상기 메시지를 수정하기 위해 상기 부호화 메시지를 처리하는 단계와,상기 처리된 메시지를 상기 대응하는 무선 이동 통신 장치로 전송하는 단계를 포함하는 호스트 시스템에서 부호화 메시지 처리 방법.
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2002
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- 2002-06-12 AU AU2002311039A patent/AU2002311039A1/en not_active Abandoned
- 2002-06-12 US US10/480,613 patent/US7254712B2/en not_active Expired - Lifetime
- 2002-06-12 IL IL15934102A patent/IL159341A0/xx unknown
- 2002-06-12 EP EP02734959A patent/EP1410293A2/en not_active Ceased
- 2002-06-12 EP EP09166522A patent/EP2112625A3/en not_active Ceased
- 2002-06-12 JP JP2003504294A patent/JP3926792B2/ja not_active Expired - Lifetime
- 2002-06-12 KR KR1020037016486A patent/KR100565916B1/ko active IP Right Grant
- 2002-06-12 CA CA2450601A patent/CA2450601C/en not_active Expired - Lifetime
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2003
- 2003-12-11 IL IL159341A patent/IL159341A/en unknown
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2007
- 2007-07-11 US US11/776,099 patent/US7657736B2/en not_active Expired - Lifetime
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2010
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CA2450601A1 (en) | 2002-12-19 |
US20040205330A1 (en) | 2004-10-14 |
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US20100122089A1 (en) | 2010-05-13 |
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US20130007459A1 (en) | 2013-01-03 |
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IL159341A (en) | 2010-12-30 |
EP2112625A2 (en) | 2009-10-28 |
AU2002311039A1 (en) | 2002-12-23 |
EP2112625A3 (en) | 2010-03-10 |
CA2450601C (en) | 2012-10-16 |
JP3926792B2 (ja) | 2007-06-06 |
US7657736B2 (en) | 2010-02-02 |
US8291212B2 (en) | 2012-10-16 |
IL159341A0 (en) | 2004-06-01 |
WO2002101605A2 (en) | 2002-12-19 |
US8898473B2 (en) | 2014-11-25 |
KR20040019017A (ko) | 2004-03-04 |
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