Đồ án 3 presentation preview
TRANSCRIPT
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ĐỒ ÁN 3PREVIEW VERSION
SOME FEW FIRST SLIDES
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MỘT SỐ PHƯƠNG PHÁP GÀI BẪY VÀO HỆ MẬT RSA
BÁO CÁO ĐỒ ÁN 3 VÀ THỰC TẬP KỸ THUẬT
Sinh viên:Số hiệu sinh viên:
Lớp:Giáo viên hướng dẫn:
Nguyễn Tuấn Anh20090131Toán tin 1 K54PGS. TS. Phan Trung Huy
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Tình hình th
ời sự
Hệ mật RSA
Kịch bản g
ài bẫy
3 Phương pháp
gài bẫy4
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An ninh thông tinlà vấn đề
bức thiết
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Tài chính Quốc phòng
Tiền bạc Chính trị
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APT
Malware
XSS
ExploitDDOS
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KleptographyMalicious Cryptography
Gài bẫy hệ mật
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OSCAR BOB
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OSCAR BOB
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??Vì saocó tính
thời sự
?
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Nhiều công ty sử dụng:
Chuyển giao công nghệ
Thư viện, mã nguồn đóng</>
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??Vì saochọn
RSA
?
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Phổ biến
Mã hóa ngắn
Mã hóa tối quan trọng
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p,q nguyên tố lớn
n = p x qφ(n) = (p-1) x (q-1)
ed = 1 mod φ(n)
Bản thường PBản mã C
Khóa công khai(n,e)
Khóa bí mật(p,q,d)
Mã hóa:C = P e mod n
Giải mã:P = C d mod n
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Tấn công hệ
phân tích nguyên tố hợp số lớn
biết khóa công khai tìm khóa bí mật
Tấn côngM.Wiener - 1990D.Boneh và G.Durfee - 1999
Thử thách của RSA Lab
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Tấn công hệ
phân tích nguyên tố hợp số lớn
biết khóa công khai tìm khóa bí mật
Gài bẫyC. Créspeau và A. Slakmon Năm 2003
RSA Lab & NSA
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UNDER CONSTRUCTION
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3PHƯƠNG PHÁPGÀI BẪY RSA
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TCP1
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UNDER CONSTRUCTION
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TCPQ2
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UNDER CONSTRUCTION
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ITP3
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UNDER CONSTRUCTION
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KẾT LUẬN
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UNDER CONSTRUCTION