markdown:
# Các chủ đề trong mật mã học
Bách khoa toàn thư mở Wikipedia
Đây là bài nhằm
[phân loại](/wiki/Ph%C3%A2n_lo%E1%BA%A1i), [sắp xếp](/wiki/S%E1%BA%AFp_x%E1%BA%BFp) theo chủ đề các bài trong lĩnh vực [mật mã học](/wiki/M%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc).
## Mục lục
[1 Các thuật toán mã hóa cổ điển](#C.C3.A1c_thu.E1.BA.ADt_to.C3.A1n_m.C3.A3_h.C3.B3a_c.E1.BB.95_.C4.91i.E1.BB.83n) [2 Các bản mã hóa nổi tiếng](#C.C3.A1c_b.E1.BA.A3n_m.C3.A3_h.C3.B3a_n.E1.BB.95i_ti.E1.BA.BFng) [3 Tấn công vào các thuật toán mã hóa cổ điển](#T.E1.BA.A5n_c.C3.B4ng_v.C3.A0o_c.C3.A1c_thu.E1.BA.ADt_to.C3.A1n_m.C3.A3_h.C3.B3a_c.E1.BB.95_.C4.91i.E1.BB.83n) [4 Các tổ chức, dự án liên quan tới thuật toán, tiêu chuẩn mật mã](#C.C3.A1c_t.E1.BB.95_ch.E1.BB.A9c.2C_d.E1.BB.B1_.C3.A1n_li.C3.AAn_quan_t.E1.BB.9Bi_thu.E1.BA.ADt_to.C3.A1n.2C_ti.C3.AAu_chu.E1.BA.A9n_m.E1.BA.ADt_m.C3.A3) [5 Hàm băm mật mã](#H.C3.A0m_b.C4.83m_m.E1.BA.ADt_m.C3.A3) [6 Các thuật toán mã hóa khóa công cộng/bí mật](#C.C3.A1c_thu.E1.BA.ADt_to.C3.A1n_m.C3.A3_h.C3.B3a_kh.C3.B3a_c.C3.B4ng_c.E1.BB.99ng.2Fb.C3.AD_m.E1.BA.ADt) [7 Các thuật toán tạo chữ ký số](#C.C3.A1c_thu.E1.BA.ADt_to.C3.A1n_t.E1.BA.A1o_ch.E1.BB.AF_k.C3.BD_s.E1.BB.91) [8 Nhận thực khóa](#Nh.E1.BA.ADn_th.E1.BB.B1c_kh.C3.B3a) [9 Mô hình định dạng ẩn danh](#M.C3.B4_h.C3.ACnh_.C4.91.E1.BB.8Bnh_d.E1.BA.A1ng_.E1.BA.A9n_danh) [10 Các thuật toán mã hóa đối xứng](#C.C3.A1c_thu.E1.BA.ADt_to.C3.A1n_m.C3.A3_h.C3.B3a_.C4.91.E1.BB.91i_x.E1.BB.A9ng) [11 Classified cryptography (Hoa Kỳ)](#Classified_cryptography_.28Hoa_K.E1.BB.B3.29) [12 Phá mã](#Ph.C3.A1_m.C3.A3) [13 Khóa yếu và mật mã dựa trên mật khẩu](#Kh.C3.B3a_y.E1.BA.BFu_v.C3.A0_m.E1.BA.ADt_m.C3.A3_d.E1.BB.B1a_tr.C3.AAn_m.E1.BA.ADt_kh.E1.BA.A9u) [14 Trao đổi khóa](#Trao_.C4.91.E1.BB.95i_kh.C3.B3a) [15 Vấn đề tạo số ngẫu nhiên trong mật mã](#V.E1.BA.A5n_.C4.91.E1.BB.81_t.E1.BA.A1o_s.E1.BB.91_ng.E1.BA.ABu_nhi.C3.AAn_trong_m.E1.BA.ADt_m.C3.A3) [16 Thông tin ẩn danh](#Th.C3.B4ng_tin_.E1.BA.A9n_danh) [17 Các vấn đề luật pháp](#C.C3.A1c_v.E1.BA.A5n_.C4.91.E1.BB.81_lu.E1.BA.ADt_ph.C3.A1p) [18 Thuật ngữ](#Thu.E1.BA.ADt_ng.E1.BB.AF) [19 Sách và các ấn bản](#S.C3.A1ch_v.C3.A0_c.C3.A1c_.E1.BA.A5n_b.E1.BA.A3n) [20 Các nhà mật mã học](#C.C3.A1c_nh.C3.A0_m.E1.BA.ADt_m.C3.A3_h.E1.BB.8Dc) [21 Sử dụng các kỹ thuật mật mã](#S.E1.BB.AD_d.E1.BB.A5ng_c.C3.A1c_k.E1.BB.B9_thu.E1.BA.ADt_m.E1.BA.ADt_m.C3.A3) [22 Các vấn đề khác](#C.C3.A1c_v.E1.BA.A5n_.C4.91.E1.BB.81_kh.C3.A1c) [23 Các hệ thống mật mã mã nguồn mở (thuật toán + giao thức + thiết kế hệ thống)](#C.C3.A1c_h.E1.BB.87_th.E1.BB.91ng_m.E1.BA.ADt_m.C3.A3_m.C3.A3_ngu.E1.BB.93n_m.E1.BB.9F_.28thu.E1.BA.ADt_to.C3.A1n_.2B_giao_th.E1.BB.A9c_.2B_thi.E1.BA.BFt_k.E1.BA.BF_h.E1.BB.87_th.E1.BB.91ng.29) [24 Tham khảo](#Tham_kh.E1.BA.A3o)
## Các thuật toán mã hóa cổ điển[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=1) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=1)] [Mật mã khóa tự động](/w/index.php?title=M%E1%BA%ADt_m%C3%A3_kh%C3%B3a_t%E1%BB%B1_%C4%91%E1%BB%99ng&action=edit&redlink=1) [[1]](http://en.wikipedia.org/wiki/Autokey_cipher) [Mật mã hoán vị](/w/index.php?title=M%E1%BA%ADt_m%C3%A3_ho%C3%A1n_v%E1%BB%8B&action=edit&redlink=1) [[2]](http://en.wikipedia.org/wiki/Permutation_cipher) [Mật mã thay thế đa ký tự](/w/index.php?title=M%E1%BA%ADt_m%C3%A3_thay_th%E1%BA%BF_%C4%91a_k%C3%BD_t%E1%BB%B1&action=edit&redlink=1) [[3]](http://en.wikipedia.org/wiki/Polyalphabetic_substitution) [Mật mã thay thế đa hình](/w/index.php?title=M%E1%BA%ADt_m%C3%A3_thay_th%E1%BA%BF_%C4%91a_h%C3%ACnh&action=edit&redlink=1) [[5]](http://en.wikipedia.org/wiki/Polygraphic_substitution) [Mật mã thay thế](/w/index.php?title=M%E1%BA%ADt_m%C3%A3_thay_th%E1%BA%BF&action=edit&redlink=1) [[8]](http://en.wikipedia.org/wiki/Substitution_cipher) [Mật mã dịch chuyển](/w/index.php?title=M%E1%BA%ADt_m%C3%A3_d%E1%BB%8Bch_chuy%E1%BB%83n&action=edit&redlink=1) [[13]](http://en.wikipedia.org/wiki/Transposition_cipher)
## Các bản mã hóa nổi tiếng[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=2) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=2)]
## Tấn công vào các thuật toán mã hóa cổ điển[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=3) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=3)]
## Các tổ chức, dự án liên quan tới thuật toán, tiêu chuẩn mật mã[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=4) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=4)]
### Các tổ chức tiêu chuẩn[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=5) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=5)]
- the
[Federal Information Processing Standards](/w/index.php?title=Federal_Information_Processing_Standard&action=edit&redlink=1)Publication program (run by [NIST](/w/index.php?title=NIST&action=edit&redlink=1)to produce standards in many areas to guide operations of the US Federal government; many [FIPS](/w/index.php?title=Federal_Information_Processing_Standard&action=edit&redlink=1)Pubs are cryptography related, ongoing)
- the
[ANSI](/wiki/ANSI)standardization process (produces many standards in many areas; some are cryptography related, ongoing) [ISO](/wiki/ISO)standardization process (produces many standards in many areas; some are cryptography related, ongoing) [IEEE](/wiki/IEEE)standardization process (produces many standards in many areas; some are cryptography related, ongoing) [IETF](/w/index.php?title=IETF&action=edit&redlink=1)standardization process (produces many standards (called [RFCs](/wiki/RFC)) in many areas; some are cryptography related, ongoing)
### Các tổ chức liên quan tới mật mã[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=6) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=6)] [NSA](/wiki/C%C6%A1_quan_An_ninh_Qu%E1%BB%91c_gia_Hoa_K%E1%BB%B3)internal evaluation/selections (surely extensive, nothing is publicly known of the process or its results for internal use; NSA is charged with assisting NIST in its cryptographic responsibilities) [GCHQ](/w/index.php?title=GCHQ&action=edit&redlink=1)internal evaluation/selections (surely extensive, nothing is publicly known of the process or its results for GCHQ use; a division of GCHQ is charged with developing and recommending cryptographic standards for the UK government) [DSD](/w/index.php?title=Defence_Signals_Directorate&action=edit&redlink=1)Australian [SIGINT](/w/index.php?title=SIGINT&action=edit&redlink=1)agency - part of [ECHELON](/w/index.php?title=ECHELON&action=edit&redlink=1) [Communications Security Establishment](/w/index.php?title=Communications_Security_Establishment&action=edit&redlink=1)(CSE) — Canadian intelligence agency.
### Các dự án mở[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=7) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=7)]
- Quá trình thiết kế
[DES](/wiki/DES_(%C4%91%E1%BB%8Bnh_h%C6%B0%E1%BB%9Bng))do ( [NBS](/w/index.php?title=NIST&action=edit&redlink=1)tổ chức, kết thúc năm [1976](/wiki/1976).
- the RIPE division of the RACE project (sponsored by the
[European Union](/wiki/Li%C3%AAn_minh_ch%C3%A2u_%C3%82u), ended mid-'80s)
- Cuộc thi thiết kế
[AES](/wiki/AES_(m%C3%A3_h%C3%B3a))( [NIST](/w/index.php?title=NIST&action=edit&redlink=1)tài trọ; kết thúc năm [2001](/wiki/2001))
- the
[NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)Project (evaluation/selection program sponsored by the [European Union](/wiki/Li%C3%AAn_minh_ch%C3%A2u_%C3%82u); ended 2002)
- the
[CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)program (Japanese government sponsored evaluation/recommendation project; draft recommendations published 2003)
- the
[Internet Engineering Task Force](/w/index.php?title=IETF&action=edit&redlink=1)(technical body responsible for Internet standards—the [Request for Comment](/wiki/RFC)series: ongoing)
- the
[CrypTool](/w/index.php?title=CrypTool&action=edit&redlink=1)project (eLearning programme in English and German; freeware; exhaustive educational tool about cryptography and cryptanalysis)
## Hàm băm mật mã[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=8) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=8)] [Hàm băm mật mã](/w/index.php?title=H%C3%A0m_b%C4%83m_m%E1%BA%ADt_m%C3%A3&action=edit&redlink=1) [Message authentication code](/w/index.php?title=Message_authentication_code&action=edit&redlink=1) [Keyed-hash message authentication code](/w/index.php?title=Keyed-hash_message_authentication_code&action=edit&redlink=1) [MD5](/wiki/MD5)(one of a series of message digest algorithms by Prof [Ron Rivest](/w/index.php?title=Ron_Rivest&action=edit&redlink=1)of MIT; 128 bit digest) [SHA-1](/w/index.php?title=SHA-1&action=edit&redlink=1)(developed at [NSA](/wiki/C%C6%A1_quan_An_ninh_Qu%E1%BB%91c_gia_Hoa_K%E1%BB%B3)160-bit digest, an FIPS standard; the first released version was defective and replaced by this; NIST/NSA have released several variants with longer 'digest' lengths; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited)) [RIPEMD-160](/w/index.php?title=RIPEMD-160&action=edit&redlink=1)(developed in Europe for the RIPE project, 160-bit digest; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited)) [Tiger](/w/index.php?title=Tiger_(hash)&action=edit&redlink=1)(by [Ross Anderson](/w/index.php?title=Ross_Anderson&action=edit&redlink=1)et al) [Snefru](/w/index.php?title=Snefru_(cryptography)&action=edit&redlink=1) [Whirlpool](/w/index.php?title=Whirlpool_(algorithm)&action=edit&redlink=1)( [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection hash function, Scopus Tecnologia S.A. (Brazil) & K.U.Leuven (Belgium))
## Các thuật toán mã hóa khóa công cộng/bí mật[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=9) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=9)] [ACE-KEM](/w/index.php?title=ACE-KEM&action=edit&redlink=1)( [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection asymmetric encryption scheme; IBM Zurich Research) [Chor-Rivest](/w/index.php?title=Chor-Rivest&action=edit&redlink=1) [Diffie-Hellman](/wiki/Diffie-Hellman)(key agreement; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [El Gamal](/w/index.php?title=El_Gamal&action=edit&redlink=1)(discrete logarithm) [Elliptic curve cryptography](/w/index.php?title=Elliptic_curve_cryptography&action=edit&redlink=1)(discrete logarithm variant) [EPOC](/w/index.php?title=EPOC&action=edit&redlink=1) [Merkle-Hellman](/w/index.php?title=Merkle-Hellman&action=edit&redlink=1)(knapsack scheme) [McEliece](/w/index.php?title=McEliece&action=edit&redlink=1) [NTRUEncrypt](/w/index.php?title=NTRUEncrypt&action=edit&redlink=1) [RSA](/wiki/RSA_(%C4%91%E1%BB%8Bnh_h%C6%B0%E1%BB%9Bng))(factoring) [Rabin cryptosystem](/w/index.php?title=Rabin_cryptosystem&action=edit&redlink=1)(factoring) [XTR](/w/index.php?title=XTR&action=edit&redlink=1)
## Các thuật toán tạo chữ ký số[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=10) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=10)] [Digital Signature Algorithm](/wiki/Gi%E1%BA%A3i_thu%E1%BA%ADt_k%C3%BD_s%E1%BB%91)(from NSA, part of the Digital Signature Standard (DSS); [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [Elliptic Curve DSA](/w/index.php?title=Elliptic_Curve_DSA&action=edit&redlink=1)( [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection digital signature scheme; Certicom Corp); [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation as ANSI X9.62, SEC1) [Schnorr signatures](/w/index.php?title=Schnorr_signature&action=edit&redlink=1) [RSA signatures](/w/index.php?title=RSA_signature&action=edit&redlink=1) [RSASSA-PKCS1](/w/index.php?title=RSASSA-PKCS1&action=edit&redlink=1)v1.5 ( [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [Nyberg-Rueppel signatures](/w/index.php?title=Nyberg-Rueppel_signature&action=edit&redlink=1) [MQV protocol](/w/index.php?title=MQV_protocol&action=edit&redlink=1) [Gennaro-Halevi-Rabin signature scheme](/w/index.php?title=Gennaro-Halevi-Rabin_signature_scheme&action=edit&redlink=1) [Cramer-Shoup signature scheme](/w/index.php?title=Cramer-Shoup_signature_scheme&action=edit&redlink=1) [One-time signatures](/w/index.php?title=One-time_signature&action=edit&redlink=1) [Undeniable signatures](/w/index.php?title=Undeniable_signature&action=edit&redlink=1) [Fail-stop signatures](/w/index.php?title=Fail-stop_signature&action=edit&redlink=1) [Ong-Schnorr-Shamir signature scheme](/w/index.php?title=Ong-Schnorr-Shamir_signature_scheme&action=edit&redlink=1) [Birational permutation scheme](/w/index.php?title=Birational_permutation_scheme&action=edit&redlink=1) [ESIGN](/w/index.php?title=ESIGN&action=edit&redlink=1) [Direct anonymous attestation](/w/index.php?title=Direct_anonymous_attestation&action=edit&redlink=1) [NTRUSign](/w/index.php?title=NTRUSign&action=edit&redlink=1) [SFLASH](/w/index.php?title=SFLASH&action=edit&redlink=1)( [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection digital signature scheme (esp for smartcard applications and similar); Schlumberger (France)) [Quartz](/w/index.php?title=Quartz_(cryptography)&action=edit&redlink=1)
## Nhận thực khóa[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=11) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=11)] [Key authentication](/w/index.php?title=Key_authentication&action=edit&redlink=1) [Public key infrastructure](/w/index.php?title=Public_key_infrastructure&action=edit&redlink=1) [Public key certificate](/w/index.php?title=Public_key_certificate&action=edit&redlink=1) [ID-based cryptography](/w/index.php?title=ID-based_cryptography&action=edit&redlink=1) [Certificate-based encryption](/w/index.php?title=Certificate-based_encryption&action=edit&redlink=1) [Secure key issuing cryptography](/w/index.php?title=Secure_key_issuing_cryptography&action=edit&redlink=1) [Certificateless cryptography](/w/index.php?title=Certificateless_cryptography&action=edit&redlink=1) [Merkle tree](/w/index.php?title=Hash_tree&action=edit&redlink=1)
## Mô hình định dạng ẩn danh[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=12) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=12)] [GPS](/wiki/H%E1%BB%87_th%E1%BB%91ng_%C4%91%E1%BB%8Bnh_v%E1%BB%8B_to%C3%A0n_c%E1%BA%A7u)(NESSIE selection anonymous identification scheme; École Normale Supérieure, France Télécom, & La Poste)
## Các thuật toán mã hóa đối xứng[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=13) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=13)] [Stream ciphers](/w/index.php?title=Stream_cipher&action=edit&redlink=1) [A5/1](/w/index.php?title=A5_(cipher)&action=edit&redlink=1), [A5/2](/w/index.php?title=A5_(cipher)&action=edit&redlink=1)(cyphers specified for the [GSM](/wiki/H%E1%BB%87_th%E1%BB%91ng_th%C3%B4ng_tin_di_%C4%91%E1%BB%99ng_to%C3%A0n_c%E1%BA%A7u)cellular telephone standard) [BMGL](/w/index.php?title=BMGL&action=edit&redlink=1) [Chameleon](/w/index.php?title=Chameleon_(cipher)&action=edit&redlink=1) [FISH](/w/index.php?title=FISH_(cipher)&action=edit&redlink=1)(by Siemens AG) [WWII 'Fish' cyphers](/w/index.php?title=Fish_(cryptography)&action=edit&redlink=1) [Geheimfernschreiber](/w/index.php?title=Geheimfernschreiber&action=edit&redlink=1)(WWII mechanical onetime pad by [Siemens AG](/wiki/Siemens_AG), called [STURGEON](/w/index.php?title=Sturgeon_(cryptography)&action=edit&redlink=1)by [Bletchley Park](/w/index.php?title=Bletchley_Park&action=edit&redlink=1)) [Schlusselzusatz](/w/index.php?title=Lorenz_cipher&action=edit&redlink=1)(WWII mechanical onetime pad by [Lorenz](/w/index.php?title=Lorenz&action=edit&redlink=1), called [tunny](/w/index.php?title=Tunny&action=edit&redlink=1)by [Bletchley Park](/w/index.php?title=Bletchley_Park&action=edit&redlink=1))
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[HELIX](/w/index.php?title=HELIX_(cipher)&action=edit&redlink=1) [ISAAC](/w/index.php?title=ISAAC_(cipher)&action=edit&redlink=1)(intended as a PRNG) [Leviathan (cipher)](/w/index.php?title=Leviathan_(cipher)&action=edit&redlink=1) [LILI-128](/w/index.php?title=LILI-128&action=edit&redlink=1) [MUG1](/w/index.php?title=MUG1&action=edit&redlink=1)( [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [MULTI-S01](/w/index.php?title=MULTI-S01&action=edit&redlink=1)( [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [One-time pad](/w/index.php?title=One-time_pad&action=edit&redlink=1)(Vernam and Mauborgne, patented mid-'20s; an extreme stream cypher) [Panama](/w/index.php?title=Panama_(cipher)&action=edit&redlink=1) [Pike](/w/index.php?title=Pike_(cipher)&action=edit&redlink=1)(improvement on FISH by [Ross Anderson](/w/index.php?title=Ross_Anderson&action=edit&redlink=1)) [RC4](/w/index.php?title=RC4_(cipher)&action=edit&redlink=1)(ARCFOUR) (one of a series by Prof Ron Rivest of MIT; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited to 128-bit key)) [CipherSaber](/w/index.php?title=CipherSaber&action=edit&redlink=1)( [RC4](/w/index.php?title=RC4_(cipher)&action=edit&redlink=1)variant with 10 byte random [IV](/w/index.php?title=IV&action=edit&redlink=1), easy to implement) [SEAL](/w/index.php?title=SEAL_(cipher)&action=edit&redlink=1) [SNOW](/w/index.php?title=SNOW&action=edit&redlink=1) [SOBER](/w/index.php?title=SOBER&action=edit&redlink=1) [WAKE](/w/index.php?title=WAKE&action=edit&redlink=1)
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[Block ciphers](/w/index.php?title=Block_cipher&action=edit&redlink=1) [Block cipher modes of operation](/w/index.php?title=Block_cipher_modes_of_operation&action=edit&redlink=1) [Product cipher](/w/index.php?title=Product_cipher&action=edit&redlink=1) [Feistel cipher](/w/index.php?title=Feistel_cipher&action=edit&redlink=1)(block cypher design pattern by [Horst Feistel](/w/index.php?title=Horst_Feistel&action=edit&redlink=1)) [Advanced Encryption Standard](/w/index.php?title=Advanced_Encryption_Standard&action=edit&redlink=1)(128 bit block; [NIST](/w/index.php?title=NIST&action=edit&redlink=1)selection for the AES, FIPS 197, 2001—by [Joan Daemen](/w/index.php?title=Joan_Daemen&action=edit&redlink=1)và [Vincent Rijmen](/w/index.php?title=Vincent_Rijmen&action=edit&redlink=1); [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [Anubis](/w/index.php?title=Anubis_(cipher)&action=edit&redlink=1)(128-bit block) [BEAR](/w/index.php?title=BEAR&action=edit&redlink=1)(block cypher built from stream cypher and hash function, by [Ross Anderson](/w/index.php?title=Ross_Anderson&action=edit&redlink=1)) [Blowfish](/w/index.php?title=Blowfish_(cipher)&action=edit&redlink=1)(128 bit block; by [Bruce Schneier](/w/index.php?title=Bruce_Schneier&action=edit&redlink=1), et al) [Camellia](/w/index.php?title=Camellia_(cipher)&action=edit&redlink=1)(128 bit block; [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection (NTT & Mitsubishi Electric); [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [CAST-128](/w/index.php?title=CAST-128&action=edit&redlink=1)( [CAST5](/w/index.php?title=CAST5&action=edit&redlink=1)) (64 bit block; one of a series of algorithms by [Carlisle Adams](/w/index.php?title=Carlisle_Adams&action=edit&redlink=1)và [Stafford Tavares](/w/index.php?title=Stafford_Tavares&action=edit&redlink=1), who are insistent (indeed, adamant) that the name is not due to their initials) [CAST-256](/w/index.php?title=CAST-256&action=edit&redlink=1)( [CAST6](/w/index.php?title=CAST6&action=edit&redlink=1)) (128-bit block; the successor to CAST-128 and a candidate for the AES competition) [CIPHERUNICORN-A](/w/index.php?title=CIPHERUNICORN-A&action=edit&redlink=1)(128 bit block; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [CIPHERUNICORN-E](/w/index.php?title=CIPHERUNICORN-E&action=edit&redlink=1)(64 bit block; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited)) [CMEA](/w/index.php?title=CMEA_(cipher)&action=edit&redlink=1)— cipher used in US cellphones, found to have weaknesses. [CS-Cipher](/w/index.php?title=CS-Cipher&action=edit&redlink=1)(64 bit block) [Data Encryption Standard](/w/index.php?title=Data_Encryption_Standard&action=edit&redlink=1)(DES) (64 bit block; FIPS 46-3, 1976) [DEAL](/w/index.php?title=DEAL&action=edit&redlink=1)— an AES candidate derived from DES [DES-X](/w/index.php?title=DES-X&action=edit&redlink=1)A variant of DES to increase the key size. [FEAL](/w/index.php?title=FEAL&action=edit&redlink=1) [GDES](/w/index.php?title=GDES&action=edit&redlink=1)— a [DES](/w/index.php?title=Data_Encryption_Standard&action=edit&redlink=1)variant designed to speed up encryption. [Grand Cru](/w/index.php?title=Grand_Cru&action=edit&redlink=1)(128 bit block) [Hierocrypt-3](/w/index.php?title=Hierocrypt-3&action=edit&redlink=1)(128 bit block; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation)) [Hierocrypt-L1](/w/index.php?title=Hierocrypt-L1&action=edit&redlink=1)(64 bit block; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited)) [International Data Encryption Algorithm](/w/index.php?title=International_Data_Encryption_Algorithm&action=edit&redlink=1)(IDEA) (64 bit block -- [James Massey](/w/index.php?title=James_Massey&action=edit&redlink=1)& [X Lai](/w/index.php?title=X_Lai&action=edit&redlink=1)of [ETH](/w/index.php?title=ETH&action=edit&redlink=1)Zurich) [Iraqi Block Cipher](/w/index.php?title=Iraqi_Block_Cipher&action=edit&redlink=1)(IBC) [KASUMI](/w/index.php?title=KASUMI&action=edit&redlink=1)(64-bit block; based on [MISTY1](/w/index.php?title=MISTY1&action=edit&redlink=1), adopted for next generation [W-CDMA](/wiki/W-CDMA) [cellular phone](/wiki/%C4%90i%E1%BB%87n_tho%E1%BA%A1i_di_%C4%91%E1%BB%99ng)security) [KHAZAD](/w/index.php?title=KHAZAD&action=edit&redlink=1)(64-bit block designed by Barretto and [Rijmen](/w/index.php?title=Vincent_Rijmen&action=edit&redlink=1)) [Khufu and Khafre](/w/index.php?title=Khufu_and_Khafre&action=edit&redlink=1)(64-bit block ciphers) [LION](/w/index.php?title=LION&action=edit&redlink=1)(block cypher built from stream cypher and hash function, by [Ross Anderson](/w/index.php?title=Ross_Anderson&action=edit&redlink=1)) [LOKI89/91](/w/index.php?title=LOKI&action=edit&redlink=1)(64-bit block ciphers) [LOKI97](/w/index.php?title=LOKI97&action=edit&redlink=1)(128-bit block cipher, AES candidate) [Lucifer](/w/index.php?title=Lucifer_(cipher)&action=edit&redlink=1)(by Tuchman et al of [IBM](/wiki/IBM), early 1970s; modified by [NSA](/wiki/C%C6%A1_quan_An_ninh_Qu%E1%BB%91c_gia_Hoa_K%E1%BB%B3)/ [NBS](/w/index.php?title=NBS&action=edit&redlink=1)and released as [DES](/w/index.php?title=Data_Encryption_Standard&action=edit&redlink=1)) [MAGENTA](/w/index.php?title=MAGENTA&action=edit&redlink=1)(AES candidate) [Mars](/w/index.php?title=Mars_(cipher)&action=edit&redlink=1)(AES finalist, by [Don Coppersmith](/w/index.php?title=Don_Coppersmith&action=edit&redlink=1)et al) [MISTY1](/w/index.php?title=MISTY1&action=edit&redlink=1)( [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection 64-bit block; Mitsubishi Electric (Japan); [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited)) [MISTY2](/w/index.php?title=MISTY2&action=edit&redlink=1)(128 bit block: Mitsubishi Electric (Japan)) [Nimbus](/w/index.php?title=Nimbus_(cipher)&action=edit&redlink=1)(64 bit block) [Noekeon](/w/index.php?title=Noekeon&action=edit&redlink=1)(128 bit block) [NUSH](/w/index.php?title=NUSH&action=edit&redlink=1)(variable block length (64 - 256 bits)) [Q](/w/index.php?title=Q_(cipher)&action=edit&redlink=1)(128 bit block) [RC2](/wiki/RC2)64-bit block, variable key length. [RC6](/w/index.php?title=RC6&action=edit&redlink=1)(variable block length; AES finalist, by [Ron Rivest](/w/index.php?title=Ron_Rivest&action=edit&redlink=1)et al) [RC5](/w/index.php?title=RC5&action=edit&redlink=1)(by [Ron Rivest](/w/index.php?title=Ron_Rivest&action=edit&redlink=1)) [SAFER](/w/index.php?title=SAFER&action=edit&redlink=1)(variable block length) [SC2000](/w/index.php?title=SC2000&action=edit&redlink=1)(128 bit block; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation) [Serpent](/w/index.php?title=Serpent_(cipher)&action=edit&redlink=1)(128 bit block; AES finalist by [Ross Anderson](/w/index.php?title=Ross_Anderson&action=edit&redlink=1), [Eli Biham](/w/index.php?title=Eli_Biham&action=edit&redlink=1), [Lars Knudsen](/w/index.php?title=Lars_Knudsen&action=edit&redlink=1)) [SHACAL-1](/w/index.php?title=SHACAL-1&action=edit&redlink=1)(256-bit block) [SHACAL-2](/w/index.php?title=SHACAL-2&action=edit&redlink=1)(256-bit block cypher; [NESSIE](/w/index.php?title=NESSIE&action=edit&redlink=1)selection Gemplus (France)) [Shark](/w/index.php?title=Shark_(cipher)&action=edit&redlink=1)(grandfather of [Rijndael](/w/index.php?title=Rijndael&action=edit&redlink=1)/ [AES](/wiki/AES_(m%C3%A3_h%C3%B3a)), by Daemen and Rijmen) [Square](/w/index.php?title=Square_(cipher)&action=edit&redlink=1)(father of [Rijndael](/w/index.php?title=Rijndael&action=edit&redlink=1)/ [AES](/wiki/AES_(m%C3%A3_h%C3%B3a)), by Daemen and Rijmen) [3-Way](/w/index.php?title=3-Way&action=edit&redlink=1)(96 bit block by [Joan Daemen](/w/index.php?title=Joan_Daemen&action=edit&redlink=1)) [TEA](/w/index.php?title=Tiny_Encryption_Algorithm&action=edit&redlink=1)(by [David Wheeler](/w/index.php?title=David_Wheeler&action=edit&redlink=1)& [Roger Needham](/w/index.php?title=Roger_Needham&action=edit&redlink=1)) [Triple DES](/w/index.php?title=Triple_DES&action=edit&redlink=1)(by [Walter Tuchman](/w/index.php?title=Walter_Tuchman&action=edit&redlink=1), leader of the [Lucifer](/w/index.php?title=Lucifer_(cipher)&action=edit&redlink=1)design team—not all triple uses of DES increase security, Tuchman's does; [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)recommendation (limited), only when used as in FIPS Pub 46-3) [Twofish](/w/index.php?title=Twofish&action=edit&redlink=1)(128 bit block; AES finalist by [Bruce Schneier](/w/index.php?title=Bruce_Schneier&action=edit&redlink=1), et al) [XTEA](/w/index.php?title=XTEA&action=edit&redlink=1)(by [David Wheeler](/w/index.php?title=David_Wheeler&action=edit&redlink=1)& [Roger Needham](/w/index.php?title=Roger_Needham&action=edit&redlink=1))
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- Polyalphabetic substitution machine cyphers
[Enigma](/w/index.php?title=Enigma_(machine)&action=edit&redlink=1)(WWII German rotor cypher machine—many variants, many user networks for most of the variants) [Purple](/w/index.php?title=Purple_code&action=edit&redlink=1)(highest security WWII Japanese Foreign Office cypher machine; by Japanese Navy Captain) [SIGABA](/w/index.php?title=SIGABA&action=edit&redlink=1)(WWII US cypher machine by [William Friedman](/w/index.php?title=William_Friedman&action=edit&redlink=1), [Frank Rowlett](/w/index.php?title=Frank_Rowlett&action=edit&redlink=1), et al) [TypeX](/w/index.php?title=TypeX&action=edit&redlink=1)(WWII UK cypher machine)
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- Hybrid code/cypher combinations
[JN-25](/w/index.php?title=JN-25&action=edit&redlink=1)(WWII Japanese Navy superencyphered code; many variants) [Naval Cypher 3](/w/index.php?title=Naval_Cypher_3&action=edit&redlink=1)(superencrypted code used by the Royal Navy in the 30s and into WWII)
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[Visual cryptography](/w/index.php?title=Visual_cryptography&action=edit&redlink=1)
[Classified](/w/index.php?title=Classified&action=edit&redlink=1) cryptography ( [Hoa Kỳ](/wiki/Hoa_K%E1%BB%B3))[ [sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=14) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=14)] [EKMS](/w/index.php?title=EKMS&action=edit&redlink=1) [NSA](/wiki/C%C6%A1_quan_An_ninh_Qu%E1%BB%91c_gia_Hoa_K%E1%BB%B3)'s Electronic Key Management System [FNBDT](/w/index.php?title=FNBDT&action=edit&redlink=1) [NSA](/wiki/C%C6%A1_quan_An_ninh_Qu%E1%BB%91c_gia_Hoa_K%E1%BB%B3)'s secure narrow band voice standard [Fortezza](/w/index.php?title=Fortezza&action=edit&redlink=1)encryption based on portable crypto token in [PC Card](/w/index.php?title=PC_Card&action=edit&redlink=1)format [KW-26](/w/index.php?title=KW-26&action=edit&redlink=1)ROMULUS teletype encryptor (1960s - 1980s) [KY-57](/w/index.php?title=KY-57&action=edit&redlink=1)VINSON tactical radio voice encryption [SINCGARS](/w/index.php?title=SINCGARS&action=edit&redlink=1)tactical radio with cryptographically controlled frequency hopping [STE](/w/index.php?title=STE&action=edit&redlink=1)secure telephone [STU-III](/w/index.php?title=STU-III&action=edit&redlink=1)older secure telephone [TEMPEST](/w/index.php?title=TEMPEST&action=edit&redlink=1)prevents compromising emanations [Type 1 products](/w/index.php?title=Type_1_product&action=edit&redlink=1)
## Phá mã[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=15) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=15)] [Passive attack](/w/index.php?title=Passive_attack&action=edit&redlink=1) [Chosen plaintext attack](/w/index.php?title=Chosen_plaintext_attack&action=edit&redlink=1) [Chosen ciphertext attack](/w/index.php?title=Chosen_ciphertext_attack&action=edit&redlink=1) [Adaptive chosen ciphertext attack](/w/index.php?title=Adaptive_chosen_ciphertext_attack&action=edit&redlink=1) [Brute force attack](/w/index.php?title=Brute_force_attack&action=edit&redlink=1) [Cryptanalysis](/wiki/Ph%C3%A2n_t%C3%ADch_m%E1%BA%ADt_m%C3%A3)
## Khóa yếu và mật mã dựa trên mật khẩu[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=16) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=16)] [Brute force attack](/w/index.php?title=Brute_force_attack&action=edit&redlink=1) [Dictionary attack](/w/index.php?title=Dictionary_attack&action=edit&redlink=1) [Related key attack](/w/index.php?title=Related_key_attack&action=edit&redlink=1) [Key derivation function](/w/index.php?title=Key_derivation_function&action=edit&redlink=1) [Weak key](/w/index.php?title=Weak_key&action=edit&redlink=1) [Password](/wiki/M%E1%BA%ADt_kh%E1%BA%A9u_truy_nh%E1%BA%ADp) [Password-authenticated key agreement](/w/index.php?title=Password-authenticated_key_agreement&action=edit&redlink=1) [Passphrase](/w/index.php?title=Passphrase&action=edit&redlink=1) [Salt](/w/index.php?title=Salt_(cryptography)&action=edit&redlink=1)
## Trao đổi khóa[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=17) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=17)] [Lôgic BAN](/wiki/L%C3%B4gic_BAN) [Giao thức Needham-Schroeder](/wiki/Giao_th%E1%BB%A9c_Needham-Schroeder) [Giao thức Otway-Rees](/wiki/Giao_th%E1%BB%A9c_Otway-Rees) [Giao thức Wide Mouth Frog](/w/index.php?title=Giao_th%E1%BB%A9c_Wide_Mouth_Frog&action=edit&redlink=1) [Giao thức Diffie-Hellman](/w/index.php?title=Giao_th%E1%BB%A9c_Diffie-Hellman&action=edit&redlink=1) [Man-in-the-middle attack](/w/index.php?title=Man-in-the-middle_attack&action=edit&redlink=1)
[Vấn đề tạo số ngẫu nhiên trong mật mã](/w/index.php?title=V%E1%BA%A5n_%C4%91%E1%BB%81_t%E1%BA%A1o_s%E1%BB%91_ng%E1%BA%ABu_nhi%C3%AAn_trong_m%E1%BA%ADt_m%C3%A3&action=edit&redlink=1)[ [sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=18) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=18)] [PRNG](/w/index.php?title=PRNG&action=edit&redlink=1) [CSPRNG](/w/index.php?title=CSPRNG&action=edit&redlink=1) [Hardware random number generators](/w/index.php?title=Hardware_random_number_generator&action=edit&redlink=1) [Blum Blum Shub](/w/index.php?title=Blum_Blum_Shub&action=edit&redlink=1) [Yarrow](/w/index.php?title=Yarrow_algorithm&action=edit&redlink=1)(by Schneier, et al) [Fortuna](/w/index.php?title=Fortuna_(PRNG)&action=edit&redlink=1)(by Schneier, et al) [ISAAC](/w/index.php?title=ISAAC_(cipher)&action=edit&redlink=1)
- RPNG based on SHA-1 in
[ANSI](/wiki/ANSI)X9.42-2001 Annex C.1 ( [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)example)
- PRNG based on SHA-1 for general purposes in
[FIPS](/w/index.php?title=FIPS&action=edit&redlink=1)Pub 186-2 (inc change notice 1) Appendix 3.1 ( [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)example)
- PRNG based on SHA-1 for general purposes in
[FIPS](/w/index.php?title=FIPS&action=edit&redlink=1)Pub 186-2 (inc change notice 1) revised Appendix 3.1 ( [CRYPTREC](/w/index.php?title=CRYPTREC&action=edit&redlink=1)example)
## Thông tin ẩn danh[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=19) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=19)] [Dining cryptographers protocol](/w/index.php?title=Dining_cryptographers_protocol&action=edit&redlink=1)(by [David Chaum](/w/index.php?title=David_Chaum&action=edit&redlink=1)) [Anonymous remailer](/w/index.php?title=Anonymous_remailer&action=edit&redlink=1) [pseudonymity](/w/index.php?title=Pseudonymity&action=edit&redlink=1) [anonymous internet banking](/w/index.php?title=Anonymous_internet_banking&action=edit&redlink=1) [Onion Routing](/w/index.php?title=Onion_Routing&action=edit&redlink=1)
## Các vấn đề luật pháp[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=20) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=20)]
- Cryptography as
[free speech](/w/index.php?title=Free_speech&action=edit&redlink=1) [Export of cryptography](/w/index.php?title=Export_of_cryptography&action=edit&redlink=1) [Key escrow](/w/index.php?title=Key_escrow&action=edit&redlink=1)và [Clipper Chip](/w/index.php?title=Clipper_Chip&action=edit&redlink=1) [Digital Millennium Copyright Act](/w/index.php?title=Digital_Millennium_Copyright_Act&action=edit&redlink=1) [Digital Rights Management](/w/index.php?title=Digital_Rights_Management&action=edit&redlink=1)(DRM)
- Cryptography
[patents](/w/index.php?title=Patents&action=edit&redlink=1) [RSA](/wiki/RSA_(%C4%91%E1%BB%8Bnh_h%C6%B0%E1%BB%9Bng))(now public domain) [David Chaum](/w/index.php?title=David_Chaum&action=edit&redlink=1)and digital cash
-
[Cryptography and law enforcement](/w/index.php?title=Cryptography_and_law_enforcement&action=edit&redlink=1) [Cryptography laws in different nations](/w/index.php?title=Cryptography_laws_in_different_nations&action=edit&redlink=1)
## Thuật ngữ[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=21) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=21)]
## Sách và các ấn bản[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=22) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=22)]
## Các nhà mật mã học[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=23) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=23)]
## Sử dụng các kỹ thuật mật mã[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=24) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=24)] [Commitment schemes](/w/index.php?title=Commitment_scheme&action=edit&redlink=1) [Secure multiparty computations](/w/index.php?title=Secure_multiparty_computation&action=edit&redlink=1) [Electronic voting](/w/index.php?title=Electronic_voting&action=edit&redlink=1) [Authentication](/w/index.php?title=Authentication&action=edit&redlink=1) [Digital signatures](/w/index.php?title=Digital_signature&action=edit&redlink=1) [Cryptographic engineering](/w/index.php?title=Cryptographic_engineering&action=edit&redlink=1) [Crypto systems](/w/index.php?title=Crypto_system&action=edit&redlink=1)
## Các vấn đề khác[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=25) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=25)] [Echelon](/w/index.php?title=Echelon&action=edit&redlink=1) [Espionage](/w/index.php?title=Espionage&action=edit&redlink=1) [IACR](/w/index.php?title=IACR&action=edit&redlink=1) [Ultra](/w/index.php?title=Ultra&action=edit&redlink=1) [Security engineering](/w/index.php?title=Security_engineering&action=edit&redlink=1) [SIGINT](/w/index.php?title=SIGINT&action=edit&redlink=1) [Steganography](/w/index.php?title=Steganography&action=edit&redlink=1) [Cryptographers](/w/index.php?title=Cryptographers&action=edit&redlink=1) [SSL](/wiki/Secure_Sockets_Layer) [Quantum cryptography](/w/index.php?title=Quantum_cryptography&action=edit&redlink=1) [Crypto-anarchism](/w/index.php?title=Crypto-anarchism&action=edit&redlink=1) [Cypherpunk](/w/index.php?title=Cypherpunk&action=edit&redlink=1) [Key escrow](/w/index.php?title=Key_escrow&action=edit&redlink=1) [Zero-knowledge proofs](/w/index.php?title=Zero-knowledge_proof&action=edit&redlink=1) [Random oracle model](/w/index.php?title=Random_oracle_model&action=edit&redlink=1) [Blind signature](/w/index.php?title=Blind_signature&action=edit&redlink=1) [Blinding (cryptography)](/w/index.php?title=Blinding_(cryptography)&action=edit&redlink=1) [Digital timestamping](/w/index.php?title=Digital_timestamping&action=edit&redlink=1) [Secret sharing](/w/index.php?title=Secret_sharing&action=edit&redlink=1) [Trusted operating systems](/w/index.php?title=Trusted_operating_system&action=edit&redlink=1) [Oracle (cryptography)](/w/index.php?title=Oracle_(cryptography)&action=edit&redlink=1)
## Các hệ thống mật mã mã nguồn mở (thuật toán + giao thức + thiết kế hệ thống)[
[sửa](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&veaction=edit&vesection=26) | [sửa mã nguồn](/w/index.php?title=C%C3%A1c_ch%E1%BB%A7_%C4%91%E1%BB%81_trong_m%E1%BA%ADt_m%C3%A3_h%E1%BB%8Dc&action=edit§ion=26)] [PGP](/wiki/Pretty_Good_Privacy)(a name for any of several related crypto systems, some of which, beginning with the acquisition of the name by Network Associates, have not been [Free Software](/w/index.php?title=Free_Software&action=edit&redlink=1)in the GNU sense) [FileCrypt](/w/index.php?title=FileCrypt&action=edit&redlink=1)(an open source/commercial command line version of PGP from Veridis of Denmark, see [PGP](/wiki/Pretty_Good_Privacy)) [GPG](/wiki/GNU_Privacy_Guard)(an open source implementation of the [OpenPGP](/w/index.php?title=OpenPGP&action=edit&redlink=1) [IETF](/w/index.php?title=IETF&action=edit&redlink=1)standard crypto system) [SSH](/wiki/SSH)(Secure SHell implementing cryptographically protected variants of several common Unix utilities, First developed as open source in Finland by Tatu Ylonen. There is now [OpenSSH](/wiki/OpenSSH), an open source implementation supporting both SSH v1 and SSH v2 protocols. There are also commercial implementations. [IPsec](/wiki/IPsec)(Internet Protocol Security [IETF](/w/index.php?title=IETF&action=edit&redlink=1)standard, a mandatory component of the [IPv6](/wiki/IPv6)IETF standard) [Free S/WAN](/w/index.php?title=Free_S/WAN&action=edit&redlink=1)(an open source implementation of IPsec)

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