ftp://ftp.inf.ethz.ch/pub/crypto/publications/Maurer11.pdf
#1 Overview 筆者らはConstructive cryptgraphyと呼ばれる新しい暗号スキームを提案した。
#2 Contribution 数学的な暗号の定義と分割することで、暗号の実現したい機能などが明確になる。
iseki iseki-masaya
iseki-masaya
/ Satou.asc
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iseki-masaya
/ PGPMessage.txt
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iseki-masaya
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iseki-masaya
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iseki-masaya
/ Constructive Cryptography - A New Paradigm for Security Definitions and Proofs.md
Last active
August 29, 2015 14:27
iseki-masaya
/ part_of_ecc-eddsa.c
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August 3, 2015 13:16
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| /* Encode (X,Y) using the EdDSA scheme. MINLEN is the required length | |
| in bytes for the result. If WITH_PREFIX is set the returned buffer | |
| is prefixed with a 0x40 byte. On success 0 is returned and a | |
| malloced buffer with the encoded point is stored at R_BUFFER; the | |
| length of this buffer is stored at R_BUFLEN. */ | |
| static gpg_err_code_t | |
| eddsa_encode_x_y (gcry_mpi_t x, gcry_mpi_t y, unsigned int minlen, | |
| int with_prefix, | |
| unsigned char **r_buffer, unsigned int *r_buflen) | |
| { |
iseki-masaya
/ part_of_mpi.h
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August 3, 2015 13:11
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| struct gcry_mpi | |
| { | |
| int alloced; /* Array size (# of allocated limbs). */ | |
| int nlimbs; /* Number of valid limbs. */ | |
| int sign; /* Indicates a negative number and is also used | |
| for opaque MPIs to store the length. */ | |
| unsigned int flags; /* Bit 0: Array to be allocated in secure memory space.*/ | |
| /* Bit 2: The limb is a pointer to some m_alloced data.*/ | |
| /* Bit 4: Immutable MPI - the MPI may not be modified. */ | |
| /* Bit 5: Constant MPI - the MPI will not be freed. */ |
iseki-masaya
/ srm581div1easy.cpp
Created
July 16, 2015 02:12
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| #include <vector> | |
| #include <string> | |
| #include <iostream> | |
| #include <fstream> | |
| #include <sstream> | |
| #include <list> | |
| #include <algorithm> | |
| #include <sstream> | |
| #include <set> | |
| #include <cmath> |
iseki-masaya
/ srm582div1easy.cpp
Created
July 14, 2015 23:40
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| #include <vector> | |
| #include <string> | |
| #include <iostream> | |
| #include <fstream> | |
| #include <sstream> | |
| #include <list> | |
| #include <algorithm> | |
| #include <sstream> | |
| #include <set> | |
| #include <cmath> |
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