Title :
Secret key agreement from correlated source outputs using LDPC matrices
Author_Institution :
NTT Commun. Sci. Lab., NTT Corp., Kyoto, Japan
fDate :
27 June-2 July 2004
Abstract :
A scheme of secret key agreement from correlated random numbers is described. It is proved that there is a pair of sparce matrices that yields a secret key agreement in the situation wherein a sender, a legitimate receiver, and an eavesdropper have access to correlated random numbers.
Keywords :
cryptography; parity check codes; random sequences; sparse matrices; LDPC matrix; correlated random number; low density parity check; secret key agreement scheme; sparce matrices; Decoding; Error probability; Feedback; Galois fields; Laboratories; Parity check codes; Random sequences; Random variables; Sparse matrices;
Conference_Titel :
Information Theory, 2004. ISIT 2004. Proceedings. International Symposium on
Print_ISBN :
0-7803-8280-3
DOI :
10.1109/ISIT.2004.1365051
