Transaction rate limiters for peer-to-peer systems


 
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Old 10-23-2008
Transaction rate limiters for peer-to-peer systems

HPL-2008-142 Transaction rate limiters for peer-to-peer systems - Aguilera, Marcos K.; Lillibridge, Mark; Li, Xiaozhou
Keyword(s): limiter, peer-to-peer, .peer selection, anonymous queries, anonymous questions, rate limiter, reputation systems
Abstract: We introduce transaction rate limiters, new mechanisms that limit (probabilistically) the maximum number of transactions a user of a peer-to-peer system can do in any given period. They can be used to limit the consumption of selfish users and the damage done by malicious users. They complement repu ...
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SSL_get_peer_cert_chain(3)					      OpenSSL						SSL_get_peer_cert_chain(3)

NAME
SSL_get_peer_cert_chain - get the X509 certificate chain of the peer SYNOPSIS
#include <openssl/ssl.h> STACKOF(X509) *SSL_get_peer_cert_chain(const SSL *ssl); DESCRIPTION
SSL_get_peer_cert_chain() returns a pointer to STACKOF(X509) certificates forming the certificate chain of the peer. If called on the client side, the stack also contains the peer's certificate; if called on the server side, the peer's certificate must be obtained separately using SSL_get_peer_certificate(3). If the peer did not present a certificate, NULL is returned. NOTES
The peer certificate chain is not necessarily available after reusing a session, in which case a NULL pointer is returned. The reference count of the STACKOF(X509) object is not incremented. If the corresponding session is freed, the pointer must not be used any longer. RETURN VALUES
The following return values can occur: NULL No certificate was presented by the peer or no connection was established or the certificate chain is no longer available when a session is reused. Pointer to a STACKOF(X509) The return value points to the certificate chain presented by the peer. SEE ALSO
ssl(3), SSL_get_peer_certificate(3) 1.0.1e 2013-02-11 SSL_get_peer_cert_chain(3)