Author: tuexen Date: Thu Aug 23 19:10:45 2018 New Revision: 338273 URL: https://svnweb.freebsd.org/changeset/base/338273
Log: Use arc4rand() instead of read_random() in the SCTP and TCP code. This was suggested by jmg@. Reviewed by: delphij@, jmg@, jtl@ MFC after: 1 month Sponsored by: Netflix, Inc. Differential Revision: https://reviews.freebsd.org/D16860 Modified: head/sys/netinet/sctp_os_bsd.h head/sys/netinet/tcp_subr.c Modified: head/sys/netinet/sctp_os_bsd.h ============================================================================== --- head/sys/netinet/sctp_os_bsd.h Thu Aug 23 18:46:05 2018 (r338272) +++ head/sys/netinet/sctp_os_bsd.h Thu Aug 23 19:10:45 2018 (r338273) @@ -445,7 +445,7 @@ sctp_get_mbuf_for_msg(unsigned int space_needed, /* * SCTP AUTH */ -#define SCTP_READ_RANDOM(buf, len) read_random(buf, len) +#define SCTP_READ_RANDOM(buf, len) arc4rand(buf, len, 0) /* map standard crypto API names */ #define SCTP_SHA1_CTX SHA1_CTX Modified: head/sys/netinet/tcp_subr.c ============================================================================== --- head/sys/netinet/tcp_subr.c Thu Aug 23 18:46:05 2018 (r338272) +++ head/sys/netinet/tcp_subr.c Thu Aug 23 19:10:45 2018 (r338273) @@ -1096,7 +1096,7 @@ tcp_init(void) /* Initialize the TCP logging data. */ tcp_log_init(); #endif - read_random(&V_ts_offset_secret, sizeof(V_ts_offset_secret)); + arc4rand(&V_ts_offset_secret, sizeof(V_ts_offset_secret), 0); if (tcp_soreceive_stream) { #ifdef INET @@ -2716,7 +2716,7 @@ tcp_new_isn(struct in_conninfo *inc) if ((V_isn_last_reseed == 0) || ((V_tcp_isn_reseed_interval > 0) && (((u_int)V_isn_last_reseed + (u_int)V_tcp_isn_reseed_interval*hz) < (u_int)ticks))) { - read_random(&V_isn_secret, sizeof(V_isn_secret)); + arc4rand(&V_isn_secret, sizeof(V_isn_secret), 0); V_isn_last_reseed = ticks; } _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
