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Use SHA2 instead of boost::hash to generate shmem id

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This commit is contained in:
Alexey Rybalchenko 2020-06-04 20:29:42 +02:00
parent bdf895ae9e
commit 36d4f3c937
1 changed files with 5 additions and 3 deletions
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8
fairmq/shmem/Common.h
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@ -8,6 +8,8 @@
#ifndef FAIR_MQ_SHMEM_COMMON_H_
#define FAIR_MQ_SHMEM_COMMON_H_
#include <picosha2.h>
#include <atomic>
#include <string>
#include <unordered_map>
@ -110,9 +112,9 @@ struct RegionBlock
// a hash of user id + session id, truncated to 8 characters (to accommodate for name size limit on some systems (MacOS)).
inline std::string buildShmIdFromSessionIdAndUserId(const std::string& sessionId)
{
boost::hash<std::string> stringHash;
std::string shmId(std::to_string(stringHash(std::string((std::to_string(geteuid()) + sessionId)))));
shmId.resize(8, '_');
std::string seed((std::to_string(geteuid()) + sessionId));
std::string shmId = picosha2::hash256_hex_string(seed);
shmId.resize(10, '_');
return shmId;
}