diff options
author | Bodo Möller <bodo@openssl.org> | 2000-02-19 15:22:53 +0000 |
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committer | Bodo Möller <bodo@openssl.org> | 2000-02-19 15:22:53 +0000 |
commit | 853f757ecea74a271a7c5cdee3f3b5fe0d3ae863 (patch) | |
tree | 13a2eb9ba4e6b03334914e6e0b8cd465cadce870 /doc/crypto | |
parent | ae1bb4e572e02ce73d54c05ce18e872c36da2d35 (diff) |
Allow for higher granularity of entropy estimates by using 'double'
instead of 'unsigned' counters.
Seed PRNG in MacOS/GetHTTPS.src/GetHTTPS.cpp.
Partially submitted by Yoram Meroz <yoram@mail.idrive.com>.
Diffstat (limited to 'doc/crypto')
-rw-r--r-- | doc/crypto/RAND_add.pod | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/doc/crypto/RAND_add.pod b/doc/crypto/RAND_add.pod index 10be71a894..927c59d4c3 100644 --- a/doc/crypto/RAND_add.pod +++ b/doc/crypto/RAND_add.pod @@ -10,7 +10,7 @@ RAND_add, RAND_seed, RAND_screen - Add entropy to the PRNG void RAND_seed(const void *buf, int num); - void RAND_add(const void *buf, int num, int entropy); + void RAND_add(const void *buf, int num, double entropy); void RAND_screen(void); @@ -22,9 +22,9 @@ increases the uncertainty about the state and makes the PRNG output less predictable. Suitable input comes from user interaction (random key presses, mouse movements) and certain hardware events. The B<entropy> argument is (the lower bound of) an estimate of how much -randomness is contained in B<buf>. Details about sources of randomness -and how to estimate their entropy can be found in the literature, -e.g. RFC 1750. +randomness is contained in B<buf>, measured in bytes. Details about +sources of randomness and how to estimate their entropy can be found +in the literature, e.g. RFC 1750. RAND_add() may be called with sensitive data such as user entered passwords. The seed values cannot be recovered from the PRNG output. |