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Increase ENTROPY_NEEDED to support Rijndael's larger key size.

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Lutz Jänicke 2001-05-15 16:02:35 +00:00
parent 9e0fcabeca
commit e8734731d3
2 changed files with 4 additions and 1 deletions
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3
CHANGES
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@ -11,6 +11,9 @@
*) applies to 0.9.6a (/0.9.6b) and 0.9.7 *) applies to 0.9.6a (/0.9.6b) and 0.9.7
+) applies to 0.9.7 only +) applies to 0.9.7 only
+) Increase ENTROPY_NEEDED to 32 bytes, as Rijndael can operate with
256 bit (=32 byte) keys. Of course seeding with more entropy bytes
than this minimum value is recommended.
+) New random seeder for OpenVMS, using the system process statistics +) New random seeder for OpenVMS, using the system process statistics
that are easily reachable. that are easily reachable.

2
crypto/rand/rand_lcl.h
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@ -112,7 +112,7 @@
#ifndef HEADER_RAND_LCL_H #ifndef HEADER_RAND_LCL_H
#define HEADER_RAND_LCL_H #define HEADER_RAND_LCL_H
#define ENTROPY_NEEDED 20 /* require 160 bits = 20 bytes of randomness */ #define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */
#if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND) #if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND)