forked from rpms/openssl
07bd81ddaf
- obtain the seed for FIPS rng directly from the kernel device - drop the temporary symlinks
68 lines
2.2 KiB
Diff
68 lines
2.2 KiB
Diff
diff -up openssl-0.9.8j/crypto/rand/rand_lcl.h.rng-seed openssl-0.9.8j/crypto/rand/rand_lcl.h
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--- openssl-0.9.8j/crypto/rand/rand_lcl.h.rng-seed 2009-02-02 13:40:37.000000000 +0100
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+++ openssl-0.9.8j/crypto/rand/rand_lcl.h 2009-02-02 13:50:42.000000000 +0100
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@@ -112,7 +112,7 @@
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#ifndef HEADER_RAND_LCL_H
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#define HEADER_RAND_LCL_H
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-#define ENTROPY_NEEDED 32 /* require 256 bits = 32 bytes of randomness */
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+#define ENTROPY_NEEDED 48 /* we need 48 bytes of randomness for FIPS rng */
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#if !defined(USE_MD5_RAND) && !defined(USE_SHA1_RAND) && !defined(USE_MDC2_RAND) && !defined(USE_MD2_RAND)
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diff -up openssl-0.9.8j/fips/rand/fips_rand.c.rng-seed openssl-0.9.8j/fips/rand/fips_rand.c
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--- openssl-0.9.8j/fips/rand/fips_rand.c.rng-seed 2008-09-16 12:12:18.000000000 +0200
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+++ openssl-0.9.8j/fips/rand/fips_rand.c 2009-02-02 14:06:58.000000000 +0100
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@@ -155,7 +155,18 @@ static int fips_set_prng_seed(FIPS_PRNG_
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{
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int i;
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if (!ctx->keyed)
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- return 0;
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+ {
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+ FIPS_RAND_SIZE_T keylen = 16;
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+
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+ if (seedlen - keylen < AES_BLOCK_LENGTH)
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+ return 0;
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+ if (seedlen - keylen - 8 >= AES_BLOCK_LENGTH)
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+ keylen += 8;
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+ if (seedlen - keylen - 8 >= AES_BLOCK_LENGTH)
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+ keylen += 8;
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+ seedlen -= keylen;
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+ fips_set_prng_key(ctx, seed+seedlen, keylen);
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+ }
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/* In test mode seed is just supplied data */
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if (ctx->test_mode)
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{
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diff -up openssl-0.9.8j/fips/fips.c.rng-seed openssl-0.9.8j/fips/fips.c
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--- openssl-0.9.8j/fips/fips.c.rng-seed 2009-02-02 13:40:38.000000000 +0100
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+++ openssl-0.9.8j/fips/fips.c 2009-02-02 13:49:32.000000000 +0100
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@@ -509,22 +509,22 @@ int FIPS_mode_set(int onoff)
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goto end;
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}
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+ /* now switch into FIPS mode */
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+ fips_set_rand_check(FIPS_rand_method());
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+ RAND_set_rand_method(FIPS_rand_method());
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+
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/* automagically seed PRNG if not already seeded */
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if(!FIPS_rand_status())
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{
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- if(RAND_bytes(buf,sizeof buf) <= 0)
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+ RAND_poll();
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+ if (!FIPS_rand_status())
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{
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fips_selftest_fail = 1;
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ret = 0;
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goto end;
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}
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- FIPS_rand_set_key(buf,32);
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- FIPS_rand_seed(buf+32,16);
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}
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- /* now switch into FIPS mode */
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- fips_set_rand_check(FIPS_rand_method());
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- RAND_set_rand_method(FIPS_rand_method());
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if(FIPS_selftest())
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fips_set_mode(1);
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else
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