42 lines
1.3 KiB
Diff
42 lines
1.3 KiB
Diff
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Index: libgcrypt-1.10.3/random/rndgetentropy.c
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===================================================================
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--- libgcrypt-1.10.3.orig/random/rndgetentropy.c
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+++ libgcrypt-1.10.3/random/rndgetentropy.c
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@@ -53,16 +53,30 @@ _gcry_rndgetentropy_gather_random (void
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/* When using a blocking random generator try to get some entropy
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* from the jitter based RNG. In this case we take up to 50% of the
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- * remaining requested bytes. */
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+ * remaining requested bytes. In FIPS mode, we get all the entropy
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+ * from the jitter RNG. */
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if (level >= GCRY_VERY_STRONG_RANDOM)
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{
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size_t n;
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- n = _gcry_rndjent_poll (add, origin, length/2);
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- if (n > length/2)
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- n = length/2;
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- if (length > 1)
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- length -= n;
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+ /* In FIPS mode, use the whole length of the entropy buffer from
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+ * Jitter RNG */
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+ if (fips_mode ())
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+ {
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+ n = _gcry_rndjent_poll (add, origin, length);
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+ if (n != length)
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+ fips_signal_error ("jitter entropy failed");
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+ else
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+ length = 0;
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+ }
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+ else
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+ {
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+ n = _gcry_rndjent_poll (add, origin, length/2);
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+ if (n > length/2)
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+ n = length/2;
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+ if (length > 1)
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+ length -= n;
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+ }
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}
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/* Enter the loop. */
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