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authorJens Axboe <axboe@fb.com>2014-09-22 11:57:32 -0600
committerJens Axboe <axboe@fb.com>2014-09-22 11:57:32 -0600
commit6d11fb454b161a4565c57be6f1c5527235741003 (patch)
treec238ed3df2f654181c2a0746478a33b32214cc60 /include/crypto/drbg.h
parentb207892b061da7608878e273ae22ba9bf9be264b (diff)
parent8b95741569eabc5eb17da71d1d3668cdb0bef86c (diff)
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Merge branch 'for-linus' into for-3.18/core
Moving patches from for-linus to 3.18 instead, pull in this changes that will go to Linus today.
Diffstat (limited to 'include/crypto/drbg.h')
-rw-r--r--include/crypto/drbg.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/include/crypto/drbg.h b/include/crypto/drbg.h
index 831d786976c5..882675e7c055 100644
--- a/include/crypto/drbg.h
+++ b/include/crypto/drbg.h
@@ -162,12 +162,25 @@ static inline size_t drbg_max_request_bytes(struct drbg_state *drbg)
static inline size_t drbg_max_addtl(struct drbg_state *drbg)
{
+#if (__BITS_PER_LONG == 32)
+ /*
+ * SP800-90A allows smaller maximum numbers to be returned -- we
+ * return SIZE_MAX - 1 to allow the verification of the enforcement
+ * of this value in drbg_healthcheck_sanity.
+ */
+ return (SIZE_MAX - 1);
+#else
return (1UL<<(drbg->core->max_addtllen));
+#endif
}
static inline size_t drbg_max_requests(struct drbg_state *drbg)
{
+#if (__BITS_PER_LONG == 32)
+ return SIZE_MAX;
+#else
return (1UL<<(drbg->core->max_req));
+#endif
}
/*