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-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 831d786..882675e 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
}
/*
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