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further clarify intentt

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Signed-off-by: Leah Rowe <leah@libreboot.org>
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Leah Rowe
2026-03-25 20:50:59 +00:00
parent 4034b211ce
commit e8c4bccd86
1 changed files with 11 additions and 0 deletions
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util/libreboot-utils/lib/rand.c
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@@ -54,6 +54,17 @@
* for example must not rely on weak randomness. * for example must not rely on weak randomness.
* We must therefore treat broken randomness as * We must therefore treat broken randomness as
* though the world is broken, and burn accordingly. * though the world is broken, and burn accordingly.
*
* Similarly, any invalid input (NULL, zero bytes
* requested) are treated as fatal errors; again,
* cryptographic code must be reliable. If your
* code erroneously requested zero bytes, you might
* then end up with a non-randomised buffer, where
* you likely intended otherwise.
*
* In other words: call rset() correctly, or your
* program dies, and rset will behave correctly,
* or your program dies.
*/ */
void void