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Merge tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux

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Pull crypto library fix from Eric Biggers:
 "Fix missing zeroization of the ChaCha state"

* tag 'libcrypto-for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ebiggers/linux:
  lib/crypto: chacha: Zeroize permuted_state before it leaves scope
This commit is contained in:
Linus Torvalds
2026-03-30 13:40:48 -07:00
parent f1b24d8bdd e5046823f8
commit d0c3bcd5b8
1 changed files with 4 additions and 0 deletions
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4
lib/crypto/chacha-block-generic.c
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@@ -87,6 +87,8 @@ void chacha_block_generic(struct chacha_state *state,
&out[i * sizeof(u32)]);
state->x[12]++;
chacha_zeroize_state(&permuted_state);
}
EXPORT_SYMBOL(chacha_block_generic);
@@ -110,5 +112,7 @@ void hchacha_block_generic(const struct chacha_state *state,
memcpy(&out[0], &permuted_state.x[0], 16);
memcpy(&out[4], &permuted_state.x[12], 16);
chacha_zeroize_state(&permuted_state);
}
EXPORT_SYMBOL(hchacha_block_generic);