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crypto: dh - Use crypto_stdrng_get_bytes()

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Replace the sequence of crypto_get_default_rng(),
crypto_rng_get_bytes(), and crypto_put_default_rng() with the equivalent
helper function crypto_stdrng_get_bytes().

Signed-off-by: Eric Biggers <ebiggers@kernel.org>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
This commit is contained in:
Eric Biggers
2026-04-03 08:56:11 +08:00
committed by Herbert Xu
parent 52b84667bb
commit 9e9ff291c9
1 changed files with 1 additions and 7 deletions
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crypto/dh.c
+1 -7
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@@ -388,13 +388,7 @@ static void *dh_safe_prime_gen_privkey(const struct dh_safe_prime *safe_prime,
* 5.6.1.1.3, step 3 (and implicitly step 4): obtain N + 64
* random bits and interpret them as a big endian integer.
*/
err = -EFAULT;
if (crypto_get_default_rng())
goto out_err;
err = crypto_rng_get_bytes(crypto_default_rng, (u8 *)key,
oversampling_size);
crypto_put_default_rng();
err = crypto_stdrng_get_bytes(key, oversampling_size);
if (err)
goto out_err;