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[v2,4/6] crypto: skip kdf_sp800108 self-test when tests disabled

Message ID 20221110081346.336046-5-ebiggers@kernel.org
State Superseded
Headers show
Series crypto: reduce overhead when self-tests disabled | expand

Commit Message

Eric Biggers Nov. 10, 2022, 8:13 a.m. UTC 
From: Eric Biggers <ebiggers@google.com>

Make kdf_sp800108 honor the CONFIG_CRYPTO_MANAGER_DISABLE_TESTS kconfig
option, so that it doesn't always waste time running its self-test.

Signed-off-by: Eric Biggers <ebiggers@google.com>
---
 crypto/kdf_sp800108.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)
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Patch

diff --git a/crypto/kdf_sp800108.c b/crypto/kdf_sp800108.c
index 58edf7797abfb..c6e3ad82d5f7a 100644
--- a/crypto/kdf_sp800108.c
+++ b/crypto/kdf_sp800108.c
@@ -125,9 +125,13 @@  static const struct kdf_testvec kdf_ctr_hmac_sha256_tv_template[] = {
 
 static int __init crypto_kdf108_init(void)
 {
-	int ret = kdf_test(&kdf_ctr_hmac_sha256_tv_template[0], "hmac(sha256)",
-			   crypto_kdf108_setkey, crypto_kdf108_ctr_generate);
+	int ret;
 
+	if (IS_ENABLED(CONFIG_CRYPTO_MANAGER_DISABLE_TESTS))
+		return 0;
+
+	ret = kdf_test(&kdf_ctr_hmac_sha256_tv_template[0], "hmac(sha256)",
+		       crypto_kdf108_setkey, crypto_kdf108_ctr_generate);
 	if (ret) {
 		if (fips_enabled)
 			panic("alg: self-tests for CTR-KDF (hmac(sha256)) failed (rc=%d)\n",