if CRYPTO_DRBG_CTR is builtin and CTR is module, allocating such algo will fail. DRBG: could not allocate CTR cipher TFM handle: ctr(aes) alg: drbg: Failed to reset rng alg: drbg: Test 0 failed for drbg_pr_ctr_aes128 DRBG: could not allocate CTR cipher TFM handle: ctr(aes) alg: drbg: Failed to reset rng alg: drbg: Test 0 failed for drbg_nopr_ctr_aes128 DRBG: could not allocate CTR cipher TFM handle: ctr(aes) alg: drbg: Failed to reset rng alg: drbg: Test 0 failed for drbg_nopr_ctr_aes192 DRBG: could not allocate CTR cipher TFM handle: ctr(aes) alg: drbg: Failed to reset rng ialg: drbg: Test 0 failed for drbg_nopr_ctr_aes256 Since setting DRBG_CTR=CTR lead to a recursive dependency, let's depends on CTR=y Just selecting CTR lead also to a recursive dependency: crypto/Kconfig:1800:error: recursive dependency detected! crypto/Kconfig:1800: symbol CRYPTO_DRBG_MENU is selected by CRYPTO_RNG_DEFAULT crypto/Kconfig:83: symbol CRYPTO_RNG_DEFAULT is selected by CRYPTO_SEQIV crypto/Kconfig:330: symbol CRYPTO_SEQIV is selected by CRYPTO_CTR crypto/Kconfig:370: symbol CRYPTO_CTR is selected by CRYPTO_DRBG_CTR crypto/Kconfig:1822: symbol CRYPTO_DRBG_CTR depends on CRYPTO_DRBG_MENU Signed-off-by: Corentin Labbe <clabbe@xxxxxxxxxxxx> --- Changes since v1: - Updated commit message with recursive dependency crypto/Kconfig | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/crypto/Kconfig b/crypto/Kconfig index 6d27fc6a7bf5..eddeb43fc01c 100644 --- a/crypto/Kconfig +++ b/crypto/Kconfig @@ -1822,7 +1822,7 @@ config CRYPTO_DRBG_HASH config CRYPTO_DRBG_CTR bool "Enable CTR DRBG" select CRYPTO_AES - depends on CRYPTO_CTR + depends on CRYPTO_CTR=y help Enable the CTR DRBG variant as defined in NIST SP800-90A. -- 2.24.1
