[PATCH v4 1/5] IMA: remove the dependency on CRYPTO_MD5

[THOBY Simon <Simon.THOBY@viveris.fr>]

Remove the CRYPTO_MD5 dependency for IMA, as it is not necessary
and it hinders the efficiency of a patchset that limit the digests
allowed for the security.ima xattr.

Signed-off-by: Simon Thoby <simon.thoby@viveris.fr>
---
 security/integrity/ima/Kconfig    | 1 -
 security/integrity/ima/ima_main.c | 2 ++
 2 files changed, 2 insertions(+), 1 deletion(-)

diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index d0ceada99243..f3a9cc201c8c 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -6,7 +6,6 @@ config IMA
 	select SECURITYFS
 	select CRYPTO
 	select CRYPTO_HMAC
-	select CRYPTO_MD5
 	select CRYPTO_SHA1
 	select CRYPTO_HASH_INFO
 	select TCG_TPM if HAS_IOMEM && !UML
diff --git a/security/integrity/ima/ima_main.c b/security/integrity/ima/ima_main.c
index 287b90509006..d171764230b7 100644
--- a/security/integrity/ima/ima_main.c
+++ b/security/integrity/ima/ima_main.c
@@ -53,8 +53,10 @@ static int __init hash_setup(char *str)
 	if (strcmp(template_desc->name, IMA_TEMPLATE_IMA_NAME) == 0) {
 		if (strncmp(str, "sha1", 4) == 0) {
 			ima_hash_algo = HASH_ALGO_SHA1;
+#ifdef CONFIG_CRYPTO_MD5
 		} else if (strncmp(str, "md5", 3) == 0) {
 			ima_hash_algo = HASH_ALGO_MD5;
+#endif
 		} else {
 			pr_err("invalid hash algorithm \"%s\" for template \"%s\"",
 				str, IMA_TEMPLATE_IMA_NAME);
-- 
2.31.1