diff options
Diffstat (limited to 'crypto/hmac.c')
| -rw-r--r-- | crypto/hmac.c | 9 |
1 files changed, 7 insertions, 2 deletions
diff --git a/crypto/hmac.c b/crypto/hmac.c index e38bfb948278..3610ff0b6739 100644 --- a/crypto/hmac.c +++ b/crypto/hmac.c @@ -15,6 +15,7 @@ #include <crypto/internal/hash.h> #include <crypto/scatterwalk.h> #include <linux/err.h> +#include <linux/fips.h> #include <linux/init.h> #include <linux/kernel.h> #include <linux/module.h> @@ -51,6 +52,9 @@ static int hmac_setkey(struct crypto_shash *parent, SHASH_DESC_ON_STACK(shash, hash); unsigned int i; + if (fips_enabled && (keylen < 112 / 8)) + return -EINVAL; + shash->tfm = hash; if (keylen > bs) { @@ -168,11 +172,12 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb) struct crypto_shash_spawn *spawn; struct crypto_alg *alg; struct shash_alg *salg; + u32 mask; int err; int ds; int ss; - err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH); + err = crypto_check_attr_type(tb, CRYPTO_ALG_TYPE_SHASH, &mask); if (err) return err; @@ -182,7 +187,7 @@ static int hmac_create(struct crypto_template *tmpl, struct rtattr **tb) spawn = shash_instance_ctx(inst); err = crypto_grab_shash(spawn, shash_crypto_instance(inst), - crypto_attr_alg_name(tb[1]), 0, 0); + crypto_attr_alg_name(tb[1]), 0, mask); if (err) goto err_free_inst; salg = crypto_spawn_shash_alg(spawn); |