diff options
Diffstat (limited to 'security/integrity/evm/evm_crypto.c')
| -rw-r--r-- | security/integrity/evm/evm_crypto.c | 4 |
1 files changed, 4 insertions, 0 deletions
diff --git a/security/integrity/evm/evm_crypto.c b/security/integrity/evm/evm_crypto.c index 461f8d891579..2c3591eca989 100644 --- a/security/integrity/evm/evm_crypto.c +++ b/security/integrity/evm/evm_crypto.c @@ -40,6 +40,10 @@ static struct shash_desc *init_desc(char type) struct shash_desc *desc; if (type == EVM_XATTR_HMAC) { + if (!(evm_initialized & EVM_INIT_HMAC)) { + pr_err("HMAC key is not set\n"); + return ERR_PTR(-ENOKEY); + } tfm = &hmac_tfm; algo = evm_hmac; } else { |