Lines Matching full:hmac

10  *	 Using root's kernel master key (kmk), calculate the HMAC
39 static const char evm_hmac[] = "hmac(sha1)";
42  * evm_set_key() - set EVM HMAC key from the kernel
46  * This function allows setting the EVM HMAC key from the kernel
84 			pr_err_once("HMAC key is not set\n");
149 		 * unsigned long to allow existing HMAC and signatures from
168 	/* The hmac uid and gid must be encoded in the initial user
221  * Calculate the HMAC value across the set of protected security xattrs.
224  * the hmac using the requested xattr value. Don't alloc/free memory for
369  * Calculate the hmac and update security.evm xattr
437  * Get the key from the TPM for the SHA1-HMAC