diff --git a/Documentation/admin-guide/kernel-parameters.txt b/Documentation/admin-guide/kernel-parameters.txt
index 1518343bbe22..9b6f85b1376c 100644
--- a/Documentation/admin-guide/kernel-parameters.txt
+++ b/Documentation/admin-guide/kernel-parameters.txt
@@ -2094,7 +2094,8 @@
 	ima_policy=	[IMA]
 			The builtin policies to load during IMA setup.
 			Format: "tcb | appraise_tcb | secure_boot |
-				 fail_securely | critical_data"
+				 fail_securely | critical_data |
+				 digest_cache_measure | digest_cache_appraise"
 
 			The "tcb" policy measures all programs exec'd, files
 			mmap'd for exec, and all files opened with the read
@@ -2116,6 +2117,13 @@
 			The "critical_data" policy measures kernel integrity
 			critical data.
 
+			The "digest_cache_measure" policy measures digest lists
+			into PCR 12 (can be changed with kernel config).
+
+			The "digest_cache_appraise" policy appraises digest
+			lists with IMA signatures or module-style appended
+			signatures.
+
 	ima_tcb		[IMA] Deprecated.  Use ima_policy= instead.
 			Load a policy which meets the needs of the Trusted
 			Computing Base.  This means IMA will measure all
diff --git a/security/integrity/ima/Kconfig b/security/integrity/ima/Kconfig
index 475c32615006..d2d79185f714 100644
--- a/security/integrity/ima/Kconfig
+++ b/security/integrity/ima/Kconfig
@@ -321,4 +321,14 @@ config IMA_DISABLE_HTABLE
 	help
 	   This option disables htable to allow measurement of duplicate records.
 
+config IMA_DIGEST_CACHE_MEASURE_PCR_IDX
+	int
+	range 8 14
+	default 12
+	help
+	  This option determines the TPM PCR register index that IMA uses to
+	  maintain the integrity aggregate of the measurement list, when the
+	  Integrity Digest Cache is used (different measurement style).
+	  If unsure, use the default 12.
+
 endif
diff --git a/security/integrity/ima/ima_policy.c b/security/integrity/ima/ima_policy.c
index eb3bfe01782d..c2bf58010b89 100644
--- a/security/integrity/ima/ima_policy.c
+++ b/security/integrity/ima/ima_policy.c
@@ -254,6 +254,21 @@ static struct ima_rule_entry critical_data_rules[] __ro_after_init = {
 	{.action = MEASURE, .func = CRITICAL_DATA, .flags = IMA_FUNC},
 };
 
+static struct ima_rule_entry measure_digest_cache_rule __ro_after_init = {
+#ifdef CONFIG_INTEGRITY_DIGEST_CACHE
+	.action = MEASURE, .func = DIGEST_LIST_CHECK,
+	.pcr = CONFIG_IMA_DIGEST_CACHE_MEASURE_PCR_IDX,
+	.flags = IMA_FUNC | IMA_PCR
+#endif
+};
+
+static struct ima_rule_entry appraise_digest_cache_rule __ro_after_init = {
+#ifdef CONFIG_INTEGRITY_DIGEST_CACHE
+	.action = APPRAISE, .func = DIGEST_LIST_CHECK,
+	.flags = IMA_FUNC | IMA_DIGSIG_REQUIRED | IMA_MODSIG_ALLOWED,
+#endif
+};
+
 /* An array of architecture specific rules */
 static struct ima_rule_entry *arch_policy_entry __ro_after_init;
 
@@ -278,6 +293,8 @@ static bool ima_use_appraise_tcb __initdata;
 static bool ima_use_secure_boot __initdata;
 static bool ima_use_critical_data __initdata;
 static bool ima_fail_unverifiable_sigs __ro_after_init;
+static bool ima_digest_cache_measure __ro_after_init;
+static bool ima_digest_cache_appraise __ro_after_init;
 static int __init policy_setup(char *str)
 {
 	char *p;
@@ -295,6 +312,10 @@ static int __init policy_setup(char *str)
 			ima_use_critical_data = true;
 		else if (strcmp(p, "fail_securely") == 0)
 			ima_fail_unverifiable_sigs = true;
+		else if (strcmp(p, "digest_cache_measure") == 0)
+			ima_digest_cache_measure = true;
+		else if (strcmp(p, "digest_cache_appraise") == 0)
+			ima_digest_cache_appraise = true;
 		else
 			pr_err("policy \"%s\" not found", p);
 	}
@@ -983,6 +1004,20 @@ void __init ima_init_policy(void)
 {
 	int build_appraise_entries, arch_entries;
 
+	/*
+	 * We need to load digest cache rules at the beginning, to avoid dont_
+	 * rules causing ours to not be reached.
+	 */
+	if (IS_ENABLED(CONFIG_INTEGRITY_DIGEST_CACHE)) {
+		if (ima_digest_cache_measure)
+			add_rules(&measure_digest_cache_rule, 1,
+				  IMA_DEFAULT_POLICY);
+
+		if (ima_digest_cache_appraise)
+			add_rules(&appraise_digest_cache_rule, 1,
+				  IMA_DEFAULT_POLICY);
+	}
+
 	/* if !ima_policy, we load NO default rules */
 	if (ima_policy)
 		add_rules(dont_measure_rules, ARRAY_SIZE(dont_measure_rules),
