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Cc: Dmitry Baryshkov <>
Subject: [PATCH] evmctl: support verification of portable EVM signatures
Date: Thu, 26 Mar 2020 19:27:23 +0300
Message-ID: <> (raw)

From: Dmitry Baryshkov <>

EVM signature code checked explicitly checked for signature type to be
EVM_IMA_XATTR_DIGSIG (0x03). Allow it to be either EVM_IMA_XATTR_DIGSIG

Signed-off-by: Dmitry Baryshkov <>
 src/evmctl.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/evmctl.c b/src/evmctl.c
index b02be8b1507a..b3f6f65523ef 100644
--- a/src/evmctl.c
+++ b/src/evmctl.c
@@ -824,7 +824,7 @@ static int verify_evm(const char *file)
 		return len;
-	if (sig[0] != 0x03) {
+	if (sig[0] != EVM_IMA_XATTR_DIGSIG || sig[0] != EVM_XATTR_PORTABLE_DIGSIG) {
 		log_err("%s has no signature\n", xattr_evm);
 		return -1;

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