lib: crypto: add pkcs7 message parser
Imported from linux kernel v5.3:
pkcs7.asn1 without changes
pkcs7.h with changes marked as __UBOOT__
pkcs7_parser.h without changes
pkcs7_parser.c with changes marked as __UBOOT__
Signed-off-by: AKASHI Takahiro <takahiro.akashi@linaro.org>
diff --git a/lib/crypto/Kconfig b/lib/crypto/Kconfig
index aeb599c..2b221b9 100644
--- a/lib/crypto/Kconfig
+++ b/lib/crypto/Kconfig
@@ -39,4 +39,14 @@
data and provides the ability to instantiate a crypto key from a
public key packet found inside the certificate.
+config PKCS7_MESSAGE_PARSER
+ bool "PKCS#7 message parser"
+ depends on X509_CERTIFICATE_PARSER
+ select ASN1_DECODER
+ select ASN1_COMPILER
+ select OID_REGISTRY
+ help
+ This option provides support for parsing PKCS#7 format messages for
+ signature data and provides the ability to verify the signature.
+
endif # ASYMMETRIC_KEY_TYPE