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Commit c27b2d2012 ("crypto: testmgr - allow ecdsa-nist-p256 and -p384
in FIPS mode") enabled support for ECDSA in crypto/testmgr.c. The
PKCS#7 signature verification API builds upon the KCAPI primitives to
perform its high-level operations. Therefore, this change in testmgr.c
also allows ECDSA to be used by the PKCS#7 signature verification API
(in FIPS mode).
However, from a FIPS perspective, the PKCS#7 signature verification API
is a distinct "service" from the KCAPI primitives. This is because the
PKCS#7 API performs a "full" signature verification, which consists of
both hashing the data to be verified, and the public key operation.
On the other hand, the KCAPI primitive does not perform this hashing
step - it accepts pre-hashed data from the caller and only performs the
public key operation.
For this reason, the ECDSA self-tests in crypto/testmgr.c are not
sufficient to cover ECDSA signature verification offered by the PKCS#7
API. This is reflected by the self-test already present in this file
for RSA PKCS#1 v1.5 signature verification.
The solution is simply to add a second self-test here for ECDSA. P-256
with SHA-256 hashing was chosen as those parameters should remain
FIPS-approved for the foreseeable future, while keeping the performance
impact to a minimum. The ECDSA certificate and PKCS#7 signed data was
generated using OpenSSL. The input data is identical to the input data
for the existing RSA self-test.
Signed-off-by: Joachim Vandersmissen <git@jvdsn.com>
Reviewed-by: Jarkko Sakkinen <jarkko@kernel.org>
Acked-by: Herbert Xu <herbert@gondor.apana.org.au>
Signed-off-by: Jarkko Sakkinen <jarkko@kernel.org>
82 lines
1.9 KiB
Makefile
82 lines
1.9 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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#
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# Makefile for asymmetric cryptographic keys
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#
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obj-$(CONFIG_ASYMMETRIC_KEY_TYPE) += asymmetric_keys.o
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asymmetric_keys-y := \
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asymmetric_type.o \
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restrict.o \
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signature.o
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obj-$(CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE) += public_key.o
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#
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# X.509 Certificate handling
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#
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obj-$(CONFIG_X509_CERTIFICATE_PARSER) += x509_key_parser.o
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x509_key_parser-y := \
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x509.asn1.o \
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x509_akid.asn1.o \
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x509_cert_parser.o \
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x509_loader.o \
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x509_public_key.o
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obj-$(CONFIG_FIPS_SIGNATURE_SELFTEST) += x509_selftest.o
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x509_selftest-y += selftest.o
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x509_selftest-$(CONFIG_FIPS_SIGNATURE_SELFTEST_RSA) += selftest_rsa.o
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x509_selftest-$(CONFIG_FIPS_SIGNATURE_SELFTEST_ECDSA) += selftest_ecdsa.o
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$(obj)/x509_cert_parser.o: \
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$(obj)/x509.asn1.h \
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$(obj)/x509_akid.asn1.h
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$(obj)/x509.asn1.o: $(obj)/x509.asn1.c $(obj)/x509.asn1.h
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$(obj)/x509_akid.asn1.o: $(obj)/x509_akid.asn1.c $(obj)/x509_akid.asn1.h
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#
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# PKCS#8 private key handling
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#
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obj-$(CONFIG_PKCS8_PRIVATE_KEY_PARSER) += pkcs8_key_parser.o
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pkcs8_key_parser-y := \
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pkcs8.asn1.o \
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pkcs8_parser.o
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$(obj)/pkcs8_parser.o: $(obj)/pkcs8.asn1.h
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$(obj)/pkcs8-asn1.o: $(obj)/pkcs8.asn1.c $(obj)/pkcs8.asn1.h
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clean-files += pkcs8.asn1.c pkcs8.asn1.h
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#
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# PKCS#7 message handling
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#
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obj-$(CONFIG_PKCS7_MESSAGE_PARSER) += pkcs7_message.o
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pkcs7_message-y := \
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pkcs7.asn1.o \
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pkcs7_parser.o \
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pkcs7_trust.o \
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pkcs7_verify.o
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$(obj)/pkcs7_parser.o: $(obj)/pkcs7.asn1.h
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$(obj)/pkcs7.asn1.o: $(obj)/pkcs7.asn1.c $(obj)/pkcs7.asn1.h
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#
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# PKCS#7 parser testing key
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#
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obj-$(CONFIG_PKCS7_TEST_KEY) += pkcs7_test_key.o
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pkcs7_test_key-y := \
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pkcs7_key_type.o
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#
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# Signed PE binary-wrapped key handling
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#
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obj-$(CONFIG_SIGNED_PE_FILE_VERIFICATION) += verify_signed_pefile.o
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verify_signed_pefile-y := \
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verify_pefile.o \
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mscode_parser.o \
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mscode.asn1.o
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$(obj)/mscode_parser.o: $(obj)/mscode.asn1.h $(obj)/mscode.asn1.h
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$(obj)/mscode.asn1.o: $(obj)/mscode.asn1.c $(obj)/mscode.asn1.h
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