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linux-sg2042/crypto/asymmetric_keys/Makefile

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KEYS: Implement asymmetric key type Create a key type that can be used to represent an asymmetric key type for use in appropriate cryptographic operations, such as encryption, decryption, signature generation and signature verification. The key type is "asymmetric" and can provide access to a variety of cryptographic algorithms. Possibly, this would be better as "public_key" - but that has the disadvantage that "public key" is an overloaded term. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-13 22:17:21 +08:00
#
# Makefile for asymmetric cryptographic keys
#
obj-$(CONFIG_ASYMMETRIC_KEY_TYPE) += asymmetric_keys.o
KEYS: Provide signature verification with an asymmetric key Provide signature verification using an asymmetric-type key to indicate the public key to be used. The API is a single function that can be found in crypto/public_key.h: int verify_signature(const struct key *key, const struct public_key_signature *sig) The first argument is the appropriate key to be used and the second argument is the parsed signature data: struct public_key_signature { u8 *digest; u16 digest_size; enum pkey_hash_algo pkey_hash_algo : 8; union { MPI mpi[2]; struct { MPI s; /* m^d mod n */ } rsa; struct { MPI r; MPI s; } dsa; }; }; This should be filled in prior to calling the function. The hash algorithm should already have been called and the hash finalised and the output should be in a buffer pointed to by the 'digest' member. Any extra data to be added to the hash by the hash format (eg. PGP) should have been added by the caller prior to finalising the hash. It is assumed that the signature is made up of a number of MPI values. If an algorithm becomes available for which this is not the case, the above structure will have to change. It is also assumed that it will have been checked that the signature algorithm matches the key algorithm. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-22 06:25:04 +08:00
asymmetric_keys-y := asymmetric_type.o signature.o
KEYS: Asymmetric public-key algorithm crypto key subtype Add a subtype for supporting asymmetric public-key encryption algorithms such as DSA (FIPS-186) and RSA (PKCS#1 / RFC1337). Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-22 06:24:55 +08:00
obj-$(CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE) += public_key.o
RSA: Implement signature verification algorithm [PKCS#1 / RFC3447] Implement RSA public key cryptography [PKCS#1 / RFC3447]. At this time, only the signature verification algorithm is supported. This uses the asymmetric public key subtype to hold its key data. Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-22 06:25:40 +08:00
obj-$(CONFIG_PUBLIC_KEY_ALGO_RSA) += rsa.o
X.509: Add a crypto key parser for binary (DER) X.509 certificates Add a crypto key parser for binary (DER) encoded X.509 certificates. The certificate is parsed and, if possible, the signature is verified. An X.509 key can be added like this: # keyctl padd crypto bar @s </tmp/x509.cert 15768135 and displayed like this: # cat /proc/keys 00f09a47 I--Q--- 1 perm 39390000 0 0 asymmetri bar: X509.RSA e9fd6d08 [] Note that this only works with binary certificates. PEM encoded certificates are ignored by the parser. Note also that the X.509 key ID is not congruent with the PGP key ID, but for the moment, they will match. If a NULL or "" name is given to add_key(), then the parser will generate a key description from the CertificateSerialNumber and Name fields of the TBSCertificate: 00aefc4e I--Q--- 1 perm 39390000 0 0 asymmetri bfbc0cd76d050ea4:/C=GB/L=Cambridge/O=Red Hat/CN=kernel key: X509.RSA 0c688c7b [] Signed-off-by: David Howells <dhowells@redhat.com> Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
2012-09-25 00:11:48 +08:00
#
# X.509 Certificate handling
#
obj-$(CONFIG_X509_CERTIFICATE_PARSER) += x509_key_parser.o
x509_key_parser-y := \
x509-asn1.o \
x509_rsakey-asn1.o \
x509_cert_parser.o \
x509_public_key.o
$(obj)/x509_cert_parser.o: $(obj)/x509-asn1.h $(obj)/x509_rsakey-asn1.h
$(obj)/x509-asn1.o: $(obj)/x509-asn1.c $(obj)/x509-asn1.h
$(obj)/x509_rsakey-asn1.o: $(obj)/x509_rsakey-asn1.c $(obj)/x509_rsakey-asn1.h
clean-files += x509-asn1.c x509-asn1.h
clean-files += x509_rsakey-asn1.c x509_rsakey-asn1.h
PKCS#7: Implement a parser [RFC 2315] Implement a parser for a PKCS#7 signed-data message as described in part of RFC 2315. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
2014-07-01 23:40:19 +08:00
#
# PKCS#7 message handling
#
obj-$(CONFIG_PKCS7_MESSAGE_PARSER) += pkcs7_message.o
pkcs7_message-y := \
pkcs7-asn1.o \
PKCS#7: Digest the data in a signed-data message Digest the data in a PKCS#7 signed-data message and attach to the public_key_signature struct contained in the pkcs7_message struct. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
2014-07-01 23:40:19 +08:00
pkcs7_parser.o \
PKCS#7: Find intersection between PKCS#7 message and known, trusted keys Find the intersection between the X.509 certificate chain contained in a PKCS#7 message and a set of keys that we already know and trust. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
2014-07-01 23:40:20 +08:00
pkcs7_trust.o \
PKCS#7: Digest the data in a signed-data message Digest the data in a PKCS#7 signed-data message and attach to the public_key_signature struct contained in the pkcs7_message struct. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
2014-07-01 23:40:19 +08:00
pkcs7_verify.o
PKCS#7: Implement a parser [RFC 2315] Implement a parser for a PKCS#7 signed-data message as described in part of RFC 2315. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
2014-07-01 23:40:19 +08:00
$(obj)/pkcs7_parser.o: $(obj)/pkcs7-asn1.h
$(obj)/pkcs7-asn1.o: $(obj)/pkcs7-asn1.c $(obj)/pkcs7-asn1.h
clean-files += pkcs7-asn1.c pkcs7-asn1.h
PKCS#7: Provide a key type for testing PKCS#7 Provide a key type for testing the PKCS#7 parser. It is given a non-detached PKCS#7 message as payload: keyctl padd pkcs7_test a @s <stuff.pkcs7 The PKCS#7 wrapper is validated against the trusted certificates available and then stripped off. If successful, the key can be read, which will give the data content of the PKCS#7 message. A suitable message can be created by running make on the attached Makefile. This will produce a file called stuff.pkcs7 for test loading. The key3.x509 file should be put into the kernel source tree before it is built and converted to DER form: openssl x509 -in .../pkcs7/key3.x509 -outform DER -out key3.x509 ############################################################################### # # Create a pkcs7 message and sign it twice # # openssl x509 -text -inform PEM -noout -in key2.x509 # ############################################################################### stuff.pkcs7: stuff.txt key2.priv key2.x509 key4.priv key4.x509 certs $(RM) $@ openssl smime -sign \ -signer key2.x509 \ -inkey key2.priv \ -signer key4.x509 \ -inkey key4.priv \ -in stuff.txt \ -certfile certs \ -out $@ -binary -outform DER -nodetach openssl pkcs7 -inform DER -in stuff.pkcs7 -print_certs -noout openssl asn1parse -inform DER -in stuff.pkcs7 -i >out stuff.txt: echo "The quick red fox jumped over the lazy brown dog" >stuff.txt certs: key1.x509 key2.x509 key3.x509 key4.x509 cat key{1,3}.x509 >$@ ############################################################################### # # Generate a signed key # # openssl x509 -text -inform PEM -noout -in key2.x509 # ############################################################################### key2.x509: key2.x509_unsigned key1.priv key1.x509 openssl x509 \ -req -in key2.x509_unsigned \ -out key2.x509 \ -extfile key2.genkey -extensions myexts \ -CA key1.x509 \ -CAkey key1.priv \ -CAcreateserial key2.priv key2.x509_unsigned: key2.genkey openssl req -new -nodes -utf8 -sha1 -days 36500 \ -batch -outform PEM \ -config key2.genkey \ -keyout key2.priv \ -out key2.x509_unsigned key2.genkey: @echo Generating X.509 key generation config @echo >$@ "[ req ]" @echo >>$@ "default_bits = 4096" @echo >>$@ "distinguished_name = req_distinguished_name" @echo >>$@ "prompt = no" @echo >>$@ "string_mask = utf8only" @echo >>$@ "x509_extensions = myexts" @echo >>$@ @echo >>$@ "[ req_distinguished_name ]" @echo >>$@ "O = Magrathea" @echo >>$@ "CN = PKCS7 key 2" @echo >>$@ "emailAddress = slartibartfast@magrathea.h2g2" @echo >>$@ @echo >>$@ "[ myexts ]" @echo >>$@ "basicConstraints=critical,CA:FALSE" @echo >>$@ "keyUsage=digitalSignature" @echo >>$@ "subjectKeyIdentifier=hash" @echo >>$@ "authorityKeyIdentifier=keyid" ############################################################################### # # Generate a couple of signing keys # # openssl x509 -text -inform PEM -noout -in key1.x509 # ############################################################################### key1.x509: key1.x509_unsigned key4.priv key4.x509 openssl x509 \ -req -in key1.x509_unsigned \ -out key1.x509 \ -extfile key1.genkey -extensions myexts \ -CA key4.x509 \ -CAkey key4.priv \ -CAcreateserial key1.priv key1.x509_unsigned: key1.genkey openssl req -new -nodes -utf8 -sha1 -days 36500 \ -batch -outform PEM \ -config key1.genkey \ -keyout key1.priv \ -out key1.x509_unsigned key1.genkey: @echo Generating X.509 key generation config @echo >$@ "[ req ]" @echo >>$@ "default_bits = 4096" @echo >>$@ "distinguished_name = req_distinguished_name" @echo >>$@ "prompt = no" @echo >>$@ "string_mask = utf8only" @echo >>$@ "x509_extensions = myexts" @echo >>$@ @echo >>$@ "[ req_distinguished_name ]" @echo >>$@ "O = Magrathea" @echo >>$@ "CN = PKCS7 key 1" @echo >>$@ "emailAddress = slartibartfast@magrathea.h2g2" @echo >>$@ @echo >>$@ "[ myexts ]" @echo >>$@ "basicConstraints=critical,CA:TRUE" @echo >>$@ "keyUsage=digitalSignature,keyCertSign" @echo >>$@ "subjectKeyIdentifier=hash" @echo >>$@ "authorityKeyIdentifier=keyid" ############################################################################### # # Generate a signed key # # openssl x509 -text -inform PEM -noout -in key4.x509 # ############################################################################### key4.x509: key4.x509_unsigned key3.priv key3.x509 openssl x509 \ -req -in key4.x509_unsigned \ -out key4.x509 \ -extfile key4.genkey -extensions myexts \ -CA key3.x509 \ -CAkey key3.priv \ -CAcreateserial key4.priv key4.x509_unsigned: key4.genkey openssl req -new -nodes -utf8 -sha1 -days 36500 \ -batch -outform PEM \ -config key4.genkey \ -keyout key4.priv \ -out key4.x509_unsigned key4.genkey: @echo Generating X.509 key generation config @echo >$@ "[ req ]" @echo >>$@ "default_bits = 4096" @echo >>$@ "distinguished_name = req_distinguished_name" @echo >>$@ "prompt = no" @echo >>$@ "string_mask = utf8only" @echo >>$@ "x509_extensions = myexts" @echo >>$@ @echo >>$@ "[ req_distinguished_name ]" @echo >>$@ "O = Magrathea" @echo >>$@ "CN = PKCS7 key 4" @echo >>$@ "emailAddress = slartibartfast@magrathea.h2g2" @echo >>$@ @echo >>$@ "[ myexts ]" @echo >>$@ "basicConstraints=critical,CA:TRUE" @echo >>$@ "keyUsage=digitalSignature,keyCertSign" @echo >>$@ "subjectKeyIdentifier=hash" @echo >>$@ "authorityKeyIdentifier=keyid" ############################################################################### # # Generate a couple of signing keys # # openssl x509 -text -inform PEM -noout -in key3.x509 # ############################################################################### key3.priv key3.x509: key3.genkey openssl req -new -nodes -utf8 -sha1 -days 36500 \ -batch -x509 -outform PEM \ -config key3.genkey \ -keyout key3.priv \ -out key3.x509 key3.genkey: @echo Generating X.509 key generation config @echo >$@ "[ req ]" @echo >>$@ "default_bits = 4096" @echo >>$@ "distinguished_name = req_distinguished_name" @echo >>$@ "prompt = no" @echo >>$@ "string_mask = utf8only" @echo >>$@ "x509_extensions = myexts" @echo >>$@ @echo >>$@ "[ req_distinguished_name ]" @echo >>$@ "O = Magrathea" @echo >>$@ "CN = PKCS7 key 3" @echo >>$@ "emailAddress = slartibartfast@magrathea.h2g2" @echo >>$@ @echo >>$@ "[ myexts ]" @echo >>$@ "basicConstraints=critical,CA:TRUE" @echo >>$@ "keyUsage=digitalSignature,keyCertSign" @echo >>$@ "subjectKeyIdentifier=hash" @echo >>$@ "authorityKeyIdentifier=keyid" clean: $(RM) *~ $(RM) key1.* key2.* key3.* key4.* stuff.* out certs Signed-off-by: David Howells <dhowells@redhat.com>
2014-07-02 02:06:18 +08:00
#
# PKCS#7 parser testing key
#
obj-$(CONFIG_PKCS7_TEST_KEY) += pkcs7_test_key.o
pkcs7_test_key-y := \
pkcs7_key_type.o
pefile: Parse a PE binary to find a key and a signature contained therein Parse a PE binary to find a key and a signature contained therein. Later patches will check the signature and add the key if the signature checks out. Signed-off-by: David Howells <dhowells@redhat.com> Acked-by: Vivek Goyal <vgoyal@redhat.com> Reviewed-by: Kees Cook <keescook@chromium.org>
2014-07-01 23:02:51 +08:00
#
# Signed PE binary-wrapped key handling
#
obj-$(CONFIG_SIGNED_PE_FILE_VERIFICATION) += verify_signed_pefile.o
verify_signed_pefile-y := \
verify_pefile.o