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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>
|
||
|---|---|---|
| .. | ||
| .gitignore | ||
| asymmetric_keys.h | ||
| asymmetric_type.c | ||
| Kconfig | ||
| Makefile | ||
| pkcs7_key_type.c | ||
| pkcs7_parser.c | ||
| pkcs7_parser.h | ||
| pkcs7_trust.c | ||
| pkcs7_verify.c | ||
| pkcs7.asn1 | ||
| public_key.c | ||
| public_key.h | ||
| rsa.c | ||
| signature.c | ||
| x509_cert_parser.c | ||
| x509_parser.h | ||
| x509_public_key.c | ||
| x509_rsakey.asn1 | ||
| x509.asn1 | ||