---

yaml
---
r: 334303
b: refs/heads/master
c: c26fd69
h: refs/heads/master
i:
  334301: 6edd521
  334299: 1f5c873
  334295: 71bdc24
  334287: 1507654
  334271: 0a65238
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: e1045992949160b56309b730b8bdc428f2f8b69e
+refs/heads/master: c26fd69fa00916a31a47f5f096fd7be924106df8

trunk/crypto/asymmetric_keys/.gitignore

@@ -0,0 +1 @@
+*-asn1.[ch]

trunk/crypto/asymmetric_keys/Kconfig

@@ -25,4 +25,14 @@ config PUBLIC_KEY_ALGO_RSA
 	help
 	  This option enables support for the RSA algorithm (PKCS#1, RFC3447).
 
+config X509_CERTIFICATE_PARSER
+	tristate "X.509 certificate parser"
+	depends on ASYMMETRIC_PUBLIC_KEY_SUBTYPE
+	select ASN1
+	select OID_REGISTRY
+	help
+	  This option procides support for parsing X.509 format blobs for key
+	  data and provides the ability to instantiate a crypto key from a
+	  public key packet found inside the certificate.
+
 endif # ASYMMETRIC_KEY_TYPE

trunk/crypto/asymmetric_keys/Makefile

@@ -8,3 +8,20 @@ asymmetric_keys-y := asymmetric_type.o signature.o
 
 obj-$(CONFIG_ASYMMETRIC_PUBLIC_KEY_SUBTYPE) += public_key.o
 obj-$(CONFIG_PUBLIC_KEY_ALGO_RSA) += rsa.o
+
+#
+# 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

trunk/crypto/asymmetric_keys/x509.asn1

@@ -0,0 +1,60 @@
+Certificate ::= SEQUENCE {
+	tbsCertificate		TBSCertificate ({ x509_note_tbs_certificate }),
+	signatureAlgorithm	AlgorithmIdentifier,
+	signature		BIT STRING ({ x509_note_signature })
+	}
+
+TBSCertificate ::= SEQUENCE {
+	version           [ 0 ]	Version DEFAULT,
+	serialNumber		CertificateSerialNumber,
+	signature		AlgorithmIdentifier ({ x509_note_pkey_algo }),
+	issuer			Name ({ x509_note_issuer }),
+	validity		Validity,
+	subject			Name ({ x509_note_subject }),
+	subjectPublicKeyInfo	SubjectPublicKeyInfo,
+	issuerUniqueID    [ 1 ]	IMPLICIT UniqueIdentifier OPTIONAL,
+	subjectUniqueID   [ 2 ]	IMPLICIT UniqueIdentifier OPTIONAL,
+	extensions        [ 3 ]	Extensions OPTIONAL
+	}
+
+Version ::= INTEGER
+CertificateSerialNumber ::= INTEGER
+
+AlgorithmIdentifier ::= SEQUENCE {
+	algorithm		OBJECT IDENTIFIER ({ x509_note_OID }),
+	parameters		ANY OPTIONAL
+}
+
+Name ::= SEQUENCE OF RelativeDistinguishedName
+
+RelativeDistinguishedName ::= SET OF AttributeValueAssertion
+
+AttributeValueAssertion ::= SEQUENCE {
+	attributeType		OBJECT IDENTIFIER ({ x509_note_OID }),
+	attributeValue		ANY ({ x509_extract_name_segment })
+	}
+
+Validity ::= SEQUENCE {
+	notBefore		Time ({ x509_note_not_before }),
+	notAfter		Time ({ x509_note_not_after })
+	}
+
+Time ::= CHOICE {
+	utcTime			UTCTime,
+	generalTime		GeneralizedTime
+	}
+
+SubjectPublicKeyInfo ::= SEQUENCE {
+	algorithm		AlgorithmIdentifier,
+	subjectPublicKey	BIT STRING ({ x509_extract_key_data })
+	}
+
+UniqueIdentifier ::= BIT STRING
+
+Extensions ::= SEQUENCE OF Extension
+
+Extension ::= SEQUENCE {
+	extnid			OBJECT IDENTIFIER ({ x509_note_OID }),
+	critical		BOOLEAN DEFAULT,
+	extnValue		OCTET STRING ({ x509_process_extension })
+	}