diff --git a/bio.go b/bio.go
index 1d880e8..b2164a4 100644
--- a/bio.go
+++ b/bio.go
@@ -1,4 +1,5 @@
 // Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
 
 package openssl
 
diff --git a/build.go b/build.go
index c183c79..69712e6 100644
--- a/build.go
+++ b/build.go
@@ -1,3 +1,6 @@
+// Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
+
 package openssl
 
 // #cgo pkg-config: openssl
diff --git a/conn.go b/conn.go
index fe1f644..6f19c20 100644
--- a/conn.go
+++ b/conn.go
@@ -1,4 +1,5 @@
 // Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
 
 package openssl
 
diff --git a/ctx.go b/ctx.go
index 8bba7a3..4528627 100644
--- a/ctx.go
+++ b/ctx.go
@@ -1,4 +1,5 @@
 // Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
 
 package openssl
 
diff --git a/hostname.go b/hostname.go
index 235d874..14d1820 100644
--- a/hostname.go
+++ b/hostname.go
@@ -1,4 +1,5 @@
 // Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
 
 package openssl
 
diff --git a/init.go b/init.go
index 308ebbe..2f38652 100644
--- a/init.go
+++ b/init.go
@@ -1,4 +1,5 @@
 // Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
 
 // Package openssl is a light wrapper around OpenSSL for Go.
 // It strives to provide a near-drop-in replacement for the Go standard library
diff --git a/oracle_stubs.go b/oracle_stubs.go
new file mode 100644
index 0000000..126cc49
--- /dev/null
+++ b/oracle_stubs.go
@@ -0,0 +1,149 @@
+// Copyright (C) 2014 Space Monkey, Inc.
+// +build !cgo
+
+package openssl
+
+import (
+    "errors"
+    "net"
+    "time"
+)
+
+const (
+    SSLRecordSize = 16 * 1024
+)
+
+type Conn struct{}
+
+func Client(conn net.Conn, ctx *Ctx) (*Conn, error)
+func Server(conn net.Conn, ctx *Ctx) (*Conn, error)
+
+func (c *Conn) Handshake() error
+func (c *Conn) PeerCertificate() (*Certificate, error)
+func (c *Conn) Close() error
+func (c *Conn) Read(b []byte) (n int, err error)
+func (c *Conn) Write(b []byte) (written int, err error)
+
+func (c *Conn) VerifyHostname(host string) error
+
+func (c *Conn) LocalAddr() net.Addr
+func (c *Conn) RemoteAddr() net.Addr
+func (c *Conn) SetDeadline(t time.Time) error
+func (c *Conn) SetReadDeadline(t time.Time) error
+func (c *Conn) SetWriteDeadline(t time.Time) error
+
+type Ctx struct{}
+
+type SSLVersion int
+
+const (
+    SSLv3      SSLVersion = 0x02
+    TLSv1      SSLVersion = 0x03
+    TLSv1_1    SSLVersion = 0x04
+    TLSv1_2    SSLVersion = 0x05
+    AnyVersion SSLVersion = 0x06
+)
+
+func NewCtxWithVersion(version SSLVersion) (*Ctx, error)
+func NewCtx() (*Ctx, error)
+func NewCtxFromFiles(cert_file string, key_file string) (*Ctx, error)
+func (c *Ctx) UseCertificate(cert *Certificate) error
+func (c *Ctx) UsePrivateKey(key PrivateKey) error
+
+type CertificateStore struct{}
+
+func (c *Ctx) GetCertificateStore() *CertificateStore
+
+func (s *CertificateStore) AddCertificate(cert *Certificate) error
+
+func (c *Ctx) LoadVerifyLocations(ca_file string, ca_path string) error
+
+type Options int
+
+const (
+    NoCompression                      Options = 0
+    NoSSLv2                            Options = 0
+    NoSSLv3                            Options = 0
+    NoTLSv1                            Options = 0
+    CipherServerPreference             Options = 0
+    NoSessionResumptionOrRenegotiation Options = 0
+    NoTicket                           Options = 0
+)
+
+func (c *Ctx) SetOptions(options Options) Options
+
+type Modes int
+
+const (
+    ReleaseBuffers Modes = 0
+)
+
+func (c *Ctx) SetMode(modes Modes) Modes
+
+type VerifyOptions int
+
+const (
+    VerifyNone             VerifyOptions = 0
+    VerifyPeer             VerifyOptions = 0
+    VerifyFailIfNoPeerCert VerifyOptions = 0
+    VerifyClientOnce       VerifyOptions = 0
+)
+
+func (c *Ctx) SetVerify(options VerifyOptions)
+func (c *Ctx) SetVerifyDepth(depth int)
+func (c *Ctx) SetSessionId(session_id []byte) error
+
+func (c *Ctx) SetCipherList(list string) error
+
+type SessionCacheModes int
+
+const (
+    SessionCacheOff    SessionCacheModes = 0
+    SessionCacheClient SessionCacheModes = 0
+    SessionCacheServer SessionCacheModes = 0
+    SessionCacheBoth   SessionCacheModes = 0
+    NoAutoClear        SessionCacheModes = 0
+    NoInternalLookup   SessionCacheModes = 0
+    NoInternalStore    SessionCacheModes = 0
+    NoInternal         SessionCacheModes = 0
+)
+
+func (c *Ctx) SetSessionCacheMode(modes SessionCacheModes) SessionCacheModes
+
+var (
+    ValidationError = errors.New("Host validation error")
+)
+
+type CheckFlags int
+
+const (
+    AlwaysCheckSubject CheckFlags = 0
+    NoWildcards        CheckFlags = 0
+)
+
+func (c *Certificate) CheckHost(host string, flags CheckFlags) error
+func (c *Certificate) CheckEmail(email string, flags CheckFlags) error
+func (c *Certificate) CheckIP(ip net.IP, flags CheckFlags) error
+func (c *Certificate) VerifyHostname(host string) error
+
+type PublicKey interface {
+    MarshalPKIXPublicKeyPEM() (pem_block []byte, err error)
+    MarshalPKIXPublicKeyDER() (der_block []byte, err error)
+    evpPKey() struct{}
+}
+
+type PrivateKey interface {
+    PublicKey
+    MarshalPKCS1PrivateKeyPEM() (pem_block []byte, err error)
+    MarshalPKCS1PrivateKeyDER() (der_block []byte, err error)
+}
+
+func LoadPrivateKey(pem_block []byte) (PrivateKey, error)
+
+type Certificate struct{}
+
+func LoadCertificate(pem_block []byte) (*Certificate, error)
+
+func (c *Certificate) MarshalPEM() (pem_block []byte, err error)
+
+func (c *Certificate) PublicKey() (PublicKey, error)
diff --git a/pem.go b/pem.go
index 893d7ea..5db8644 100644
--- a/pem.go
+++ b/pem.go
@@ -1,4 +1,5 @@
 // Copyright (C) 2014 Space Monkey, Inc.
+// +build cgo
 
 package openssl