Dependencies for the affinity router and the
affinity routing daemon.
Change-Id: Icda72c3594ef7f8f0bc0c33dc03087a4c25529ca
diff --git a/vendor/github.com/dgrijalva/jwt-go/rsa.go b/vendor/github.com/dgrijalva/jwt-go/rsa.go
new file mode 100644
index 0000000..e4caf1c
--- /dev/null
+++ b/vendor/github.com/dgrijalva/jwt-go/rsa.go
@@ -0,0 +1,101 @@
+package jwt
+
+import (
+ "crypto"
+ "crypto/rand"
+ "crypto/rsa"
+)
+
+// Implements the RSA family of signing methods signing methods
+// Expects *rsa.PrivateKey for signing and *rsa.PublicKey for validation
+type SigningMethodRSA struct {
+ Name string
+ Hash crypto.Hash
+}
+
+// Specific instances for RS256 and company
+var (
+ SigningMethodRS256 *SigningMethodRSA
+ SigningMethodRS384 *SigningMethodRSA
+ SigningMethodRS512 *SigningMethodRSA
+)
+
+func init() {
+ // RS256
+ SigningMethodRS256 = &SigningMethodRSA{"RS256", crypto.SHA256}
+ RegisterSigningMethod(SigningMethodRS256.Alg(), func() SigningMethod {
+ return SigningMethodRS256
+ })
+
+ // RS384
+ SigningMethodRS384 = &SigningMethodRSA{"RS384", crypto.SHA384}
+ RegisterSigningMethod(SigningMethodRS384.Alg(), func() SigningMethod {
+ return SigningMethodRS384
+ })
+
+ // RS512
+ SigningMethodRS512 = &SigningMethodRSA{"RS512", crypto.SHA512}
+ RegisterSigningMethod(SigningMethodRS512.Alg(), func() SigningMethod {
+ return SigningMethodRS512
+ })
+}
+
+func (m *SigningMethodRSA) Alg() string {
+ return m.Name
+}
+
+// Implements the Verify method from SigningMethod
+// For this signing method, must be an *rsa.PublicKey structure.
+func (m *SigningMethodRSA) Verify(signingString, signature string, key interface{}) error {
+ var err error
+
+ // Decode the signature
+ var sig []byte
+ if sig, err = DecodeSegment(signature); err != nil {
+ return err
+ }
+
+ var rsaKey *rsa.PublicKey
+ var ok bool
+
+ if rsaKey, ok = key.(*rsa.PublicKey); !ok {
+ return ErrInvalidKeyType
+ }
+
+ // Create hasher
+ if !m.Hash.Available() {
+ return ErrHashUnavailable
+ }
+ hasher := m.Hash.New()
+ hasher.Write([]byte(signingString))
+
+ // Verify the signature
+ return rsa.VerifyPKCS1v15(rsaKey, m.Hash, hasher.Sum(nil), sig)
+}
+
+// Implements the Sign method from SigningMethod
+// For this signing method, must be an *rsa.PrivateKey structure.
+func (m *SigningMethodRSA) Sign(signingString string, key interface{}) (string, error) {
+ var rsaKey *rsa.PrivateKey
+ var ok bool
+
+ // Validate type of key
+ if rsaKey, ok = key.(*rsa.PrivateKey); !ok {
+ return "", ErrInvalidKey
+ }
+
+ // Create the hasher
+ if !m.Hash.Available() {
+ return "", ErrHashUnavailable
+ }
+
+ hasher := m.Hash.New()
+ hasher.Write([]byte(signingString))
+
+ // Sign the string and return the encoded bytes
+ if sigBytes, err := rsa.SignPKCS1v15(rand.Reader, rsaKey, m.Hash, hasher.Sum(nil)); err == nil {
+ return EncodeSegment(sigBytes), nil
+ } else {
+ return "", err
+ }
+}