Add debug prints to Sign()

tuand27613 · tuand27613 · commit 49aa89f1ee06 · 2017-01-24T12:02:28.000-05:00
Print out original plaintext and digest when in
debug mode.
Helps SDK developers when debugging signature
issues as they can compare values on either side
of gRPC

Change-Id: I6286f0bf20a6ab71e72e8ddedcf167c661b41dcb
Signed-off-by: tuand27613 &lt;tdang@us.ibm.com&gt;
diff --git a/msp/identities.go b/msp/identities.go
@@ -157,6 +157,9 @@ func (id *signingidentity) Sign(msg []byte) ([]byte, error) {
 		return nil, fmt.Errorf("Failed computing digest [%s]", err)
 	}
 
+	mspLogger.Debugf("Sign: plaintext: %X \n", msg)
+	mspLogger.Debugf("Sign: digest: %X \n", digest)
+
 	// Sign
 	return id.signer.Sign(rand.Reader, digest, nil)
 }

Original file line number	Diff line number	Diff line change
`@@ -157,6 +157,9 @@ func (id *signingidentity) Sign(msg []byte) ([]byte, error) {`
`157`	`157`	`return nil, fmt.Errorf("Failed computing digest [%s]", err)`
`158`	`158`	`}`
`159`	`159`
	`160`	`+ mspLogger.Debugf("Sign: plaintext: %X \n", msg)`
	`161`	`+ mspLogger.Debugf("Sign: digest: %X \n", digest)`
	`162`	`+`
`160`	`163`	`// Sign`
`161`	`164`	`return id.signer.Sign(rand.Reader, digest, nil)`
`162`	`165`	`}`