const crypto.MD5SHA1

4 uses

	crypto (current package)
		crypto.go#L39: 	case MD5SHA1:
		crypto.go#L76: 	MD5SHA1                     // no implementation; MD5+SHA1 used for TLS RSA
		crypto.go#L105: 	MD5SHA1:     36,

	crypto/tls
		auth.go#L135: 		return signaturePKCS1v15, crypto.MD5SHA1, nil