Source release 17.1.2

oemcrypto/util/include/oemcrypto_rsa_key.h

@@ -268,6 +268,13 @@ class RsaPrivateKey {
   // Returns an empty vector on error.
   std::vector<uint8_t> Serialize() const;
 
+  // Serializes the key's private exponent in network-byte-order
+  // using I2OSP primitive as defined by RFC3447 Section 4.1.  The
+  // exact length of the exponent will depend on the exponents value,
+  // not the modulus size.
+  // Returns an empty vector on error.
+  std::vector<uint8_t> GetPrivateExponent() const;
+
   // Signs the provided |message| using the RSA signing algorithm
   // specified by |algorithm|.  See RsaSignatureAlgorithm for
   // details on each algorithm.