text: /*
   * Copyright 2015-2018 The OpenSSL Project Authors. All Rights Reserved.
   *
   * Licensed under the OpenSSL license (the "License").  You may not use
   * this file except in compliance with the License.  You can obtain a copy
   * in the file LICENSE in the source distribution or at
   * https://www.openssl.org/source/license.html
   */
  
  #include <stdio.h>
  #include <stdlib.h>
  #include <string.h>
  #include <openssl/bio.h>
  #include <openssl/crypto.h>
  #include <openssl/err.h>
  #include <openssl/evp.h>
  #include <openssl/rsa.h>
  #include <openssl/x509.h>
  #include "testutil.h"
  #include "internal/nelem.h"
  #include "internal/evp_int.h"
  
  /*
   * kExampleRSAKeyDER is an RSA private key in ASN.1, DER format. Of course, you
   * should never use this key anywhere but in an example.
   */
  static const unsigned char kExampleRSAKeyDER[] = {
      0x30, 0x82, 0x02, 0x5c, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81, 0x00, 0xf8,
      0xb8, 0x6c, 0x83, 0xb4, 0xbc, 0xd9, 0xa8, 0x57, 0xc0, 0xa5, 0xb4, 0x59,
      0x76, 0x8c, 0x54, 0x1d, 0x79, 0xeb, 0x22, 0x52, 0x04, 0x7e, 0xd3, 0x37,
      0xeb, 0x41, 0xfd, 0x83, 0xf9, 0xf0, 0xa6, 0x85, 0x15, 0x34, 0x75, 0x71,
      0x5a, 0x84, 0xa8, 0x3c, 0xd2, 0xef, 0x5a, 0x4e, 0xd3, 0xde, 0x97, 0x8a,
      0xdd, 0xff, 0xbb, 0xcf, 0x0a, 0xaa, 0x86, 0x92, 0xbe, 0xb8, 0x50, 0xe4,
      0xcd, 0x6f, 0x80, 0x33, 0x30, 0x76, 0x13, 0x8f, 0xca, 0x7b, 0xdc, 0xec,
      0x5a, 0xca, 0x63, 0xc7, 0x03, 0x25, 0xef, 0xa8, 0x8a, 0x83, 0x58, 0x76,
      0x20, 0xfa, 0x16, 0x77, 0xd7, 0x79, 0x92, 0x63, 0x01, 0x48, 0x1a, 0xd8,
      0x7b, 0x67, 0xf1, 0x52, 0x55, 0x49, 0x4e, 0xd6, 0x6e, 0x4a, 0x5c, 0xd7,
      0x7a, 0x37, 0x36, 0x0c, 0xde, 0xdd, 0x8f, 0x44, 0xe8, 0xc2, 0xa7, 0x2c,
      0x2b, 0xb5, 0xaf, 0x64, 0x4b, 0x61, 0x07, 0x02, 0x03, 0x01, 0x00, 0x01,
      0x02, 0x81, 0x80, 0x74, 0x88, 0x64, 0x3f, 0x69, 0x45, 0x3a, 0x6d, 0xc7,
      0x7f, 0xb9, 0xa3, 0xc0, 0x6e, 0xec, 0xdc, 0xd4, 0x5a, 0xb5, 0x32, 0x85,
      0x5f, 0x19, 0xd4, 0xf8, 0xd4, 0x3f, 0x3c, 0xfa, 0xc2, 0xf6, 0x5f, 0xee,
      0xe6, 0xba, 0x87, 0x74, 0x2e, 0xc7, 0x0c, 0xd4, 0x42, 0xb8, 0x66, 0x85,
      0x9c, 0x7b, 0x24, 0x61, 0xaa, 0x16, 0x11, 0xf6, 0xb5, 0xb6, 0xa4, 0x0a,
      0xc9, 0x55, 0x2e, 0x81, 0xa5, 0x47, 0x61, 0xcb, 0x25, 0x8f, 0xc2, 0x15,
      0x7b, 0x0e, 0x7c, 0x36, 0x9f, 0x3a, 0xda, 0x58, 0x86, 0x1c, 0x5b, 0x83,
      0x79, 0xe6, 0x2b, 0xcc, 0xe6, 0xfa, 0x2c, 0x61, 0xf2, 0x78, 0x80, 0x1b,
      0xe2, 0xf3, 0x9d, 0x39, 0x2b, 0x65, 0x57, 0x91, 0x3d, 0x71, 0x99, 0x73,
      0xa5, 0xc2, 0x79, 0x20, 0x8c, 0x07, 0x4f, 0xe5, 0xb4, 0x60, 0x1f, 0x99,
      0xa2, 0xb1, 0x4f, 0x0c, 0xef, 0xbc, 0x59, 0x53, 0x00, 0x7d, 0xb1, 0x02,
      0x41, 0x00, 0xfc, 0x7e, 0x23, 0x65, 0x70, 0xf8, 0xce, 0xd3, 0x40, 0x41,
      0x80, 0x6a, 0x1d, 0x01, 0xd6, 0x01, 0xff, 0xb6, 0x1b, 0x3d, 0x3d, 0x59,
      0x09, 0x33, 0x79, 0xc0, 0x4f, 0xde, 0x96, 0x27, 0x4b, 0x18, 0xc6, 0xd9,
      0x78, 0xf1, 0xf4, 0x35, 0x46, 0xe9, 0x7c, 0x42, 0x7a, 0x5d, 0x9f, 0xef,
      0x54, 0xb8, 0xf7, 0x9f, 0xc4, 0x33, 0x6c, 0xf3, 0x8c, 0x32, 0x46, 0x87,
      0x67, 0x30, 0x7b, 0xa7, 0xac, 0xe3, 0x02, 0x41, 0x00, 0xfc, 0x2c, 0xdf,
      0x0c, 0x0d, 0x88, 0xf5, 0xb1, 0x92, 0xa8, 0x93, 0x47, 0x63, 0x55, 0xf5,
      0xca, 0x58, 0x43, 0xba, 0x1c, 0xe5, 0x9e, 0xb6, 0x95, 0x05, 0xcd, 0xb5,
      0x82, 0xdf, 0xeb, 0x04, 0x53, 0x9d, 0xbd, 0xc2, 0x38, 0x16, 0xb3, 0x62,
      0xdd, 0xa1, 0x46, 0xdb, 0x6d, 0x97, 0x93, 0x9f, 0x8a, 0xc3, 0x9b, 0x64,
      0x7e, 0x42, 0xe3, 0x32, 0x57, 0x19, 0x1b, 0xd5, 0x6e, 0x85, 0xfa, 0xb8,
      0x8d, 0x02, 0x41, 0x00, 0xbc, 0x3d, 0xde, 0x6d, 0xd6, 0x97, 0xe8, 0xba,
      0x9e, 0x81, 0x37, 0x17, 0xe5, 0xa0, 0x64, 0xc9, 0x00, 0xb7, 0xe7, 0xfe,
      0xf4, 0x29, 0xd9, 0x2e, 0x43, 0x6b, 0x19, 0x20, 0xbd, 0x99, 0x75, 0xe7,
      0x76, 0xf8, 0xd3, 0xae, 0xaf, 0x7e, 0xb8, 0xeb, 0x81, 0xf4, 0x9d, 0xfe,
      0x07, 0x2b, 0x0b, 0x63, 0x0b, 0x5a, 0x55, 0x90, 0x71, 0x7d, 0xf1, 0xdb,
      0xd9, 0xb1, 0x41, 0x41, 0x68, 0x2f, 0x4e, 0x39, 0x02, 0x40, 0x5a, 0x34,
      0x66, 0xd8, 0xf5, 0xe2, 0x7f, 0x18, 0xb5, 0x00, 0x6e, 0x26, 0x84, 0x27,
      0x14, 0x93, 0xfb, 0xfc, 0xc6, 0x0f, 0x5e, 0x27, 0xe6, 0xe1, 0xe9, 0xc0,
      0x8a, 0xe4, 0x34, 0xda, 0xe9, 0xa2, 0x4b, 0x73, 0xbc, 0x8c, 0xb9, 0xba,
      0x13, 0x6c, 0x7a, 0x2b, 0x51, 0x84, 0xa3, 0x4a, 0xe0, 0x30, 0x10, 0x06,
      0x7e, 0xed, 0x17, 0x5a, 0x14, 0x00, 0xc9, 0xef, 0x85, 0xea, 0x52, 0x2c,
      0xbc, 0x65, 0x02, 0x40, 0x51, 0xe3, 0xf2, 0x83, 0x19, 0x9b, 0xc4, 0x1e,
      0x2f, 0x50, 0x3d, 0xdf, 0x5a, 0xa2, 0x18, 0xca, 0x5f, 0x2e, 0x49, 0xaf,
      0x6f, 0xcc, 0xfa, 0x65, 0x77, 0x94, 0xb5, 0xa1, 0x0a, 0xa9, 0xd1, 0x8a,
      0x39, 0x37, 0xf4, 0x0b, 0xa0, 0xd7, 0x82, 0x27, 0x5e, 0xae, 0x17, 0x17,
      0xa1, 0x1e, 0x54, 0x34, 0xbf, 0x6e, 0xc4, 0x8e, 0x99, 0x5d, 0x08, 0xf1,
      0x2d, 0x86, 0x9d, 0xa5, 0x20, 0x1b, 0xe5, 0xdf,
  };
  
  /*
   * kExampleBadRSAKeyDER is an RSA private key in ASN.1, DER format. The private
   * components are not correct.
   */
  static const unsigned char kExampleBadRSAKeyDER[] = {
      0x30, 0x82, 0x04, 0x27, 0x02, 0x01, 0x00, 0x02, 0x82, 0x01, 0x01, 0x00,
      0xa6, 0x1a, 0x1e, 0x6e, 0x7b, 0xee, 0xc6, 0x89, 0x66, 0xe7, 0x93, 0xef,
      0x54, 0x12, 0x68, 0xea, 0xbf, 0x86, 0x2f, 0xdd, 0xd2, 0x79, 0xb8, 0xa9,
      0x6e, 0x03, 0xc2, 0xa3, 0xb9, 0xa3, 0xe1, 0x4b, 0x2a, 0xb3, 0xf8, 0xb4,
      0xcd, 0xea, 0xbe, 0x24, 0xa6, 0x57, 0x5b, 0x83, 0x1f, 0x0f, 0xf2, 0xd3,
      0xb7, 0xac, 0x7e, 0xd6, 0x8e, 0x6e, 0x1e, 0xbf, 0xb8, 0x73, 0x8c, 0x05,
      0x56, 0xe6, 0x35, 0x1f, 0xe9, 0x04, 0x0b, 0x09, 0x86, 0x7d, 0xf1, 0x26,
      0x08, 0x99, 0xad, 0x7b, 0xc8, 0x4d, 0x94, 0xb0, 0x0b, 0x8b, 0x38, 0xa0,
      0x5c, 0x62, 0xa0, 0xab, 0xd3, 0x8f, 0xd4, 0x09, 0x60, 0x72, 0x1e, 0x33,
      0x50, 0x80, 0x6e, 0x22, 0xa6, 0x77, 0x57, 0x6b, 0x9a, 0x33, 0x21, 0x66,
      0x87, 0x6e, 0x21, 0x7b, 0xc7, 0x24, 0x0e, 0xd8, 0x13, 0xdf, 0x83, 0xde,
      0xcd, 0x40, 0x58, 0x1d, 0x84, 0x86, 0xeb, 0xb8, 0x12, 0x4e, 0xd2, 0xfa,
      0x80, 0x1f, 0xe4, 0xe7, 0x96, 0x29, 0xb8, 0xcc, 0xce, 0x66, 0x6d, 0x53,
      0xca, 0xb9, 0x5a, 0xd7, 0xf6, 0x84, 0x6c, 0x2d, 0x9a, 0x1a, 0x14, 0x1c,
      0x4e, 0x93, 0x39, 0xba, 0x74, 0xed, 0xed, 0x87, 0x87, 0x5e, 0x48, 0x75,
      0x36, 0xf0, 0xbc, 0x34, 0xfb, 0x29, 0xf9, 0x9f, 0x96, 0x5b, 0x0b, 0xa7,
      0x54, 0x30, 0x51, 0x29, 0x18, 0x5b, 0x7d, 0xac, 0x0f, 0xd6, 0x5f, 0x7c,
      0xf8, 0x98, 0x8c, 0xd8, 0x86, 0x62, 0xb3, 0xdc, 0xff, 0x0f, 0xff, 0x7a,
      0xaf, 0x5c, 0x4c, 0x61, 0x49, 0x2e, 0xc8, 0x95, 0x86, 0xc4, 0x0e, 0x87,
      0xfc, 0x1d, 0xcf, 0x8b, 0x7c, 0x61, 0xf6, 0xd8, 0xd0, 0x69, 0xf6, 0xcd,
      0x8a, 0x8c, 0xf6, 0x62, 0xa2, 0x56, 0xa9, 0xe3, 0xd1, 0xcf, 0x4d, 0xa0,
      0xf6, 0x2d, 0x20, 0x0a, 0x04, 0xb7, 0xa2, 0xf7, 0xb5, 0x99, 0x47, 0x18,
      0x56, 0x85, 0x87, 0xc7, 0x02, 0x03, 0x01, 0x00, 0x01, 0x02, 0x82, 0x01,
      0x01, 0x00, 0x99, 0x41, 0x38, 0x1a, 0xd0, 0x96, 0x7a, 0xf0, 0x83, 0xd5,
      0xdf, 0x94, 0xce, 0x89, 0x3d, 0xec, 0x7a, 0x52, 0x21, 0x10, 0x16, 0x06,
      0xe0, 0xee, 0xd2, 0xe6, 0xfd, 0x4b, 0x7b, 0x19, 0x4d, 0xe1, 0xc0, 0xc0,
      0xd5, 0x14, 0x5d, 0x79, 0xdd, 0x7e, 0x8b, 0x4b, 0xc6, 0xcf, 0xb0, 0x75,
      0x52, 0xa3, 0x2d, 0xb1, 0x26, 0x46, 0x68, 0x9c, 0x0a, 0x1a, 0xf2, 0xe1,
      0x09, 0xac, 0x53, 0x85, 0x8c, 0x36, 0xa9, 0x14, 0x65, 0xea, 0xa0, 0x00,
      0xcb, 0xe3, 0x3f, 0xc4, 0x2b, 0x61, 0x2e, 0x6b, 0x06, 0x69, 0x77, 0xfd,
      0x38, 0x7e, 0x1d, 0x3f, 0x92, 0xe7, 0x77, 0x08, 0x19, 0xa7, 0x9d, 0x29,
      0x2d, 0xdc, 0x42, 0xc6, 0x7c, 0xd7, 0xd3, 0xa8, 0x01, 0x2c, 0xf2, 0xd5,
      0x82, 0x57, 0xcb, 0x55, 0x3d, 0xe7, 0xaa, 0xd2, 0x06, 0x30, 0x30, 0x05,
      0xe6, 0xf2, 0x47, 0x86, 0xba, 0xc6, 0x61, 0x64, 0xeb, 0x4f, 0x2a, 0x5e,
      0x07, 0x29, 0xe0, 0x96, 0xb2, 0x43, 0xff, 0x5f, 0x1a, 0x54, 0x16, 0xcf,
      0xb5, 0x56, 0x5c, 0xa0, 0x9b, 0x0c, 0xfd, 0xb3, 0xd2, 0xe3, 0x79, 0x1d,
      0x21, 0xe2, 0xd6, 0x13, 0xc4, 0x74, 0xa6, 0xf5, 0x8e, 0x8e, 0x81, 0xbb,
      0xb4, 0xad, 0x8a, 0xf0, 0x93, 0x0a, 0xd8, 0x0a, 0x42, 0x36, 0xbc, 0xe5,
      0x26, 0x2a, 0x0d, 0x5d, 0x57, 0x13, 0xc5, 0x4e, 0x2f, 0x12, 0x0e, 0xef,
      0xa7, 0x81, 0x1e, 0xc3, 0xa5, 0xdb, 0xc9, 0x24, 0xeb, 0x1a, 0xa1, 0xf9,
      0xf6, 0xa1, 0x78, 0x98, 0x93, 0x77, 0x42, 0x45, 0x03, 0xe2, 0xc9, 0xa2,
      0xfe, 0x2d, 0x77, 0xc8, 0xc6, 0xac, 0x9b, 0x98, 0x89, 0x6d, 0x9a, 0xe7,
      0x61, 0x63, 0xb7, 0xf2, 0xec, 0xd6, 0xb1, 0xa1, 0x6e, 0x0a, 0x1a, 0xff,
      0xfd, 0x43, 0x28, 0xc3, 0x0c, 0xdc, 0xf2, 0x47, 0x4f, 0x27, 0xaa, 0x99,
      0x04, 0x8e, 0xac, 0xe8, 0x7c, 0x01, 0x02, 0x04, 0x12, 0x34, 0x56, 0x78,
      0x02, 0x81, 0x81, 0x00, 0xca, 0x69, 0xe5, 0xbb, 0x3a, 0x90, 0x82, 0xcb,
      0x82, 0x50, 0x2f, 0x29, 0xe2, 0x76, 0x6a, 0x57, 0x55, 0x45, 0x4e, 0x35,
      0x18, 0x61, 0xe0, 0x12, 0x70, 0xc0, 0xab, 0xc7, 0x80, 0xa2, 0xd4, 0x46,
      0x34, 0x03, 0xa0, 0x19, 0x26, 0x23, 0x9e, 0xef, 0x1a, 0xcb, 0x75, 0xd6,
      0xba, 0x81, 0xf4, 0x7e, 0x52, 0xe5, 0x2a, 0xe8, 0xf1, 0x49, 0x6c, 0x0f,
      0x1a, 0xa0, 0xf9, 0xc6, 0xe7, 0xec, 0x60, 0xe4, 0xcb, 0x2a, 0xb5, 0x56,
      0xe9, 0x9c, 0xcd, 0x19, 0x75, 0x92, 0xb1, 0x66, 0xce, 0xc3, 0xd9, 0x3d,
      0x11, 0xcb, 0xc4, 0x09, 0xce, 0x1e, 0x30, 0xba, 0x2f, 0x60, 0x60, 0x55,
      0x8d, 0x02, 0xdc, 0x5d, 0xaf, 0xf7, 0x52, 0x31, 0x17, 0x07, 0x53, 0x20,
      0x33, 0xad, 0x8c, 0xd5, 0x2f, 0x5a, 0xd0, 0x57, 0xd7, 0xd1, 0x80, 0xd6,
      0x3a, 0x9b, 0x04, 0x4f, 0x35, 0xbf, 0xe7, 0xd5, 0xbc, 0x8f, 0xd4, 0x81,
      0x02, 0x81, 0x81, 0x00, 0xc0, 0x9f, 0xf8, 0xcd, 0xf7, 0x3f, 0x26, 0x8a,
      0x3d, 0x4d, 0x2b, 0x0c, 0x01, 0xd0, 0xa2, 0xb4, 0x18, 0xfe, 0xf7, 0x5e,
      0x2f, 0x06, 0x13, 0xcd, 0x63, 0xaa, 0x12, 0xa9, 0x24, 0x86, 0xe3, 0xf3,
      0x7b, 0xda, 0x1a, 0x3c, 0xb1, 0x38, 0x80, 0x80, 0xef, 0x64, 0x64, 0xa1,
      0x9b, 0xfe, 0x76, 0x63, 0x8e, 0x83, 0xd2, 0xd9, 0xb9, 0x86, 0xb0, 0xe6,
      0xa6, 0x0c, 0x7e, 0xa8, 0x84, 0x90, 0x98, 0x0c, 0x1e, 0xf3, 0x14, 0x77,
      0xe0, 0x5f, 0x81, 0x08, 0x11, 0x8f, 0xa6, 0x23, 0xc4, 0xba, 0xc0, 0x8a,
      0xe4, 0xc6, 0xe3, 0x5c, 0xbe, 0xc5, 0xec, 0x2c, 0xb9, 0xd8, 0x8c, 0x4d,
      0x1a, 0x9d, 0xe7, 0x7c, 0x85, 0x4c, 0x0d, 0x71, 0x4e, 0x72, 0x33, 0x1b,
      0xfe, 0xa9, 0x17, 0x72, 0x76, 0x56, 0x9d, 0x74, 0x7e, 0x52, 0x67, 0x9a,
      0x87, 0x9a, 0xdb, 0x30, 0xde, 0xe4, 0x49, 0x28, 0x3b, 0xd2, 0x67, 0xaf,
      0x02, 0x81, 0x81, 0x00, 0x89, 0x74, 0x9a, 0x8e, 0xa7, 0xb9, 0xa5, 0x28,
      0xc0, 0x68, 0xe5, 0x6e, 0x63, 0x1c, 0x99, 0x20, 0x8f, 0x86, 0x8e, 0x12,
      0x9e, 0x69, 0x30, 0xfa, 0x34, 0xd9, 0x92, 0x8d, 0xdb, 0x7c, 0x37, 0xfd,
      0x28, 0xab, 0x61, 0x98, 0x52, 0x7f, 0x14, 0x1a, 0x39, 0xae, 0xfb, 0x6a,
      0x03, 0xa3, 0xe6, 0xbd, 0xb6, 0x5b, 0x6b, 0xe5, 0x5e, 0x9d, 0xc6, 0xa5,
      0x07, 0x27, 0x54, 0x17, 0xd0, 0x3d, 0x84, 0x9b, 0x3a, 0xa0, 0xd9, 0x1e,
      0x99, 0x6c, 0x63, 0x17, 0xab, 0xf1, 0x1f, 0x49, 0xba, 0x95, 0xe3, 0x3b,
      0x86, 0x8f, 0x42, 0xa4, 0x89, 0xf5, 0x94, 0x8f, 0x8b, 0x46, 0xbe, 0x84,
      0xba, 0x4a, 0xbc, 0x0d, 0x5f, 0x46, 0xeb, 0xe8, 0xec, 0x43, 0x8c, 0x1e,
      0xad, 0x19, 0x69, 0x2f, 0x08, 0x86, 0x7a, 0x3f, 0x7d, 0x0f, 0x07, 0x97,
      0xf3, 0x9a, 0x7b, 0xb5, 0xb2, 0xc1, 0x8c, 0x95, 0x68, 0x04, 0xa0, 0x81,
      0x02, 0x81, 0x80, 0x4e, 0xbf, 0x7e, 0x1b, 0xcb, 0x13, 0x61, 0x75, 0x3b,
      0xdb, 0x59, 0x5f, 0xb1, 0xd4, 0xb8, 0xeb, 0x9e, 0x73, 0xb5, 0xe7, 0xf6,
      0x89, 0x3d, 0x1c, 0xda, 0xf0, 0x36, 0xff, 0x35, 0xbd, 0x1e, 0x0b, 0x74,
      0xe3, 0x9e, 0xf0, 0xf2, 0xf7, 0xd7, 0x82, 0xb7, 0x7b, 0x6a, 0x1b, 0x0e,
      0x30, 0x4a, 0x98, 0x0e, 0xb4, 0xf9, 0x81, 0x07, 0xe4, 0x75, 0x39, 0xe9,
      0x53, 0xca, 0xbb, 0x5c, 0xaa, 0x93, 0x07, 0x0e, 0xa8, 0x2f, 0xba, 0x98,
      0x49, 0x30, 0xa7, 0xcc, 0x1a, 0x3c, 0x68, 0x0c, 0xe1, 0xa4, 0xb1, 0x05,
      0xe6, 0xe0, 0x25, 0x78, 0x58, 0x14, 0x37, 0xf5, 0x1f, 0xe3, 0x22, 0xef,
      0xa8, 0x0e, 0x22, 0xa0, 0x94, 0x3a, 0xf6, 0xc9, 0x13, 0xe6, 0x06, 0xbf,
      0x7f, 0x99, 0xc6, 0xcc, 0xd8, 0xc6, 0xbe, 0xd9, 0x2e, 0x24, 0xc7, 0x69,
      0x8c, 0x95, 0xba, 0xf6, 0x04, 0xb3, 0x0a, 0xf4, 0xcb, 0xf0, 0xce,
  };
  
  static const unsigned char kMsg[] = { 1, 2, 3, 4 };
  
  static const unsigned char kSignature[] = {
      0xa5, 0xf0, 0x8a, 0x47, 0x5d, 0x3c, 0xb3, 0xcc, 0xa9, 0x79, 0xaf, 0x4d,
      0x8c, 0xae, 0x4c, 0x14, 0xef, 0xc2, 0x0b, 0x34, 0x36, 0xde, 0xf4, 0x3e,
      0x3d, 0xbb, 0x4a, 0x60, 0x5c, 0xc8, 0x91, 0x28, 0xda, 0xfb, 0x7e, 0x04,
      0x96, 0x7e, 0x63, 0x13, 0x90, 0xce, 0xb9, 0xb4, 0x62, 0x7a, 0xfd, 0x09,
      0x3d, 0xc7, 0x67, 0x78, 0x54, 0x04, 0xeb, 0x52, 0x62, 0x6e, 0x24, 0x67,
      0xb4, 0x40, 0xfc, 0x57, 0x62, 0xc6, 0xf1, 0x67, 0xc1, 0x97, 0x8f, 0x6a,
      0xa8, 0xae, 0x44, 0x46, 0x5e, 0xab, 0x67, 0x17, 0x53, 0x19, 0x3a, 0xda,
      0x5a, 0xc8, 0x16, 0x3e, 0x86, 0xd5, 0xc5, 0x71, 0x2f, 0xfc, 0x23, 0x48,
      0xd9, 0x0b, 0x13, 0xdd, 0x7b, 0x5a, 0x25, 0x79, 0xef, 0xa5, 0x7b, 0x04,
      0xed, 0x44, 0xf6, 0x18, 0x55, 0xe4, 0x0a, 0xe9, 0x57, 0x79, 0x5d, 0xd7,
      0x55, 0xa7, 0xab, 0x45, 0x02, 0x97, 0x60, 0x42,
  };
  
  /*
   * kExampleRSAKeyPKCS8 is kExampleRSAKeyDER encoded in a PKCS #8
   * PrivateKeyInfo.
   */
  static const unsigned char kExampleRSAKeyPKCS8[] = {
      0x30, 0x82, 0x02, 0x76, 0x02, 0x01, 0x00, 0x30, 0x0d, 0x06, 0x09, 0x2a,
      0x86, 0x48, 0x86, 0xf7, 0x0d, 0x01, 0x01, 0x01, 0x05, 0x00, 0x04, 0x82,
      0x02, 0x60, 0x30, 0x82, 0x02, 0x5c, 0x02, 0x01, 0x00, 0x02, 0x81, 0x81,
      0x00, 0xf8, 0xb8, 0x6c, 0x83, 0xb4, 0xbc, 0xd9, 0xa8, 0x57, 0xc0, 0xa5,
      0xb4, 0x59, 0x76, 0x8c, 0x54, 0x1d, 0x79, 0xeb, 0x22, 0x52, 0x04, 0x7e,
      0xd3, 0x37, 0xeb, 0x41, 0xfd, 0x83, 0xf9, 0xf0, 0xa6, 0x85, 0x15, 0x34,
      0x75, 0x71, 0x5a, 0x84, 0xa8, 0x3c, 0xd2, 0xef, 0x5a, 0x4e, 0xd3, 0xde,
      0x97, 0x8a, 0xdd, 0xff, 0xbb, 0xcf, 0x0a, 0xaa, 0x86, 0x92, 0xbe, 0xb8,
      0x50, 0xe4, 0xcd, 0x6f, 0x80, 0x33, 0x30, 0x76, 0x13, 0x8f, 0xca, 0x7b,
      0xdc, 0xec, 0x5a, 0xca, 0x63, 0xc7, 0x03, 0x25, 0xef, 0xa8, 0x8a, 0x83,
      0x58, 0x76, 0x20, 0xfa, 0x16, 0x77, 0xd7, 0x79, 0x92, 0x63, 0x01, 0x48,
      0x1a, 0xd8, 0x7b, 0x67, 0xf1, 0x52, 0x55, 0x49, 0x4e, 0xd6, 0x6e, 0x4a,
      0x5c, 0xd7, 0x7a, 0x37, 0x36, 0x0c, 0xde, 0xdd, 0x8f, 0x44, 0xe8, 0xc2,
      0xa7, 0x2c, 0x2b, 0xb5, 0xaf, 0x64, 0x4b, 0x61, 0x07, 0x02, 0x03, 0x01,
      0x00, 0x01, 0x02, 0x81, 0x80, 0x74, 0x88, 0x64, 0x3f, 0x69, 0x45, 0x3a,
      0x6d, 0xc7, 0x7f, 0xb9, 0xa3, 0xc0, 0x6e, 0xec, 0xdc, 0xd4, 0x5a, 0xb5,
      0x32, 0x85, 0x5f, 0x19, 0xd4, 0xf8, 0xd4, 0x3f, 0x3c, 0xfa, 0xc2, 0xf6,
      0x5f, 0xee, 0xe6, 0xba, 0x87, 0x74, 0x2e, 0xc7, 0x0c, 0xd4, 0x42, 0xb8,
      0x66, 0x85, 0x9c, 0x7b, 0x24, 0x61, 0xaa, 0x16, 0x11, 0xf6, 0xb5, 0xb6,
      0xa4, 0x0a, 0xc9, 0x55, 0x2e, 0x81, 0xa5, 0x47, 0x61, 0xcb, 0x25, 0x8f,
      0xc2, 0x15, 0x7b, 0x0e, 0x7c, 0x36, 0x9f, 0x3a, 0xda, 0x58, 0x86, 0x1c,
      0x5b, 0x83, 0x79, 0xe6, 0x2b, 0xcc, 0xe6, 0xfa, 0x2c, 0x61, 0xf2, 0x78,
      0x80, 0x1b, 0xe2, 0xf3, 0x9d, 0x39, 0x2b, 0x65, 0x57, 0x91, 0x3d, 0x71,
      0x99, 0x73, 0xa5, 0xc2, 0x79, 0x20, 0x8c, 0x07, 0x4f, 0xe5, 0xb4, 0x60,
      0x1f, 0x99, 0xa2, 0xb1, 0x4f, 0x0c, 0xef, 0xbc, 0x59, 0x53, 0x00, 0x7d,
      0xb1, 0x02, 0x41, 0x00, 0xfc, 0x7e, 0x23, 0x65, 0x70, 0xf8, 0xce, 0xd3,
      0x40, 0x41, 0x80, 0x6a, 0x1d, 0x01, 0xd6, 0x01, 0xff, 0xb6, 0x1b, 0x3d,
      0x3d, 0x59, 0x09, 0x33, 0x79, 0xc0, 0x4f, 0xde, 0x96, 0x27, 0x4b, 0x18,
      0xc6, 0xd9, 0x78, 0xf1, 0xf4, 0x35, 0x46, 0xe9, 0x7c, 0x42, 0x7a, 0x5d,
      0x9f, 0xef, 0x54, 0xb8, 0xf7, 0x9f, 0xc4, 0x33, 0x6c, 0xf3, 0x8c, 0x32,
      0x46, 0x87, 0x67, 0x30, 0x7b, 0xa7, 0xac, 0xe3, 0x02, 0x41, 0x00, 0xfc,
      0x2c, 0xdf, 0x0c, 0x0d, 0x88, 0xf5, 0xb1, 0x92, 0xa8, 0x93, 0x47, 0x63,
      0x55, 0xf5, 0xca, 0x58, 0x43, 0xba, 0x1c, 0xe5, 0x9e, 0xb6, 0x95, 0x05,
      0xcd, 0xb5, 0x82, 0xdf, 0xeb, 0x04, 0x53, 0x9d, 0xbd, 0xc2, 0x38, 0x16,
      0xb3, 0x62, 0xdd, 0xa1, 0x46, 0xdb, 0x6d, 0x97, 0x93, 0x9f, 0x8a, 0xc3,
      0x9b, 0x64, 0x7e, 0x42, 0xe3, 0x32, 0x57, 0x19, 0x1b, 0xd5, 0x6e, 0x85,
      0xfa, 0xb8, 0x8d, 0x02, 0x41, 0x00, 0xbc, 0x3d, 0xde, 0x6d, 0xd6, 0x97,
      0xe8, 0xba, 0x9e, 0x81, 0x37, 0x17, 0xe5, 0xa0, 0x64, 0xc9, 0x00, 0xb7,
      0xe7, 0xfe, 0xf4, 0x29, 0xd9, 0x2e, 0x43, 0x6b, 0x19, 0x20, 0xbd, 0x99,
      0x75, 0xe7, 0x76, 0xf8, 0xd3, 0xae, 0xaf, 0x7e, 0xb8, 0xeb, 0x81, 0xf4,
      0x9d, 0xfe, 0x07, 0x2b, 0x0b, 0x63, 0x0b, 0x5a, 0x55, 0x90, 0x71, 0x7d,
      0xf1, 0xdb, 0xd9, 0xb1, 0x41, 0x41, 0x68, 0x2f, 0x4e, 0x39, 0x02, 0x40,
      0x5a, 0x34, 0x66, 0xd8, 0xf5, 0xe2, 0x7f, 0x18, 0xb5, 0x00, 0x6e, 0x26,
      0x84, 0x27, 0x14, 0x93, 0xfb, 0xfc, 0xc6, 0x0f, 0x5e, 0x27, 0xe6, 0xe1,
      0xe9, 0xc0, 0x8a, 0xe4, 0x34, 0xda, 0xe9, 0xa2, 0x4b, 0x73, 0xbc, 0x8c,
      0xb9, 0xba, 0x13, 0x6c, 0x7a, 0x2b, 0x51, 0x84, 0xa3, 0x4a, 0xe0, 0x30,
      0x10, 0x06, 0x7e, 0xed, 0x17, 0x5a, 0x14, 0x00, 0xc9, 0xef, 0x85, 0xea,
      0x52, 0x2c, 0xbc, 0x65, 0x02, 0x40, 0x51, 0xe3, 0xf2, 0x83, 0x19, 0x9b,
      0xc4, 0x1e, 0x2f, 0x50, 0x3d, 0xdf, 0x5a, 0xa2, 0x18, 0xca, 0x5f, 0x2e,
      0x49, 0xaf, 0x6f, 0xcc, 0xfa, 0x65, 0x77, 0x94, 0xb5, 0xa1, 0x0a, 0xa9,
      0xd1, 0x8a, 0x39, 0x37, 0xf4, 0x0b, 0xa0, 0xd7, 0x82, 0x27, 0x5e, 0xae,
      0x17, 0x17, 0xa1, 0x1e, 0x54, 0x34, 0xbf, 0x6e, 0xc4, 0x8e, 0x99, 0x5d,
      0x08, 0xf1, 0x2d, 0x86, 0x9d, 0xa5, 0x20, 0x1b, 0xe5, 0xdf,
  };
  
  #ifndef OPENSSL_NO_EC
  /*
   * kExampleECKeyDER is a sample EC private key encoded as an ECPrivateKey
   * structure.
   */
  static const unsigned char kExampleECKeyDER[] = {
      0x30, 0x77, 0x02, 0x01, 0x01, 0x04, 0x20, 0x07, 0x0f, 0x08, 0x72, 0x7a,
      0xd4, 0xa0, 0x4a, 0x9c, 0xdd, 0x59, 0xc9, 0x4d, 0x89, 0x68, 0x77, 0x08,
      0xb5, 0x6f, 0xc9, 0x5d, 0x30, 0x77, 0x0e, 0xe8, 0xd1, 0xc9, 0xce, 0x0a,
      0x8b, 0xb4, 0x6a, 0xa0, 0x0a, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d,
      0x03, 0x01, 0x07, 0xa1, 0x44, 0x03, 0x42, 0x00, 0x04, 0xe6, 0x2b, 0x69,
      0xe2, 0xbf, 0x65, 0x9f, 0x97, 0xbe, 0x2f, 0x1e, 0x0d, 0x94, 0x8a, 0x4c,
      0xd5, 0x97, 0x6b, 0xb7, 0xa9, 0x1e, 0x0d, 0x46, 0xfb, 0xdd, 0xa9, 0xa9,
      0x1e, 0x9d, 0xdc, 0xba, 0x5a, 0x01, 0xe7, 0xd6, 0x97, 0xa8, 0x0a, 0x18,
      0xf9, 0xc3, 0xc4, 0xa3, 0x1e, 0x56, 0xe2, 0x7c, 0x83, 0x48, 0xdb, 0x16,
      0x1a, 0x1c, 0xf5, 0x1d, 0x7e, 0xf1, 0x94, 0x2d, 0x4b, 0xcf, 0x72, 0x22,
      0xc1,
  };
  
  /*
   * kExampleBadECKeyDER is a sample EC private key encoded as an ECPrivateKey
   * structure. The private key is equal to the order and will fail to import
   */
  static const unsigned char kExampleBadECKeyDER[] = {
      0x30, 0x66, 0x02, 0x01, 0x00, 0x30, 0x13, 0x06, 0x07, 0x2A, 0x86, 0x48,
      0xCE, 0x3D, 0x02, 0x01, 0x06, 0x08, 0x2A, 0x86, 0x48, 0xCE, 0x3D, 0x03,
      0x01, 0x07, 0x04, 0x4C, 0x30, 0x4A, 0x02, 0x01, 0x01, 0x04, 0x20, 0xFF,
      0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
      0xFF, 0xFF, 0xFF, 0xBC, 0xE6, 0xFA, 0xAD, 0xA7, 0x17, 0x9E, 0x84, 0xF3,
      0xB9, 0xCA, 0xC2, 0xFC, 0x63, 0x25, 0x51, 0xA1, 0x23, 0x03, 0x21, 0x00,
      0x00, 0xFF, 0xFF, 0xFF, 0x00, 0x00, 0x00, 0x00, 0xFF, 0xFF, 0xFF, 0xFF,
      0xFF, 0xFF, 0xFF, 0xFF, 0xBC, 0xE6, 0xFA, 0xAD, 0xA7, 0x17, 0x9E, 0x84,
      0xF3, 0xB9, 0xCA, 0xC2, 0xFC, 0x63, 0x25, 0x51
  };
  
  /* prime256v1 */
  static const unsigned char kExampleECPubKeyDER[] = {
      0x30, 0x59, 0x30, 0x13, 0x06, 0x07, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x02,
      0x01, 0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07, 0x03,
      0x42, 0x00, 0x04, 0xba, 0xeb, 0x83, 0xfb, 0x3b, 0xb2, 0xff, 0x30, 0x53,
      0xdb, 0xce, 0x32, 0xf2, 0xac, 0xae, 0x44, 0x0d, 0x3d, 0x13, 0x53, 0xb8,
      0xd1, 0x68, 0x55, 0xde, 0x44, 0x46, 0x05, 0xa6, 0xc9, 0xd2, 0x04, 0xb7,
      0xe3, 0xa2, 0x96, 0xc8, 0xb2, 0x5e, 0x22, 0x03, 0xd7, 0x03, 0x7a, 0x8b,
      0x13, 0x5c, 0x42, 0x49, 0xc2, 0xab, 0x86, 0xd6, 0xac, 0x6b, 0x93, 0x20,
      0x56, 0x6a, 0xc6, 0xc8, 0xa5, 0x0b, 0xe5
  };
  
  static const unsigned char pExampleECParamDER[] = {
      0x06, 0x08, 0x2a, 0x86, 0x48, 0xce, 0x3d, 0x03, 0x01, 0x07
  };
  #endif
  
  typedef struct APK_DATA_st {
      const unsigned char *kder;
      size_t size;
      int evptype;
      int check;
      int pub_check;
      int param_check;
      int type; /* 0 for private, 1 for public, 2 for params */
  } APK_DATA;
  
  static APK_DATA keydata[] = {
      {kExampleRSAKeyDER, sizeof(kExampleRSAKeyDER), EVP_PKEY_RSA},
      {kExampleRSAKeyPKCS8, sizeof(kExampleRSAKeyPKCS8), EVP_PKEY_RSA},
  #ifndef OPENSSL_NO_EC
      {kExampleECKeyDER, sizeof(kExampleECKeyDER), EVP_PKEY_EC}
  #endif
  };
  
  static APK_DATA keycheckdata[] = {
      {kExampleRSAKeyDER, sizeof(kExampleRSAKeyDER), EVP_PKEY_RSA, 1, -2, -2, 0},
      {kExampleBadRSAKeyDER, sizeof(kExampleBadRSAKeyDER), EVP_PKEY_RSA,
       0, -2, -2, 0},
  #ifndef OPENSSL_NO_EC
      {kExampleECKeyDER, sizeof(kExampleECKeyDER), EVP_PKEY_EC, 1, 1, 1, 0},
      /* group is also associated in our pub key */
      {kExampleECPubKeyDER, sizeof(kExampleECPubKeyDER), EVP_PKEY_EC, 0, 1, 1, 1},
      {pExampleECParamDER, sizeof(pExampleECParamDER), EVP_PKEY_EC, 0, 0, 1, 2}
  #endif
  };
  
  static EVP_PKEY *load_example_rsa_key(void)
  {
      EVP_PKEY *ret = NULL;
      const unsigned char *derp = kExampleRSAKeyDER;
      EVP_PKEY *pkey = NULL;
      RSA *rsa = NULL;
  
      if (!TEST_true(d2i_RSAPrivateKey(&rsa, &derp, sizeof(kExampleRSAKeyDER))))
          return NULL;
  
      if (!TEST_ptr(pkey = EVP_PKEY_new())
              || !TEST_true(EVP_PKEY_set1_RSA(pkey, rsa)))
          goto end;
  
      ret = pkey;
      pkey = NULL;
  
  end:
      EVP_PKEY_free(pkey);
      RSA_free(rsa);
  
      return ret;
  }
  
  static int test_EVP_DigestSignInit(void)
  {
      int ret = 0;
      EVP_PKEY *pkey = NULL;
      unsigned char *sig = NULL;
      size_t sig_len = 0;
      EVP_MD_CTX *md_ctx, *md_ctx_verify = NULL;
  
      if (!TEST_ptr(md_ctx = EVP_MD_CTX_new())
              || !TEST_ptr(md_ctx_verify = EVP_MD_CTX_new())
              || !TEST_ptr(pkey = load_example_rsa_key()))
          goto out;
  
      if (!TEST_true(EVP_DigestSignInit(md_ctx, NULL, EVP_sha256(), NULL, pkey))
              || !TEST_true(EVP_DigestSignUpdate(md_ctx, kMsg, sizeof(kMsg))))
          goto out;
  
      /* Determine the size of the signature. */
      if (!TEST_true(EVP_DigestSignFinal(md_ctx, NULL, &sig_len))
              || !TEST_size_t_eq(sig_len, (size_t)EVP_PKEY_size(pkey)))
          goto out;
  
      if (!TEST_ptr(sig = OPENSSL_malloc(sig_len))
              || !TEST_true(EVP_DigestSignFinal(md_ctx, sig, &sig_len)))
          goto out;
  
      /* Ensure that the signature round-trips. */
      if (!TEST_true(EVP_DigestVerifyInit(md_ctx_verify, NULL, EVP_sha256(),
                                          NULL, pkey))
              || !TEST_true(EVP_DigestVerifyUpdate(md_ctx_verify,
                                                   kMsg, sizeof(kMsg)))
              || !TEST_true(EVP_DigestVerifyFinal(md_ctx_verify, sig, sig_len)))
          goto out;
  
      ret = 1;
  
   out:
      EVP_MD_CTX_free(md_ctx);
      EVP_MD_CTX_free(md_ctx_verify);
      EVP_PKEY_free(pkey);
      OPENSSL_free(sig);
  
      return ret;
  }
  
  static int test_EVP_DigestVerifyInit(void)
  {
      int ret = 0;
      EVP_PKEY *pkey = NULL;
      EVP_MD_CTX *md_ctx = NULL;
  
      if (!TEST_ptr(md_ctx = EVP_MD_CTX_new())
              || !TEST_ptr(pkey = load_example_rsa_key()))
          goto out;
  
      if (!TEST_true(EVP_DigestVerifyInit(md_ctx, NULL, EVP_sha256(), NULL, pkey))
              || !TEST_true(EVP_DigestVerifyUpdate(md_ctx, kMsg, sizeof(kMsg)))
              || !TEST_true(EVP_DigestVerifyFinal(md_ctx, kSignature,
                                                   sizeof(kSignature))))
          goto out;
      ret = 1;
  
   out:
      EVP_MD_CTX_free(md_ctx);
      EVP_PKEY_free(pkey);
      return ret;
  }
  
  static int test_d2i_AutoPrivateKey(int i)
  {
      int ret = 0;
      const unsigned char *p;
      EVP_PKEY *pkey = NULL;
      const APK_DATA *ak = &keydata[i];
      const unsigned char *input = ak->kder;
      size_t input_len = ak->size;
      int expected_id = ak->evptype;
  
      p = input;
      if (!TEST_ptr(pkey = d2i_AutoPrivateKey(NULL, &p, input_len))
              || !TEST_ptr_eq(p, input + input_len)
              || !TEST_int_eq(EVP_PKEY_id(pkey), expected_id))
          goto done;
  
      ret = 1;
  
   done:
      EVP_PKEY_free(pkey);
      return ret;
  }
  
  #ifndef OPENSSL_NO_EC
  /* Tests loading a bad key in PKCS8 format */
  static int test_EVP_PKCS82PKEY(void)
  {
      int ret = 0;
      const unsigned char *derp = kExampleBadECKeyDER;
      PKCS8_PRIV_KEY_INFO *p8inf = NULL;
      EVP_PKEY *pkey = NULL;
  
      if (!TEST_ptr(p8inf = d2i_PKCS8_PRIV_KEY_INFO(NULL, &derp,
                                                sizeof(kExampleBadECKeyDER))))
          goto done;
  
      if (!TEST_ptr_eq(derp,
                       kExampleBadECKeyDER + sizeof(kExampleBadECKeyDER)))
          goto done;
  
      if (!TEST_ptr_null(pkey = EVP_PKCS82PKEY(p8inf)))
          goto done;
  
      ret = 1;
  
   done:
      PKCS8_PRIV_KEY_INFO_free(p8inf);
      EVP_PKEY_free(pkey);
  
      return ret;
  }
  #endif
  
  #ifndef OPENSSL_NO_SM2
  
  static int test_EVP_SM2(void)
  {
      int ret = 0;
      EVP_PKEY *pkey = NULL;
      EVP_PKEY *params = NULL;
      EVP_PKEY_CTX *pctx = NULL;
      EVP_PKEY_CTX *kctx = NULL;
      size_t sig_len = 0;
      unsigned char *sig = NULL;
      EVP_MD_CTX *md_ctx = NULL;
      EVP_MD_CTX *md_ctx_verify = NULL;
      EVP_PKEY_CTX *cctx = NULL;
  
      uint8_t ciphertext[128];
      size_t ctext_len = sizeof(ciphertext);
  
      uint8_t plaintext[8];
      size_t ptext_len = sizeof(plaintext);
  
      pctx = EVP_PKEY_CTX_new_id(EVP_PKEY_EC, NULL);
      if (!TEST_ptr(pctx))
          goto done;
  
      if (!TEST_true(EVP_PKEY_paramgen_init(pctx) == 1))
          goto done;
  
      if (!TEST_true(EVP_PKEY_CTX_set_ec_paramgen_curve_nid(pctx, NID_sm2)))
          goto done;
  
      if (!TEST_true(EVP_PKEY_paramgen(pctx, &params)))
          goto done;
  
      kctx = EVP_PKEY_CTX_new(params, NULL);
      if (!TEST_ptr(kctx))
          goto done;
  
      if (!TEST_true(EVP_PKEY_keygen_init(kctx)))
          goto done;
  
      if (!TEST_true(EVP_PKEY_keygen(kctx, &pkey)))
          goto done;
  
      if (!TEST_true(EVP_PKEY_set_alias_type(pkey, EVP_PKEY_SM2)))
          goto done;
  
      if (!TEST_ptr(md_ctx = EVP_MD_CTX_new()))
          goto done;
  
      if (!TEST_ptr(md_ctx_verify = EVP_MD_CTX_new()))
          goto done;
  
      if (!TEST_true(EVP_DigestSignInit(md_ctx, NULL, EVP_sm3(), NULL, pkey)))
          goto done;
  
      if(!TEST_true(EVP_DigestSignUpdate(md_ctx, kMsg, sizeof(kMsg))))
          goto done;
  
      /* Determine the size of the signature. */
      if (!TEST_true(EVP_DigestSignFinal(md_ctx, NULL, &sig_len)))
          goto done;
  
      if (!TEST_size_t_eq(sig_len, (size_t)EVP_PKEY_size(pkey)))
          goto done;
  
      if (!TEST_ptr(sig = OPENSSL_malloc(sig_len)))
          goto done;
  
      if (!TEST_true(EVP_DigestSignFinal(md_ctx, sig, &sig_len)))
          goto done;
  
      /* Ensure that the signature round-trips. */
  
      if (!TEST_true(EVP_DigestVerifyInit(md_ctx_verify, NULL, EVP_sm3(), NULL, pkey)))
          goto done;
  
      if (!TEST_true(EVP_DigestVerifyUpdate(md_ctx_verify, kMsg, sizeof(kMsg))))
          goto done;
  
      if (!TEST_true(EVP_DigestVerifyFinal(md_ctx_verify, sig, sig_len)))
          goto done;
  
      /* now check encryption/decryption */
  
      if (!TEST_ptr(cctx = EVP_PKEY_CTX_new(pkey, NULL)))
          goto done;
  
      if (!TEST_true(EVP_PKEY_encrypt_init(cctx)))
          goto done;
  
      if (!TEST_true(EVP_PKEY_encrypt(cctx, ciphertext, &ctext_len, kMsg, sizeof(kMsg))))
          goto done;
  
      if (!TEST_true(EVP_PKEY_decrypt_init(cctx)))
          goto done;
  
      if (!TEST_true(EVP_PKEY_decrypt(cctx, plaintext, &ptext_len, ciphertext, ctext_len)))
          goto done;
  
      if (!TEST_true(ptext_len == sizeof(kMsg)))
          goto done;
  
      if (!TEST_true(memcmp(plaintext, kMsg, sizeof(kMsg)) == 0))
          goto done;
  
      ret = 1;
  done:
      EVP_PKEY_CTX_free(pctx);
      EVP_PKEY_CTX_free(kctx);
      EVP_PKEY_CTX_free(cctx);
      EVP_PKEY_free(pkey);
      EVP_PKEY_free(params);
      EVP_MD_CTX_free(md_ctx);
      EVP_MD_CTX_free(md_ctx_verify);
      OPENSSL_free(sig);
      return ret;
  }
  
  #endif
  
  static struct keys_st {
      int type;
      char *priv;
      char *pub;
  } keys[] = {
      {
          EVP_PKEY_HMAC, "0123456789", NULL
      }, {
          EVP_PKEY_POLY1305, "01234567890123456789012345678901", NULL
      }, {
          EVP_PKEY_SIPHASH, "0123456789012345", NULL
      },
  #ifndef OPENSSL_NO_EC
      {
          EVP_PKEY_X25519, "01234567890123456789012345678901",
          "abcdefghijklmnopqrstuvwxyzabcdef"
      }, {
          EVP_PKEY_ED25519, "01234567890123456789012345678901",
          "abcdefghijklmnopqrstuvwxyzabcdef"
      }, {
          EVP_PKEY_X448,
          "01234567890123456789012345678901234567890123456789012345",
          "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcd"
      }, {
          EVP_PKEY_ED448,
          "012345678901234567890123456789012345678901234567890123456",
          "abcdefghijklmnopqrstuvwxyzabcdefghijklmnopqrstuvwxyzabcde"
      }
  #endif
  };
  
  static int test_set_get_raw_keys_int(int tst, int pub)
  {
      int ret = 0;
      unsigned char buf[80];
      unsigned char *in;
      size_t inlen, len = 0;
      EVP_PKEY *pkey;
  
      /* Check if this algorithm supports public keys */
      if (keys[tst].pub == NULL)
          return 1;
  
      memset(buf, 0, sizeof(buf));
  
      if (pub) {
          inlen = strlen(keys[tst].pub);
          in = (unsigned char *)keys[tst].pub;
          pkey = EVP_PKEY_new_raw_public_key(keys[tst].type,
                                             NULL,
                                             in,
                                             inlen);
      } else {
          inlen = strlen(keys[tst].priv);
          in = (unsigned char *)keys[tst].priv;
          pkey = EVP_PKEY_new_raw_private_key(keys[tst].type,
                                              NULL,
                                              in,
                                              inlen);
      }
  
      if (!TEST_ptr(pkey)
              || (!pub && !TEST_true(EVP_PKEY_get_raw_private_key(pkey, NULL, &len)))
              || (pub && !TEST_true(EVP_PKEY_get_raw_public_key(pkey, NULL, &len)))
              || !TEST_true(len == inlen)
              || (!pub && !TEST_true(EVP_PKEY_get_raw_private_key(pkey, buf, &len)))
              || (pub && !TEST_true(EVP_PKEY_get_raw_public_key(pkey, buf, &len)))
              || !TEST_mem_eq(in, inlen, buf, len))
          goto done;
  
      ret = 1;
   done:
      EVP_PKEY_free(pkey);
      return ret;
  }
  
  static int test_set_get_raw_keys(int tst)
  {
      return test_set_get_raw_keys_int(tst, 0)
             && test_set_get_raw_keys_int(tst, 1);
  }
  
  static int pkey_custom_check(EVP_PKEY *pkey)
  {
      return 0xbeef;
  }
  
  static int pkey_custom_pub_check(EVP_PKEY *pkey)
  {
      return 0xbeef;
  }
  
  static int pkey_custom_param_check(EVP_PKEY *pkey)
  {
      return 0xbeef;
  }
  
  static EVP_PKEY_METHOD *custom_pmeth;
  
  static int test_EVP_PKEY_check(int i)
  {
      int ret = 0;
      const unsigned char *p;
      EVP_PKEY *pkey = NULL;
  #ifndef OPENSSL_NO_EC
      EC_KEY *eckey = NULL;
  #endif
      EVP_PKEY_CTX *ctx = NULL;
      EVP_PKEY_CTX *ctx2 = NULL;
      const APK_DATA *ak = &keycheckdata[i];
      const unsigned char *input = ak->kder;
      size_t input_len = ak->size;
      int expected_id = ak->evptype;
      int expected_check = ak->check;
      int expected_pub_check = ak->pub_check;
      int expected_param_check = ak->param_check;
      int type = ak->type;
      BIO *pubkey = NULL;
  
      p = input;
  
      if (type == 0 &&
              (!TEST_ptr(pkey = d2i_AutoPrivateKey(NULL, &p, input_len))
               || !TEST_ptr_eq(p, input + input_len)
               || !TEST_int_eq(EVP_PKEY_id(pkey), expected_id)))
          goto done;
  
  #ifndef OPENSSL_NO_EC
      if (type == 1 &&
              (!TEST_ptr(pubkey = BIO_new_mem_buf(input, input_len))
               || !TEST_ptr(eckey = d2i_EC_PUBKEY_bio(pubkey, NULL))
               || !TEST_ptr(pkey = EVP_PKEY_new())
               || !TEST_true(EVP_PKEY_assign_EC_KEY(pkey, eckey))))
          goto done;
  
      if (type == 2 &&
              (!TEST_ptr(eckey = d2i_ECParameters(NULL, &p, input_len))
               || !TEST_ptr_eq(p, input + input_len)
               || !TEST_ptr(pkey = EVP_PKEY_new())
               || !TEST_true(EVP_PKEY_assign_EC_KEY(pkey, eckey))))
          goto done;
  #endif
  
      if (!TEST_ptr(ctx = EVP_PKEY_CTX_new(pkey, NULL)))
          goto done;
  
      if (!TEST_int_eq(EVP_PKEY_check(ctx), expected_check))
          goto done;
  
      if (!TEST_int_eq(EVP_PKEY_public_check(ctx), expected_pub_check))
          goto done;
  
      if (!TEST_int_eq(EVP_PKEY_param_check(ctx), expected_param_check))
          goto done;
  
      ctx2 = EVP_PKEY_CTX_new_id(0xdefaced, NULL);
      /* assign the pkey directly, as an internal test */
      EVP_PKEY_up_ref(pkey);
      ctx2->pkey = pkey;
  
      if (!TEST_int_eq(EVP_PKEY_check(ctx2), 0xbeef))
          goto done;
  
      if (!TEST_int_eq(EVP_PKEY_public_check(ctx2), 0xbeef))
          goto done;
  
      if (!TEST_int_eq(EVP_PKEY_param_check(ctx2), 0xbeef))
          goto done;
  
      ret = 1;
  
   done:
      EVP_PKEY_CTX_free(ctx);
      EVP_PKEY_CTX_free(ctx2);
      EVP_PKEY_free(pkey);
      BIO_free(pubkey);
      return ret;
  }
  
  int setup_tests(void)
  {
      ADD_TEST(test_EVP_DigestSignInit);
      ADD_TEST(test_EVP_DigestVerifyInit);
      ADD_ALL_TESTS(test_d2i_AutoPrivateKey, OSSL_NELEM(keydata));
  #ifndef OPENSSL_NO_EC
      ADD_TEST(test_EVP_PKCS82PKEY);
  #endif
  #ifndef OPENSSL_NO_SM2
      ADD_TEST(test_EVP_SM2);
  #endif
      ADD_ALL_TESTS(test_set_get_raw_keys, OSSL_NELEM(keys));
      custom_pmeth = EVP_PKEY_meth_new(0xdefaced, 0);
      if (!TEST_ptr(custom_pmeth))
          return 0;
      EVP_PKEY_meth_set_check(custom_pmeth, pkey_custom_check);
      EVP_PKEY_meth_set_public_check(custom_pmeth, pkey_custom_pub_check);
      EVP_PKEY_meth_set_param_check(custom_pmeth, pkey_custom_param_check);
      if (!TEST_int_eq(EVP_PKEY_meth_add0(custom_pmeth), 1))
          return 0;
      ADD_ALL_TESTS(test_EVP_PKEY_check, OSSL_NELEM(keycheckdata));
      return 1;
  }
  