user: What would the C source look like for the assembly code provided here:

```asm
<genkey>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  lea    D26(%rip),%r13
  push   %r12
  mov    %rdx,%r12
  push   %rbp
  mov    %edi,%ebp
  mov    %rsi,%rdi
  mov    %r13,%rsi
  push   %rbx
  sub    $0x428,%rsp
  mov    %fs:0x28,%rax
  mov    %rax,0x418(%rsp)
  xor    %eax,%eax
  call   <fopen@plt>
  mov    %rax,%r14
  test   %rax,%rax
  je     L114
L64:
  mov    %r13,%rsi
  mov    %r12,%rdi
  call   <fopen@plt>
  mov    %rax,0x8(%rsp)
  test   %rax,%rax
  je     L101
L72:
  lea    D32(%rip),%rdi
  call   <puts@plt>
  xor    %eax,%eax
  call   <RSA_new@plt>
  mov    %rax,%r12
  test   %rax,%rax
  je     L116
L19:
  xor    %eax,%eax
  call   <BN_new@plt>
  mov    $0x11,%esi
  mov    %rax,%r15
  mov    %rax,%rdi
  call   <BN_set_word@plt>
  xor    %ecx,%ecx
  mov    %r15,%rdx
  mov    %ebp,%esi
  mov    %r12,%rdi
  call   <RSA_generate_key_ex@plt>
  test   %rax,%rax
  je     L6
L134:
  lea    D93(%rip),%rdi
  lea    0x10(%rsp),%rbx
  call   <puts@plt>
  xor    %eax,%eax
  lea    D91(%rip),%r13
  call   <BIO_s_mem@plt>
  mov    %eax,%edi
  call   <BIO_new@plt>
  mov    $0x4,%edx
  mov    %r12,%rsi
  mov    %rax,%rdi
  mov    %rax,%rbp
  call   <RSA_print@plt>
  mov    $0x400,%edx
  xor    %esi,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
  jmp    L136
  nopl   0x0(%rax)
L40:
  mov    %rbx,%rsi
  mov    %r13,%rdi
  xor    %eax,%eax
  call   <printf@plt>
  mov    $0x400,%edx
  xor    %esi,%esi
  mov    %rbx,%rdi
  call   <memset@plt>
L136:
  mov    $0x400,%edx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <BIO_read@plt>
  test   %rax,%rax
  jg     L40
  lea    D42(%rip),%rdi
  call   <puts@plt>
  mov    0x8(%rsp),%rdi
  mov    %r12,%rsi
  call   <PEM_write_RSA_PUBKEY@plt>
  test   %eax,%eax
  je     L77
L128:
  xor    %eax,%eax
  call   <EVP_aes_128_cbc@plt>
  sub    $0x8,%rsp
  xor    %r9d,%r9d
  xor    %r8d,%r8d
  push   $0x0
  mov    %eax,%edx
  xor    %ecx,%ecx
  mov    %r12,%rsi
  mov    %r14,%rdi
  call   <PEM_write_RSAPrivateKey@plt>
  mov    %eax,%r13d
  pop    %rax
  pop    %rdx
  test   %r13d,%r13d
  je     L82
L31:
  mov    %r12,%rdi
  call   <RSA_free@plt>
  mov    %r15,%rdi
  call   <BN_free@plt>
  mov    %r14,%rdi
  call   <fclose@plt>
  mov    0x8(%rsp),%rdi
  call   <fclose@plt>
  mov    0x418(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L87
  add    $0x428,%rsp
  mov    %r13d,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
  nopl   0x0(%rax)
L6:
  lea    D4(%rip),%rdi
  call   <puts@plt>
  mov    %r12,%rdi
  call   <RSA_free@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L134
  nopl   0x0(%rax,%rax,1)
L82:
  lea    D62(%rip),%rdi
  call   <puts@plt>
  jmp    L31
  nopl   0x0(%rax)
L77:
  lea    D108(%rip),%rdi
  call   <puts@plt>
  jmp    L128
  nopl   0x0(%rax)
L116:
  lea    D67(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L19
  nopl   0x0(%rax,%rax,1)
L114:
  lea    D41(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L64
  nopl   0x0(%rax,%rax,1)
L101:
  lea    D41(%rip),%rdi
  call   <puts@plt>
  mov    $0x1,%edi
  call   <exit@plt>
  jmp    L72
L87:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: parse_data
arguments: tag: D26
type_guessed: string
name: parse_data
arguments: tag: D32
type_guessed: string
name: parse_data
arguments: tag: D93
type_guessed: string
name: parse_data
arguments: tag: D91
type_guessed: string
name: parse_data
arguments: tag: D42
type_guessed: string
name: parse_data
arguments: tag: D4
type_guessed: string
name: parse_data
arguments: tag: D62
type_guessed: string
name: parse_data
arguments: tag: D108
type_guessed: string
name: parse_data
arguments: tag: D67
type_guessed: string
name: parse_data
arguments: tag: D41
type_guessed: string

tool: D26: wb

tool: D32: Starting generating RSA key pair...

tool: D93: Key pair generated successfully!

tool: D91: %s

tool: D42: Writing keys to files...

tool: D4: Error during generation of RSA key pair!

tool: D62: Error occured when trying to store private key!

tool: D108: Error occured when trying to store public key!

tool: D67: Error during generation of RSA structure!

tool: D41: Open file error occurred

assistant: ```c
int genkey(int keyLength, const char *privKey, const char *pubKey) {
  int result = 0;
  unsigned char buffer[1024];
  RSA *rsa = NULL;
  BIO *bio = NULL;
  BIGNUM *bigNum = NULL;
  FILE *privKeyFile;
  FILE *pubKeyFile;
  if ((privKeyFile = fopen(privKey, "wb")) == NULL) {
    printf("Open file error occurred\n");
    exit(1);
  }
  if ((pubKeyFile = fopen(pubKey, "wb")) == NULL) {
    printf("Open file error occurred\n");
    exit(1);
  }
  printf("Starting generating RSA key pair...\n");
  rsa = RSA_new();
  if (rsa == NULL) {
    printf("Error during generation of RSA structure!\n");
    exit(1);
  }
  bigNum = BN_new();
  BN_set_word(bigNum, 17);
  if (RSA_generate_key_ex(rsa, keyLength, bigNum, NULL) == 0) {
    printf("Error during generation of RSA key pair!\n");
    RSA_free(rsa);
    exit(1);
  }
  printf("Key pair generated successfully!\n");
  bio = BIO_new(BIO_s_mem());
  RSA_print(bio, rsa, 4);
  memset(buffer, 0, 1024);
  while (BIO_read(bio, buffer, 1024) > 0) {
    printf("%s", buffer);
    memset(buffer, 0, 1024);
  }
  printf("Writing keys to files...\n");
  result = PEM_write_RSA_PUBKEY(pubKeyFile, rsa);
  if (result == 0) {
    printf("Error occured when trying to store public key!\n");
  }
  result = PEM_write_RSAPrivateKey(privKeyFile, rsa, EVP_aes_128_cbc(), NULL, 0, 0, NULL);
  if (result == 0) {
    printf("Error occured when trying to store private key!\n");
  }
  RSA_free(rsa);
  BN_free(bigNum);
  fclose(privKeyFile);
  fclose(pubKeyFile);
  return result;
}
```