user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<PKCS12_PBE_keyivgen>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x98,%rsp
  mov    %rdi,-0x88(%rbp)
  mov    %rsi,-0x90(%rbp)
  mov    %edx,-0x94(%rbp)
  mov    %rcx,-0xa0(%rbp)
  mov    %r8,-0xa8(%rbp)
  mov    %r9,-0xb0(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    %rsp,%rax
  mov    %rax,%rbx
  mov    D2(%rip),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x68(%rbp)
  movslq %eax,%rdx
  mov    %rdx,-0xc0(%rbp)
  movq   $0x0,-0xb8(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r14
  mov    $0x0,%r15d
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L172:
  cmp    %rdx,%rsp
  je     L95
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L172
L95:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L24
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L24:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x60(%rbp)
  mov    D92(%rip),%rax
  mov    (%rax),%eax
  movslq %eax,%rdx
  sub    $0x1,%rdx
  mov    %rdx,-0x58(%rbp)
  movslq %eax,%rdx
  mov    %rdx,%r12
  mov    $0x0,%r13d
  movslq %eax,%rdx
  mov    %rdx,%r10
  mov    $0x0,%r11d
  cltq
  mov    $0x10,%edx
  sub    $0x1,%rdx
  add    %rdx,%rax
  mov    $0x10,%esi
  mov    $0x0,%edx
  div    %rsi
  imul   $0x10,%rax,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffff000,%rcx
  mov    %rsp,%rdx
  sub    %rcx,%rdx
L142:
  cmp    %rdx,%rsp
  je     L105
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L142
L105:
  mov    %rax,%rdx
  and    $0xfff,%edx
  sub    %rdx,%rsp
  mov    %rax,%rdx
  and    $0xfff,%edx
  test   %rdx,%rdx
  je     L23
  and    $0xfff,%eax
  sub    $0x8,%rax
  add    %rsp,%rax
  orq    $0x0,(%rax)
L23:
  mov    %rsp,%rax
  add    $0x0,%rax
  mov    %rax,-0x50(%rbp)
  cmpq   $0x0,-0xa0(%rbp)
  je     L173
  mov    -0xa0(%rbp),%rax
  mov    (%rax),%rdx
  mov    D103(%rip),%rax
  mov    (%rax),%rax
  cmp    %rax,%rdx
  jne    L173
  mov    -0xa0(%rbp),%rax
  mov    0x8(%rax),%rax
  test   %rax,%rax
  jne    L32
L173:
  mov    D112(%rip),%rax
  mov    (%rax),%edx
  mov    D142(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <PKCS12err@plt>
  mov    $0x0,%eax
  jmp    L159
L32:
  mov    -0xa0(%rbp),%rax
  mov    0x8(%rax),%rax
  mov    (%rax),%rax
  mov    %rax,-0x70(%rbp)
  mov    -0xa0(%rbp),%rax
  mov    0x8(%rax),%rax
  mov    0x8(%rax),%edx
  lea    -0x70(%rbp),%rax
  mov    %rax,%rsi
  mov    $0x0,%edi
  call   <d2i_PBEPARAM@plt>
  mov    %rax,-0x48(%rbp)
  cmpq   $0x0,-0x48(%rbp)
  jne    L12
  mov    D112(%rip),%rax
  mov    (%rax),%edx
  mov    D142(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <PKCS12err@plt>
  mov    $0x0,%eax
  jmp    L159
L12:
  mov    -0x48(%rbp),%rax
  mov    0x8(%rax),%eax
  test   %eax,%eax
  jne    L10
  movl   $0x1,-0x7c(%rbp)
  jmp    L181
L10:
  mov    -0x48(%rbp),%rax
  mov    0x8(%rax),%eax
  mov    %eax,%edi
  call   <ASN1_INTEGER_get@plt>
  mov    %eax,-0x7c(%rbp)
L181:
  mov    -0x48(%rbp),%rax
  mov    (%rax),%rax
  mov    (%rax),%rax
  mov    %rax,-0x40(%rbp)
  mov    -0x48(%rbp),%rax
  mov    (%rax),%rax
  mov    0x8(%rax),%eax
  mov    %eax,-0x78(%rbp)
  mov    -0xa8(%rbp),%rax
  mov    %rax,%rdi
  call   <EVP_CIPHER_key_length@plt>
  mov    %eax,%edi
  mov    D62(%rip),%rax
  mov    (%rax),%r8d
  mov    -0x7c(%rbp),%r9d
  mov    -0x78(%rbp),%ecx
  mov    -0x40(%rbp),%rdx
  mov    -0x94(%rbp),%esi
  mov    -0x90(%rbp),%rax
  sub    $0x8,%rsp
  push   -0xb0(%rbp)
  push   -0x60(%rbp)
  push   %rdi
  mov    %rax,%rdi
  call   <PKCS12_key_gen@plt>
  add    $0x20,%rsp
  test   %eax,%eax
  jne    L14
  mov    D88(%rip),%rax
  mov    (%rax),%edx
  mov    D142(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <PKCS12err@plt>
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <PBEPARAM_free@plt>
  mov    $0x0,%eax
  jmp    L159
L14:
  mov    -0xa8(%rbp),%rax
  mov    %rax,%rdi
  call   <EVP_CIPHER_iv_length@plt>
  mov    %eax,%edi
  mov    D114(%rip),%rax
  mov    (%rax),%r8d
  mov    -0x7c(%rbp),%r9d
  mov    -0x78(%rbp),%ecx
  mov    -0x40(%rbp),%rdx
  mov    -0x94(%rbp),%esi
  mov    -0x90(%rbp),%rax
  sub    $0x8,%rsp
  push   -0xb0(%rbp)
  push   -0x50(%rbp)
  push   %rdi
  mov    %rax,%rdi
  call   <PKCS12_key_gen@plt>
  add    $0x20,%rsp
  test   %eax,%eax
  jne    L184
  mov    D68(%rip),%rax
  mov    (%rax),%edx
  mov    D142(%rip),%rax
  mov    (%rax),%eax
  mov    %edx,%esi
  mov    %eax,%edi
  call   <PKCS12err@plt>
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <PBEPARAM_free@plt>
  mov    $0x0,%eax
  jmp    L159
L184:
  mov    -0x48(%rbp),%rax
  mov    %rax,%rdi
  call   <PBEPARAM_free@plt>
  mov    -0x50(%rbp),%rcx
  mov    -0x60(%rbp),%rdx
  mov    -0xa8(%rbp),%rsi
  mov    -0x88(%rbp),%rax
  mov    0x10(%rbp),%r9d
  mov    %rcx,%r8
  mov    %rdx,%rcx
  mov    $0x0,%edx
  mov    %rax,%rdi
  call   <EVP_CipherInit_ex@plt>
  mov    %eax,-0x74(%rbp)
  mov    D2(%rip),%rax
  mov    (%rax),%edx
  mov    -0x60(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <explicit_bzero@plt>
  mov    D92(%rip),%rax
  mov    (%rax),%edx
  mov    -0x50(%rbp),%rax
  mov    %edx,%esi
  mov    %rax,%rdi
  call   <explicit_bzero@plt>
  mov    -0x74(%rbp),%eax
L159:
  mov    %rbx,%rsp
  mov    -0x38(%rbp),%rdx
  sub    %fs:0x28,%rdx
  je     L82
  call   <__stack_chk_fail@plt>
L82:
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
```

assistant: ```c
int PKCS12_PBE_keyivgen(EVP_CIPHER_CTX *ctx, const char *pass, int passlen, ASN1_TYPE *param, const EVP_CIPHER *cipher, const EVP_MD *md, int en_de) {
  PBEPARAM *pbe;
  int saltlen, iter, ret;
  unsigned char *salt;
  const unsigned char *pbuf;
  unsigned char key[EVP_MAX_KEY_LENGTH], iv[EVP_MAX_IV_LENGTH];
  if (param == NULL || param->type != V_ASN1_SEQUENCE || param->value.sequence == NULL) {
    PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR);
    return 0;
  }
  pbuf = param->value.sequence->data;
  if (!(pbe = d2i_PBEPARAM(NULL, &pbuf, param->value.sequence->length))) {
    PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_DECODE_ERROR);
    return 0;
  }
  if (!pbe->iter)
    iter = 1;
  else
    iter = ASN1_INTEGER_get(pbe->iter);
  salt = pbe->salt->data;
  saltlen = pbe->salt->length;
  if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_KEY_ID, iter, EVP_CIPHER_key_length(cipher), key, md)) {
    PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_KEY_GEN_ERROR);
    PBEPARAM_free(pbe);
    return 0;
  }
  if (!PKCS12_key_gen(pass, passlen, salt, saltlen, PKCS12_IV_ID, iter, EVP_CIPHER_iv_length(cipher), iv, md)) {
    PKCS12err(PKCS12_F_PKCS12_PBE_KEYIVGEN, PKCS12_R_IV_GEN_ERROR);
    PBEPARAM_free(pbe);
    return 0;
  }
  PBEPARAM_free(pbe);
  ret = EVP_CipherInit_ex(ctx, cipher, NULL, key, iv, en_de);
  explicit_bzero(key, EVP_MAX_KEY_LENGTH);
  explicit_bzero(iv, EVP_MAX_IV_LENGTH);
  return ret;
}
```