user: 提供的汇编代码用C语言表示会是什么样子:

```asm
<pbkdf2_check>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  sub    $0xa8,%rsp
  mov    %rdi,%rbx
  mov    %rsi,%rdi
  mov    %fs:0x28,%rax
  mov    %rax,0x98(%rsp)
  xor    %eax,%eax
  lea    0x4(%rsp),%rdx
  lea    D96(%rip),%r8
  lea    D106(%rip),%rcx
  lea    D131(%rip),%rsi
  call   <detoken@plt>
  mov    $0x0,%ebp
  test   %rax,%rax
  je     L10
L82:
  mov    0x98(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L62
  mov    %ebp,%eax
  add    $0xa8,%rsp
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L10:
  mov    D106(%rip),%rdi
  call   <strlen@plt>
  mov    %eax,%r12d
  mov    $0x0,%eax
  call   <EVP_sha256@plt>
  mov    %rax,%rbp
  lea    D86(%rip),%rsi
  mov    D131(%rip),%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L51
  call   <EVP_sha1@plt>
  mov    %rax,%rbp
L20:
  mov    0x4(%rsp),%r15d
  mov    D106(%rip),%r14
  mov    %rbx,%rdi
  call   <strlen@plt>
  mov    %eax,%esi
  lea    0x10(%rsp),%r13
  push   %r13
  push   $0x18
  mov    %rbp,%r9
  mov    %r15d,%r8d
  mov    %r12d,%ecx
  mov    %r14,%rdx
  mov    %rbx,%rdi
  call   <PKCS5_PBKDF2_HMAC@plt>
  lea    0x18(%rsp),%rdx
  mov    $0x18,%esi
  mov    %r13,%rdi
  call   <base64_encode@plt>
  mov    %eax,%ebx
  add    $0x10,%rsp
  mov    $0x0,%ebp
  test   %eax,%eax
  jg     L73
L0:
  mov    D131(%rip),%rdi
  call   <free@plt>
  mov    D106(%rip),%rdi
  call   <free@plt>
  mov    D96(%rip),%rdi
  call   <free@plt>
  jmp    L82
L51:
  lea    D38(%rip),%rsi
  mov    D131(%rip),%rdi
  call   <strcmp@plt>
  test   %rax,%rax
  jne    L20
  call   <EVP_sha512@plt>
  mov    %rax,%rbp
  jmp    L20
L73:
  mov    D96(%rip),%rdi
  call   <strlen@plt>
  cmp    %eax,%ebx
  mov    %eax,%edi
  cmovle %ebx,%edi
  test   %edi,%edi
  jle    L36
  mov    D96(%rip),%r9
  mov    0x8(%rsp),%r8
  mov    %edi,%edi
  mov    $0x0,%ecx
  mov    $0x0,%esi
L68:
  movzbl (%r9,%rcx,1),%edx
  xor    (%r8,%rcx,1),%dl
  movsbl %dl,%edx
  or     %edx,%esi
  add    $0x1,%rcx
  cmp    %rdi,%rcx
  jne    L68
L3:
  mov    $0x0,%ebp
  cmp    %eax,%ebx
  je     L71
L126:
  mov    0x8(%rsp),%rdi
  call   <free@plt>
  jmp    L0
L36:
  mov    $0x0,%esi
  jmp    L3
L71:
  test   %esi,%esi
  sete   %bpl
  movzbl %bpl,%ebp
  jmp    L126
L62:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: tag: D86
data_type: string
name: retrieve_data
arguments: tag: D38
data_type: string

tool: D86: sha1

tool: D38: sha512

assistant: ```c
int pbkdf2_check(char *password, char *hash) {
  static char *sha, *salt, *h_pw;
  int iterations, saltlen, blen;
  char *b64;
  unsigned char key[128];
  int match = (0);
  const EVP_MD *evpmd;
  if (detoken(hash, &sha, &iterations, &salt, &h_pw) != 0)
    return match;
  saltlen = strlen((char *)salt);
  evpmd = EVP_sha256();
  if (strcmp(sha, "sha1") == 0) {
    evpmd = EVP_sha1();
  } else if (strcmp(sha, "sha512") == 0) {
    evpmd = EVP_sha512();
  }
  PKCS5_PBKDF2_HMAC(password, strlen(password), (unsigned char *)salt, saltlen, iterations, evpmd, 24, key);
  blen = base64_encode(key, 24, &b64);
  if (blen > 0) {
    int i, diff = 0, hlen = strlen(h_pw);
    for (i = 0; (i < blen) && (i < hlen); i++) {
      diff |= h_pw[i] ^ b64[i];
    }
    match = diff == 0;
    if (hlen != blen)
      match = 0;
    free(b64);
  }
  free(sha);
  free(salt);
  free(h_pw);
  return match;
}
```