user: 提供的汇编代码用C语言表示会是什么样子：

```asm
<EVP_SealInit>:
  endbr64
  push   %rbp
  mov    %rsp,%rbp
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbx
  sub    $0x38,%rsp
  mov    %rdi,%r12
  mov    %rsi,%rbx
  mov    %rdx,%r13
  mov    %rcx,-0x58(%rbp)
  mov    %r8,%r14
  mov    %r9,-0x48(%rbp)
  mov    %fs:0x28,%rax
  mov    %rax,-0x38(%rbp)
  xor    %eax,%eax
  mov    D9(%rip),%rax
  mov    (%rax),%r15d
  movslq %r15d,%rax
  add    $0xf,%rax
  mov    %rax,%rcx
  and    $0xfffffffffffffff0,%rcx
  and    $0xfffffffffffff000,%rax
  mov    %rsp,%rdx
  sub    %rax,%rdx
L61:
  cmp    %rdx,%rsp
  je     L129
  sub    $0x1000,%rsp
  orq    $0x0,0xff8(%rsp)
  jmp    L61
L129:
  mov    %rcx,%rax
  and    $0xfff,%eax
  sub    %rax,%rsp
  test   %rax,%rax
  je     L40
  orq    $0x0,-0x8(%rsp,%rax,1)
L40:
  mov    %rsp,-0x50(%rbp)
  test   %rbx,%rbx
  je     L44
  mov    %r12,%rdi
  call   <EVP_CIPHER_CTX_reset@plt>
  mov    $0x0,%r8d
  mov    $0x0,%ecx
  mov    $0x0,%edx
  mov    %rbx,%rsi
  mov    %r12,%rdi
  call   <EVP_EncryptInit_ex@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L54
L44:
  cmpl   $0x0,0x10(%rbp)
  jle    L146
  cmpq   $0x0,-0x48(%rbp)
  je     L146
  mov    -0x50(%rbp),%rsi
  mov    %r12,%rdi
  call   <EVP_CIPHER_CTX_rand_key@plt>
  mov    $0x0,%ebx
  test   %rax,%rax
  jle    L54
  mov    %r12,%rdi
  call   <EVP_CIPHER_CTX_iv_length@plt>
  test   %rax,%rax
  je     L3
  mov    %r12,%rdi
  call   <EVP_CIPHER_CTX_iv_length@plt>
  mov    %rax,%rsi
  mov    %r14,%rdi
  call   <RAND_bytes@plt>
  test   %rax,%rax
  jle    L67
L3:
  mov    %r14,%r8
  mov    -0x50(%rbp),%rcx
  mov    $0x0,%edx
  mov    $0x0,%esi
  mov    %r12,%rdi
  call   <EVP_EncryptInit_ex@plt>
  mov    %eax,%ebx
  test   %eax,%eax
  je     L67
  mov    $0x0,%ebx
L45:
  mov    -0x48(%rbp),%rax
  mov    (%rax,%rbx,8),%r14
  mov    %r12,%rdi
  call   <EVP_CIPHER_CTX_key_length@plt>
  mov    %eax,%edx
  mov    0x0(%r13,%rbx,8),%rdi
  mov    %r14,%rcx
  mov    -0x50(%rbp),%rsi
  call   <EVP_PKEY_encrypt_old@plt>
  mov    -0x58(%rbp),%rsi
  mov    %eax,(%rsi,%rbx,4)
  test   %eax,%eax
  jle    L65
  add    $0x1,%rbx
  cmp    %ebx,0x10(%rbp)
  jg     L45
  mov    0x10(%rbp),%ebx
  jmp    L67
L65:
  mov    $0xffffffff,%ebx
L67:
  mov    %r15d,%esi
  mov    -0x50(%rbp),%rdi
  call   <OPENSSL_cleanse@plt>
  jmp    L54
L146:
  mov    $0x1,%ebx
L54:
  mov    -0x38(%rbp),%rax
  sub    %fs:0x28,%rax
  jne    L25
  mov    %ebx,%eax
  lea    -0x28(%rbp),%rsp
  pop    %rbx
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  pop    %rbp
  ret
L25:
  call   <__stack_chk_fail@plt>
```

assistant: ```c
int EVP_SealInit(EVP_CIPHER_CTX *ctx, const EVP_CIPHER *type, unsigned char **ek, int *ekl, unsigned char *iv, EVP_PKEY **pubk, int npubk) {
  unsigned char key[EVP_MAX_KEY_LENGTH];
  int i;
  int rv = 0;
  if (type) {
    EVP_CIPHER_CTX_reset(ctx);
    if (!EVP_EncryptInit_ex(ctx, type, NULL, NULL, NULL))
      return 0;
  }
  if ((npubk <= 0) || !pubk)
    return 1;
  if (EVP_CIPHER_CTX_rand_key(ctx, key) <= 0)
    return 0;
  if (EVP_CIPHER_CTX_iv_length(ctx) && RAND_bytes(iv, EVP_CIPHER_CTX_iv_length(ctx)) <= 0)
    goto err;
  if (!EVP_EncryptInit_ex(ctx, NULL, NULL, key, iv))
    goto err;
  for (i = 0; i < npubk; i++) {
    ekl[i] = EVP_PKEY_encrypt_old(ek[i], key, EVP_CIPHER_CTX_key_length(ctx), pubk[i]);
    if (ekl[i] <= 0) {
      rv = -1;
      goto err;
    }
  }
  rv = npubk;
err:
  OPENSSL_cleanse(key, sizeof(key));
  return rv;
}
```