user: Demonstrate the C code that generates the assembly output below:

```asm
<keypair>:
  endbr64
  push   %r15
  push   %r14
  push   %r13
  push   %r12
  push   %rbp
  push   %rbx
  lea    -0x11000(%rsp),%r11
L544:
  sub    $0x1000,%rsp
  orq    $0x0,(%rsp)
  cmp    %r11,%rsp
  jne    L544
  sub    $0xeb8,%rsp
  lea    D18(%rip),%rbp
  mov    %rsi,0x70(%rsp)
  lea    0xea0(%rsp),%r12
  mov    %rdi,0x8(%rsp)
  mov    $0x41000,%edi
  mov    %fs:0x28,%rax
  mov    %rax,0x11ea8(%rsp)
  xor    %eax,%eax
  call   <malloc@plt>
  mov    $0x41000,%edi
  mov    %rax,0x28(%rsp)
  call   <malloc@plt>
  mov    %rbp,%rdi
  mov    %rax,0x40(%rsp)
  call   <puts@plt>
  lea    D8(%rip),%rdi
  call   <puts@plt>
  mov    %rbp,%rdi
  call   <puts@plt>
  lea    0x1ea0(%rsp),%rax
  mov    %r12,0x60(%rsp)
  mov    %rax,0x78(%rsp)
  mov    %rax,%rbp
L236:
  mov    $0x40,%ebx
  xor    %r13d,%r13d
L597:
  mov    %r13,%r14
  nopl   0x0(%rax)
L697:
  xor    %eax,%eax
  call   <rand@plt>
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  mov    %al,(%r12,%r14,1)
  mov    %al,0x0(%rbp,%r14,1)
  add    $0x1,%r14
  cmp    %r14,%rbx
  jne    L697
  add    $0x40,%rbx
  add    $0x40,%r13
  cmp    $0x1040,%rbx
  jne    L597
  xor    %eax,%eax
  mov    $0x40,%esi
  mov    %rbp,%rdi
  call   <matrixinv@plt>
  test   %eax,%eax
  je     L236
  lea    0x9ea0(%rsp),%rbp
  lea    0xdea0(%rsp),%r12
L305:
  mov    $0x80,%ebx
  xor    %r13d,%r13d
L156:
  mov    %r13,%r14
  nopl   0x0(%rax,%rax,1)
L608:
  xor    %eax,%eax
  call   <rand@plt>
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  mov    %al,0x0(%rbp,%r14,1)
  mov    %al,(%r12,%r14,1)
  add    $0x1,%r14
  cmp    %r14,%rbx
  jne    L608
  sub    $0xffffffffffffff80,%rbx
  sub    $0xffffffffffffff80,%r13
  cmp    $0x4080,%rbx
  jne    L156
  xor    %eax,%eax
  mov    $0x80,%esi
  mov    %r12,%rdi
  call   <matrixinv@plt>
  test   %eax,%eax
  je     L305
  mov    0x8(%rsp),%rdi
  mov    $0x4000,%edx
  mov    %r12,%rsi
  call   <memcpy@plt>
  lea    0x8ea0(%rsp),%rax
  mov    %rax,0x10(%rsp)
  mov    %rax,%rbx
L425:
  xor    %eax,%eax
  add    $0x1,%rbx
  call   <rand@plt>
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  mov    %al,-0x1(%rbx)
  cmp    %rbp,%rbx
  jne    L425
  lea    0x6ea0(%rsp),%rax
  xor    %ebx,%ebx
  mov    %rax,0x58(%rsp)
L714:
  xor    %eax,%eax
  call   <rand@plt>
  mov    0x58(%rsp),%rcx
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  mov    %al,(%rcx,%rbx,1)
  mov    0x8(%rsp),%rcx
  mov    %al,0x4000(%rcx,%rbx,1)
  add    $0x1,%rbx
  cmp    $0x1000,%rbx
  jne    L714
  lea    0x7ea0(%rsp),%rax
  xor    %ebx,%ebx
  mov    %rax,0x48(%rsp)
L407:
  xor    %eax,%eax
  call   <rand@plt>
  mov    0x48(%rsp),%rcx
  cltd
  shr    $0x18,%edx
  add    %edx,%eax
  movzbl %al,%eax
  sub    %edx,%eax
  mov    %al,(%rcx,%rbx,1)
  mov    0x8(%rsp),%rcx
  mov    %al,0x5000(%rcx,%rbx,1)
  add    $0x1,%rbx
  cmp    $0x1000,%rbx
  jne    L407
  mov    0x10(%rsp),%rax
  movl   $0x0,0x1c(%rsp)
  mov    %rcx,%r12
  lea    0x680(%rsp),%rbx
  movl   $0x6000,0x18(%rsp)
  mov    %rax,0x20(%rsp)
  lea    0x280(%rsp),%rax
  mov    %rax,0x50(%rsp)
  lea    0x80(%rsp),%rax
  mov    %rax,0x30(%rsp)
  lea    0x480(%rsp),%rax
  mov    %rax,0x38(%rsp)
  mov    %rbp,0x68(%rsp)
  mov    0x28(%rsp),%rbp
L500:
  mov    0x30(%rsp),%rdi
  mov    0x20(%rsp),%rsi
  mov    $0x40,%ecx
  movq   $0x0,0x8(%rsp)
  rep movsq %ds:(%rsi),%es:(%rdi)
L634:
  mov    0x8(%rsp),%rdx
  mov    0x50(%rsp),%rax
  mov    0x38(%rsp),%rcx
  shl    $0x6,%rdx
  add    0x58(%rsp),%rdx
L522:
  movdqu (%rdx),%xmm0
  add    $0x40,%rax
  add    $0x200,%rdx
  movups %xmm0,-0x40(%rax)
  movdqu -0x1f0(%rdx),%xmm1
  movups %xmm1,-0x30(%rax)
  movdqu -0x1e0(%rdx),%xmm2
  movups %xmm2,-0x20(%rax)
  movdqu -0x1d0(%rdx),%xmm3
  movups %xmm3,-0x10(%rax)
  cmp    %rax,%rcx
  jne    L522
  mov    0x50(%rsp),%rsi
  mov    0x30(%rsp),%rdi
  mov    %rbx,%rdx
  xor    %eax,%eax
  mov    $0x8,%r8d
  mov    $0x40,%ecx
  mov    $0x40,%r15d
  call   <tensorproduct@plt>
  mov    0x1c(%rsp),%r9d
  xor    %esi,%esi
  xor    %r8d,%r8d
  mov    0x18(%rsp),%r10d
  nopl   (%rax)
L173:
  mov    %r15,%rdx
  movslq %r8d,%rcx
  movslq %r9d,%rax
  sub    %rsi,%rdx
  add    %rbx,%rcx
  add    %rbp,%rax
  cmp    $0x8,%edx
  jae    L553
  test   $0x4,%dl
  jne    L50
  test   %edx,%edx
  je     L230
  movzbl (%rcx),%edi
  mov    %dil,(%rax)
  test   $0x2,%dl
  jne    L265
L230:
  movslq %r10d,%rax
  add    %r12,%rax
  cmp    $0x8,%edx
  jae    L331
L185:
  test   $0x4,%dl
  jne    L231
  test   %edx,%edx
  je     L1
  movzbl (%rcx),%edi
  mov    %dil,(%rax)
  test   $0x2,%dl
  jne    L646
L1:
  add    $0x40,%r8d
  add    $0x40,%r9d
  add    $0x40,%r10d
  sub    %esi,%r8d
  sub    %esi,%r9d
  sub    %esi,%r10d
  add    $0x1,%rsi
  cmp    $0x40,%rsi
  jne    L173
  addq   $0x1,0x8(%rsp)
  mov    0x8(%rsp),%rax
  addl   $0x820,0x1c(%rsp)
  addl   $0x820,0x18(%rsp)
  cmp    $0x8,%rax
  jne    L634
  addq   $0x200,0x20(%rsp)
  mov    0x20(%rsp),%rax
  cmp    0x68(%rsp),%rax
  jne    L500
  mov    0x68(%rsp),%rax
  mov    0x10(%rsp),%rsi
  mov    %rax,0x20(%rsp)
L467:
  mov    0x30(%rsp),%rdi
  mov    $0x40,%ecx
  movq   $0x0,0x8(%rsp)
  rep movsq %ds:(%rsi),%es:(%rdi)
L283:
  mov    0x8(%rsp),%rdx
  mov    0x38(%rsp),%rax
  shl    $0x6,%rdx
  add    0x48(%rsp),%rdx
L695:
  movdqu (%rdx),%xmm4
  add    $0x40,%rax
  add    $0x200,%rdx
  movups %xmm4,-0x40(%rax)
  movdqu -0x1f0(%rdx),%xmm5
  movups %xmm5,-0x30(%rax)
  movdqu -0x1e0(%rdx),%xmm6
  movups %xmm6,-0x20(%rax)
  movdqu -0x1d0(%rdx),%xmm7
  movups %xmm7,-0x10(%rax)
  cmp    %rbx,%rax
  jne    L695
  mov    0x38(%rsp),%rsi
  mov    0x30(%rsp),%rdi
  mov    %rbx,%rdx
  xor    %eax,%eax
  mov    $0x8,%r8d
  mov    $0x40,%ecx
  mov    $0x40,%r15d
  call   <tensorproduct@plt>
  mov    0x1c(%rsp),%r9d
  xor    %esi,%esi
  xor    %r8d,%r8d
  mov    0x18(%rsp),%r10d
  nopl   0x0(%rax,%rax,1)
L375:
  mov    %r15,%rdx
  movslq %r8d,%rcx
  movslq %r9d,%rax
  sub    %rsi,%rdx
  add    %rbx,%rcx
  add    %rbp,%rax
  cmp    $0x8,%edx
  jae    L469
  test   $0x4,%dl
  jne    L90
  test   %edx,%edx
  je     L119
  movzbl (%rcx),%edi
  mov    %dil,(%rax)
  test   $0x2,%dl
  jne    L191
L119:
  movslq %r10d,%rax
  add    %r12,%rax
  cmp    $0x8,%edx
  jae    L36
L571:
  test   $0x4,%dl
  jne    L100
  test   %edx,%edx
  je     L86
  movzbl (%rcx),%edi
  mov    %dil,(%rax)
  test   $0x2,%dl
  jne    L709
L86:
  add    $0x40,%r8d
  add    $0x40,%r9d
  add    $0x40,%r10d
  sub    %esi,%r8d
  sub    %esi,%r9d
  sub    %esi,%r10d
  add    $0x1,%rsi
  cmp    $0x40,%rsi
  jne    L375
  addq   $0x1,0x8(%rsp)
  mov    0x8(%rsp),%rax
  addl   $0x820,0x1c(%rsp)
  addl   $0x820,0x18(%rsp)
  cmp    $0x8,%rax
  jne    L283
  addq   $0x200,0x10(%rsp)
  mov    0x10(%rsp),%rax
  cmp    0x20(%rsp),%rax
  je     L111
  mov    %rax,%rsi
  jmp    L467
  nopl   0x0(%rax,%rax,1)
L553:
  mov    (%rcx),%rdi
  lea    0x8(%rax),%r13
  mov    %rcx,%r14
  and    $0xfffffffffffffff8,%r13
  mov    %rdi,(%rax)
  mov    %edx,%edi
  mov    -0x8(%rcx,%rdi,1),%r11
  mov    %r11,-0x8(%rax,%rdi,1)
  sub    %r13,%rax
  sub    %rax,%r14
  add    %edx,%eax
  and    $0xfffffff8,%eax
  cmp    $0x8,%eax
  jb     L230
  mov    %rdx,(%rsp)
  and    $0xfffffff8,%eax
  xor    %edi,%edi
L662:
  mov    %edi,%r11d
  add    $0x8,%edi
  mov    (%r14,%r11,1),%rdx
  mov    %rdx,0x0(%r13,%r11,1)
  cmp    %eax,%edi
  jb     L662
  mov    (%rsp),%rdx
  movslq %r10d,%rax
  add    %r12,%rax
  cmp    $0x8,%edx
  jb     L185
L331:
  mov    (%rcx),%rdi
  mov    %rdi,(%rax)
  mov    %edx,%edi
  mov    -0x8(%rcx,%rdi,1),%r11
  mov    %r11,-0x8(%rax,%rdi,1)
  lea    0x8(%rax),%rdi
  and    $0xfffffffffffffff8,%rdi
  sub    %rdi,%rax
  add    %eax,%edx
  sub    %rax,%rcx
  and    $0xfffffff8,%edx
  cmp    $0x8,%edx
  jb     L1
  and    $0xfffffff8,%edx
  xor    %eax,%eax
L642:
  mov    %eax,%r11d
  add    $0x8,%eax
  mov    (%rcx,%r11,1),%r13
  mov    %r13,(%rdi,%r11,1)
  cmp    %edx,%eax
  jb     L642
  jmp    L1
L50:
  mov    (%rcx),%edi
  mov    %edi,(%rax)
  mov    %edx,%edi
  mov    -0x4(%rcx,%rdi,1),%r11d
  mov    %r11d,-0x4(%rax,%rdi,1)
  jmp    L230
L231:
  mov    (%rcx),%edi
  mov    %edx,%edx
  mov    %edi,(%rax)
  mov    -0x4(%rcx,%rdx,1),%ecx
  mov    %ecx,-0x4(%rax,%rdx,1)
  jmp    L1
L265:
  mov    %edx,%edi
  movzwl -0x2(%rcx,%rdi,1),%r11d
  mov    %r11w,-0x2(%rax,%rdi,1)
  jmp    L230
L646:
  mov    %edx,%edx
  movzwl -0x2(%rcx,%rdx,1),%ecx
  mov    %cx,-0x2(%rax,%rdx,1)
  jmp    L1
  xchg   %ax,%ax
L469:
  mov    (%rcx),%rdi
  lea    0x8(%rax),%r13
  mov    %rcx,%r14
  and    $0xfffffffffffffff8,%r13
  mov    %rdi,(%rax)
  mov    %edx,%edi
  mov    -0x8(%rcx,%rdi,1),%r11
  mov    %r11,-0x8(%rax,%rdi,1)
  sub    %r13,%rax
  sub    %rax,%r14
  add    %edx,%eax
  and    $0xfffffff8,%eax
  cmp    $0x8,%eax
  jb     L119
  mov    %rdx,(%rsp)
  and    $0xfffffff8,%eax
  xor    %edi,%edi
L223:
  mov    %edi,%r11d
  add    $0x8,%edi
  mov    (%r14,%r11,1),%rdx
  mov    %rdx,0x0(%r13,%r11,1)
  cmp    %eax,%edi
  jb     L223
  mov    (%rsp),%rdx
  movslq %r10d,%rax
  add    %r12,%rax
  cmp    $0x8,%edx
  jb     L571
L36:
  mov    (%rcx),%rdi
  mov    %rdi,(%rax)
  mov    %edx,%edi
  mov    -0x8(%rcx,%rdi,1),%r11
  mov    %r11,-0x8(%rax,%rdi,1)
  lea    0x8(%rax),%rdi
  and    $0xfffffffffffffff8,%rdi
  sub    %rdi,%rax
  add    %eax,%edx
  sub    %rax,%rcx
  and    $0xfffffff8,%edx
  cmp    $0x8,%edx
  jb     L86
  and    $0xfffffff8,%edx
  xor    %eax,%eax
L472:
  mov    %eax,%r11d
  add    $0x8,%eax
  mov    (%rcx,%r11,1),%r13
  mov    %r13,(%rdi,%r11,1)
  cmp    %edx,%eax
  jb     L472
  jmp    L86
L90:
  mov    (%rcx),%edi
  mov    %edi,(%rax)
  mov    %edx,%edi
  mov    -0x4(%rcx,%rdi,1),%r11d
  mov    %r11d,-0x4(%rax,%rdi,1)
  jmp    L119
L100:
  mov    (%rcx),%edi
  mov    %edx,%edx
  mov    %edi,(%rax)
  mov    -0x4(%rcx,%rdx,1),%ecx
  mov    %ecx,-0x4(%rax,%rdx,1)
  jmp    L86
L191:
  mov    %edx,%edi
  movzwl -0x2(%rcx,%rdi,1),%r11d
  mov    %r11w,-0x2(%rax,%rdi,1)
  jmp    L119
L709:
  mov    %edx,%edx
  movzwl -0x2(%rcx,%rdx,1),%ecx
  mov    %cx,-0x2(%rax,%rdx,1)
  jmp    L86
L111:
  mov    0x60(%rsp),%rdi
  mov    $0x40,%esi
  mov    %rbp,0x28(%rsp)
  lea    0x2ea0(%rsp),%rax
  mov    %rax,0x38(%rsp)
  mov    %rax,%rdx
  xor    %eax,%eax
  mov    0x20(%rsp),%rbp
  mov    %r12,0x8(%rsp)
  call   <matrixtranspose@plt>
  mov    %rbp,0x48(%rsp)
  mov    0x40(%rsp),%r14
  lea    0x4ea0(%rsp),%rax
  mov    %rax,0x30(%rsp)
  lea    0x3ea0(%rsp),%rax
  mov    %rax,0x10(%rsp)
  lea    0x5ea0(%rsp),%rax
  movl   $0x0,(%rsp)
  mov    %rax,0x20(%rsp)
L548:
  mov    0x10(%rsp),%rdi
  mov    $0x200,%ecx
  xor    %eax,%eax
  xor    %esi,%esi
  mov    0x10(%rsp),%r8
  mov    0x28(%rsp),%r11
  mov    $0x40,%ebx
  rep stos %rax,%es:(%rdi)
  mov    (%rsp),%edi
  jmp    L588
  nopl   0x0(%rax,%rax,1)
L479:
  test   $0x4,%al
  jne    L423
  test   %eax,%eax
  je     L97
  movzbl (%rdx),%ecx
  mov    %cl,(%r8)
  test   $0x2,%al
  jne    L18
L97:
  add    $0x40,%edi
  add    $0x41,%r8
  sub    %esi,%edi
  add    $0x1,%rsi
  cmp    $0x40,%rsi
  je     L241
L588:
  mov    %rbx,%rax
  movslq %edi,%rdx
  sub    %rsi,%rax
  add    %r11,%rdx
  cmp    $0x8,%eax
  jb     L479
  mov    (%rdx),%rcx
  lea    0x8(%r8),%rbp
  and    $0xfffffffffffffff8,%rbp
  mov    %rcx,(%r8)
  mov    %eax,%ecx
  mov    -0x8(%rdx,%rcx,1),%r9
  mov    %r9,-0x8(%r8,%rcx,1)
  mov    %r8,%rcx
  sub    %rbp,%rcx
  add    %ecx,%eax
  sub    %rcx,%rdx
  and    $0xfffffff8,%eax
  cmp    $0x8,%eax
  jb     L97
  and    $0xfffffff8,%eax
  xor    %ecx,%ecx
L672:
  mov    %ecx,%r9d
  add    $0x8,%ecx
  mov    (%rdx,%r9,1),%r10
  mov    %r10,0x0(%rbp,%r9,1)
  cmp    %eax,%ecx
  jb     L672
  jmp    L97
L423:
  mov    (%rdx),%ecx
  mov    %eax,%eax
  mov    %ecx,(%r8)
  mov    -0x4(%rdx,%rax,1),%edx
  mov    %edx,-0x4(%r8,%rax,1)
  jmp    L97
L18:
  mov    %eax,%eax
  movzwl -0x2(%rdx,%rax,1),%edx
  mov    %dx,-0x2(%r8,%rax,1)
  jmp    L97
L241:
  mov    (%rsp),%eax
  mov    0x30(%rsp),%rbx
  mov    $0x40,%ecx
  mov    $0x40,%r8d
  mov    0x10(%rsp),%rsi
  mov    0x38(%rsp),%rdi
  mov    $0x40,%edx
  add    $0x820,%eax
  mov    %rbx,%r9
  mov    %eax,0x1c(%rsp)
  xor    %eax,%eax
  call   <matrixmul@plt>
  mov    0x20(%rsp),%r12
  mov    %rbx,%rdi
  xor    %eax,%eax
  mov    0x60(%rsp),%rsi
  mov    $0x40,%r8d
  mov    $0x40,%ecx
  xor    %ebx,%ebx
  mov    %r12,%r9
  mov    $0x40,%edx
  call   <matrixmul@plt>
  nopw   0x0(%rax,%rax,1)
L353:
  movslq (%rsp),%rbp
  mov    %ebx,%r13d
  mov    %rbx,%r15
  sub    %rbx,%rbp
  nopl   (%rax)
L627:
  cmp    %ebx,%r15d
  je     L218
  mov    %r15d,%eax
  movzbl (%r12,%r15,1),%edi
  shl    $0x6,%eax
  add    %r13d,%eax
  cltq
  movzbl 0x5ea0(%rsp,%rax,1),%esi
  xor    %eax,%eax
  call   <add@plt>
  mov    %eax,%r8d
  lea    (%r14,%rbp,1),%rax
  mov    %r8b,(%rax,%r15,1)
  add    $0x1,%r15
  cmp    $0x40,%r15d
  jne    L627
L480:
  mov    (%rsp),%r15d
  add    $0x1,%rbx
  add    $0x40,%r12
  add    $0x40,%r15d
  sub    %r13d,%r15d
  mov    %r15d,(%rsp)
  cmp    $0x40,%rbx
  jne    L353
  mov    0x1c(%rsp),%eax
  cmp    $0x41000,%eax
  je     L196
  mov    %eax,(%rsp)
  jmp    L548
  nopl   0x0(%rax)
L218:
  movzbl (%r12,%r15,1),%edx
  lea    (%r14,%rbp,1),%rax
  mov    %dl,(%rax,%r15,1)
  add    $0x1,%r15
  cmp    $0x40,%r15d
  jne    L627
  jmp    L480
L196:
  mov    0x40(%rsp),%rbx
  mov    0x48(%rsp),%rbp
  mov    $0x80,%ecx
  xor    %eax,%eax
  mov    0x70(%rsp),%r9
  mov    $0x820,%r8d
  mov    $0x80,%edx
  mov    %rbx,%rsi
  mov    %rbp,%rdi
  call   <matrixmul@plt>
  mov    0x1ea0(%rsp),%rdx
  movslq 0x18(%rsp),%rax
  add    0x8(%rsp),%rax
  mov    %rdx,(%rax)
  mov    0x2e98(%rsp),%rdx
  lea    0x8(%rax),%rdi
  and    $0xfffffffffffffff8,%rdi
  mov    %rdx,0xff8(%rax)
  mov    0x78(%rsp),%rcx
  sub    %rdi,%rax
  sub    %rax,%rcx
  mov    %rcx,%rsi
  lea    0x1000(%rax),%ecx
  shr    $0x3,%ecx
  rep movsq %ds:(%rsi),%es:(%rdi)
  mov    0x28(%rsp),%rdi
  call   <free@plt>
  mov    %rbx,%rdi
  call   <free@plt>
  mov    0x11ea8(%rsp),%rax
  sub    %fs:0x28,%rax
  jne    L269
  add    $0x11eb8,%rsp
  mov    $0x1,%eax
  pop    %rbx
  pop    %rbp
  pop    %r12
  pop    %r13
  pop    %r14
  pop    %r15
  ret
L269:
  call   <__stack_chk_fail@plt>
```

tool_calls: name: retrieve_data
arguments: data_tag: D18
type_infered: string
name: retrieve_data
arguments: data_tag: D8
type_infered: string

tool: D18: ************************************************* 

tool: D8: Start ABC key pair generation 

assistant: ```c
int keypair(unsigned char *sk, unsigned char *pk) {
  unsigned char S[64 * 64], INVS[64 * 64], ST[64 * 64];
  unsigned char M[64 * 64], U[64 * 64], V[64 * 64];
  unsigned char T[128 * 128], INVT[128 * 128];
  unsigned char B[8 * 8 * 64], C[8 * 8 * 64], A[8 * 8 * 64];
  unsigned char TEMPA[8 * 64], TEMPB[8 * 64], TEMPC[8 * 64], TEMPF[2080];
  unsigned char *F;
  unsigned char *FB;
  int i, j, s, t, ij = 0, eof, count, flag = 0;
  unsigned char W = 0;
  F = (unsigned char *)malloc(((8 * 8 + 8 * 8) * 2080) * sizeof(unsigned char));
  FB = (unsigned char *)malloc(((8 * 8 + 8 * 8) * 2080) * (sizeof(unsigned char)));
  printf("************************************************* \n");
  printf("Start ABC key pair generation \n");
  printf("************************************************* \n");
  eof = 0;
  while (eof == 0) {
    for (i = 0; i < 64; i++) {
      for (j = 0; j < 64; j++) {
        INVS[i * 64 + j] = S[i * 64 + j] = rand() % 256;
      }
    }
    eof = matrixinv(INVS, 64);
  }
  eof = 0;
  while (eof == 0) {
    for (i = 0; i < 128; i++) {
      for (j = 0; j < 128; j++) {
        INVT[i * 128 + j] = T[i * 128 + j] = rand() % 256;
      }
    }
    eof = matrixinv(INVT, 128);
  }
  for (i = 0; i < 128; i++) {
    for (j = 0; j < 128; j++) {
      sk[ij++] = INVT[i * 128 + j];
    }
  }
  for (i = 0; i < 8 * 8 * 64; i++) {
    A[i] = rand() % 256;
  }
  for (i = 0; i < 8 * 8 * 64; i++) {
    sk[ij++] = B[i] = rand() % 256;
  }
  for (i = 0; i < 8 * 8 * 64; i++) {
    sk[ij++] = C[i] = rand() % 256;
  }
  count = 0;
  flag = 0;
  for (i = 0; i < 8; i++) {
    for (j = 0; j < 8 * 64; j++) {
      TEMPA[j] = A[i * 8 * 64 + j];
    }
    for (j = 0; j < 8; j++) {
      for (s = 0; s < 8; s++) {
        for (t = 0; t < 64; t++) {
          TEMPB[s * 64 + t] = B[j * 64 + s * 8 * 64 + t];
        }
      }
      tensorproduct(TEMPA, TEMPB, TEMPF, 64, 8);
      for (s = 0; s < 64; s++) {
        for (t = s; t < 64; t++) {
          sk[ij++] = F[flag++] = TEMPF[count++];
        }
      }
      count = 0;
    }
  }
  for (i = 0; i < 8; i++) {
    for (s = 0; s < 8; s++) {
      for (t = 0; t < 64; t++) {
        TEMPA[s * 64 + t] = A[i * 8 * 64 + s * 64 + t];
      }
    }
    for (j = 0; j < 8; j++) {
      for (s = 0; s < 8; s++) {
        for (t = 0; t < 64; t++) {
          TEMPC[s * 64 + t] = C[j * 64 + s * 8 * 64 + t];
        }
      }
      tensorproduct(TEMPA, TEMPC, TEMPF, 64, 8);
      for (s = 0; s < 64; s++) {
        for (t = s; t < 64; t++) {
          sk[ij++] = F[flag++] = TEMPF[count++];
        }
      }
      count = 0;
    }
  }
  matrixtranspose(S, 64, ST);
  count = 0;
  flag = 0;
  int num = 0;
  for (i = 0; i < 8 * (8 + 8); i++) {
    for (s = 0; s < 64 * 64; s++) {
      M[s] = (unsigned char)0;
    }
    for (s = 0; s < 64; s++) {
      for (t = s; t < 64; t++) {
        M[s * 64 + t] = F[count++];
      }
    }
    matrixmul(ST, M, 64, 64, 64, U);
    matrixmul(U, S, 64, 64, 64, V);
    for (s = 0; s < 64; s++) {
      for (t = s; t < 64; t++) {
        if (t == s) {
          FB[flag++] = V[s * 64 + t];
        }
        if (t != s) {
          FB[flag++] = add((unsigned char)V[s * 64 + t], (unsigned char)V[t * 64 + s]);
        }
      }
    }
  }
  matrixmul(T, FB, 128, 128, 2080, pk);
  for (i = 0; i < 64; i++) {
    for (j = 0; j < 64; j++) {
      sk[ij++] = INVS[i * 64 + j];
    }
  }
  free(F);
  free(FB);
  return (1);
}
```