// File: /workspace/github_c_makefile_star2_O1/sbp[P]tweetnacl-tools/tweetnacl-encrypt.c
// Function: main
int main(int argc, char *argv[]) {
    if (argc != 5) error(2,
        "Usage: tweetnacl-encrypt send-key.sec recv-key.pub text.txt text.enc");

    // This will also erroneously fail if the file "-" exists
    if (file_exists(argv[4])) errorf(1, "File <%s> exists", argv[4]);

    // Alice is sending to Bob, not surprisingly
    unsigned char a_secret_key[crypto_box_SECRETKEYBYTES];
    unsigned char b_public_key[crypto_box_PUBLICKEYBYTES];

    read_key(argv[1], a_secret_key, crypto_box_SECRETKEYBYTES);
    read_key(argv[2], b_public_key, crypto_box_PUBLICKEYBYTES);

    unsigned char nonce[crypto_box_NONCEBYTES];
    randombytes(nonce, sizeof(nonce));

    FILE *out;
    if (strcmp(argv[4], "-") != 0) {
        out = create_file(argv[4]);
        fwrite(nonce, sizeof(nonce), 1, out);
    } else {
        out = stdout;
        fwrite(bytes_to_hex(nonce, sizeof(nonce)), sizeof(nonce) * 2, 1, out);
        fputs("\n", out);
    }

    // Input
    // unsigned char *message = read_file(argv[3]);
    Content c = read_file(argv[3]);
    long psize = crypto_box_ZEROBYTES + c.size;
    unsigned char *padded = malloc(psize);
    if (padded == NULL) error(1, "Malloc failed!");
    memset(padded, 0, crypto_box_ZEROBYTES);
    memcpy(padded + crypto_box_ZEROBYTES, c.bytes, c.size);
    free(c.bytes);

    // Output
    unsigned char *encrypted = calloc(psize, sizeof(unsigned char));
    if (encrypted == NULL) error(1, "Calloc failed!");

    // Encrypt
    crypto_box(encrypted, padded, psize, nonce, b_public_key, a_secret_key);
    free(padded);

    if (out != stdout) {
        fwrite(encrypted + crypto_box_BOXZEROBYTES,
               psize - crypto_box_BOXZEROBYTES, 1, out);
    } else {
        fwrite(bytes_to_hex(encrypted + crypto_box_BOXZEROBYTES,
                            psize - crypto_box_BOXZEROBYTES),
               (psize - crypto_box_BOXZEROBYTES) * 2, 1, out);
        fputs("\n", out);
    }
    free(encrypted);
    return 0;
}

// Assembly:
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0x60, %rsp
movq %rsi, %r14
cmpl $0x5, %edi
je 0x374e
leaq 0x114c(%rip), %rsi      # 0x4890
movl $0x2, %edi
callq 0x1344
movq 0x20(%r14), %rdi
callq 0x1498
testl %eax, %eax
je 0x3770
movq 0x20(%r14), %rdx
leaq 0x116f(%rip), %rsi      # 0x48d5
movl $0x1, %edi
callq 0x138c
movq 0x8(%r14), %rdi
leaq 0x40(%rsp), %rsi
movl $0x20, %edx
callq 0x14ac
movq 0x10(%r14), %rdi
leaq 0x20(%rsp), %rsi
movl $0x20, %edx
callq 0x14ac
movq %rsp, %rdi
movl $0x18, %esi
callq 0x128c
movq 0x20(%r14), %rbx
leaq 0x1138(%rip), %rsi      # 0x48e6
movq %rbx, %rdi
callq 0x10b0
testl %eax, %eax
je 0x37dc
movq %rbx, %rdi
callq 0x145c
movq %rax, %rbx
movq %rsp, %rdi
movl $0x18, %esi
movl $0x1, %edx
movq %rax, %rcx
callq 0x1170
jmp 0x3817
movq 0x37f5(%rip), %rax      # 0x6fd8
movq (%rax), %rbx
movq %rsp, %rdi
movl $0x18, %esi
callq 0x13df
movl $0x30, %esi
movl $0x1, %edx
movq %rax, %rdi
movq %rbx, %rcx
callq 0x1170
leaq 0x10d9(%rip), %rdi      # 0x48e8
movq %rbx, %rsi
callq 0x1060
movq 0x18(%r14), %rdi
callq 0x150a
movq %rax, %r14
movq %rdx, %r15
leaq 0x20(%rax), %r13
movq %r13, %rdi
callq 0x10f0
movq %rax, %r12
testq %rax, %rax
jne 0x384b
leaq 0x7d8(%rip), %rsi       # 0x4019
movl $0x1, %edi
callq 0x1344
xorps %xmm0, %xmm0
movups %xmm0, 0x10(%r12)
movups %xmm0, (%r12)
movq %r12, %rdi
addq $0x20, %rdi
movq %r15, %rsi
movq %r14, %rdx
callq 0x10e0
movq %r15, %rdi
callq 0x1030
movl $0x1, %esi
movq %r13, %rdi
callq 0x10a0
movq %rax, %r15
testq %rax, %rax
jne 0x3899
leaq 0x105b(%rip), %rsi      # 0x48ea
movl $0x1, %edi
callq 0x1344
movq %rsp, %rcx
leaq 0x20(%rsp), %r8
leaq 0x40(%rsp), %r9
movq %r15, %rdi
movq %r12, %rsi
movq %r13, %rdx
callq 0x258c
movq %r12, %rdi
callq 0x1030
movq 0x3715(%rip), %rax      # 0x6fd8
movq %r15, %rdi
addq $0x10, %rdi
addq $0x10, %r14
cmpq (%rax), %rbx
je 0x38e5
movl $0x1, %edx
movq %r14, %rsi
movq %rbx, %rcx
callq 0x1170
jmp 0x3912
movl %r14d, %esi
callq 0x13df
addq %r14, %r14
movl $0x1, %edx
movq %rax, %rdi
movq %r14, %rsi
movq %rbx, %rcx
callq 0x1170
leaq 0xfde(%rip), %rdi       # 0x48e8
movq %rbx, %rsi
callq 0x1060
movq %r15, %rdi
callq 0x1030
xorl %eax, %eax
addq $0x60, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
retq