// File: /workspace/github_c_makefile_star2_O2/mjosaarinen[P]brutus/crypto_aead/aegis256/ref/encrypt.c
// Function: crypto_aead_encrypt
int crypto_aead_encrypt(
	unsigned char *c,unsigned long long *clen,
	const unsigned char *m,unsigned long long mlen,
	const unsigned char *ad,unsigned long long adlen,
	const unsigned char *nsec,
	const unsigned char *npub,
	const unsigned char *k
	)
{
        unsigned long i;
        unsigned char plaintextblock[16], ciphertextblock[16], mac[16];
        unsigned char aegis256_state[96];

        //initialization stage
        aegis256_initialization(k, npub, aegis256_state);

        //process the associated data
        for (i = 0; (i+16) <= adlen; i += 16) {
              aegis256_enc_aut_step(ad+i, ciphertextblock, aegis256_state);
        }

        //deal with the partial block of associated data
        //in this program, we assume that the message length is multiple of bytes.
        if ( (adlen & 0xf) != 0 )  {
              memset(plaintextblock, 0, 16);
              memcpy(plaintextblock, ad+i, adlen & 0xf);
              aegis256_enc_aut_step(plaintextblock, ciphertextblock, aegis256_state);
        }

        //encrypt the plaintext
        for (i = 0; (i+16) <= mlen; i += 16) {
              aegis256_enc_aut_step(m+i, c+i, aegis256_state);
        }

        // Deal with the partial block
        // In this program, we assume that the message length is multiple of bytes.
        if (  (mlen & 0xf) != 0 )  {
              memset(plaintextblock, 0, 16);
              memcpy(plaintextblock, m+i, mlen & 0xf);
              aegis256_enc_aut_step(plaintextblock, ciphertextblock, aegis256_state);
              memcpy(c+i,ciphertextblock, mlen & 0xf);
        }

        //finalization stage, we assume that the tag length is a multiple of bytes
        aegis256_tag_generation(mlen, adlen, 16, mac, aegis256_state);
        *clen = mlen + 16;
        memcpy(c+mlen, mac, 16);

        return 0;
}

// Assembly:
pushq %rbp
pushq %r15
pushq %r14
pushq %r13
pushq %r12
pushq %rbx
subq $0xb8, %rsp
movq %r9, 0x8(%rsp)
movq %r8, %rbp
movq %rcx, %rbx
movq %rdx, %r13
movq %rsi, 0x20(%rsp)
movq %rdi, 0x28(%rsp)
movq 0x100(%rsp), %rdi
movq 0xf8(%rsp), %rsi
leaq 0x50(%rsp), %r15
movq %r15, %rdx
callq 0x10a0
pushq $0x10
popq %r12
leaq 0x30(%rsp), %r14
cmpq 0x8(%rsp), %r12
ja 0x1402
movq %rbp, %rdi
movq %r14, %rsi
movq %r15, %rdx
callq 0x1060
addq $0x10, %rbp
addq $0x10, %r12
jmp 0x13e3
movq 0x8(%rsp), %r14
andq $0xf, %r14
je 0x1447
pushq $0x10
popq %rdx
subq %r14, %rdx
leaq (%rsp,%r14), %rdi
addq $0x10, %rdi
xorl %esi, %esi
callq 0x1030
leaq 0x10(%rsp), %r15
movq %r15, %rdi
movq %rbp, %rsi
movq %r14, %rdx
callq 0x10b0
leaq 0x30(%rsp), %rsi
leaq 0x50(%rsp), %rdx
movq %r15, %rdi
callq 0x1060
pushq $0x10
popq %r14
leaq 0x50(%rsp), %r15
movq 0x28(%rsp), %r12
movq %r12, %rbp
cmpq %rbx, %r14
ja 0x1479
movq %r13, %rdi
movq %rbp, %rsi
movq %r15, %rdx
callq 0x1060
addq $0x10, %rbp
addq $0x10, %r13
addq $0x10, %r14
jmp 0x1458
movq %rbx, %r15
andq $0xf, %r15
je 0x14cd
pushq $0x10
popq %rdx
subq %r15, %rdx
leaq (%rsp,%r15), %rdi
addq $0x10, %rdi
xorl %esi, %esi
callq 0x1030
leaq 0x10(%rsp), %r14
movq %r14, %rdi
movq %r13, %rsi
movq %r15, %rdx
callq 0x10b0
leaq 0x30(%rsp), %r13
leaq 0x50(%rsp), %rdx
movq %r14, %rdi
movq %r13, %rsi
callq 0x1060
movq %rbp, %rdi
movq %r13, %rsi
movq %r15, %rdx
callq 0x10b0
pushq $0x10
popq %rdx
leaq 0x40(%rsp), %r14
leaq 0x50(%rsp), %r8
movq %rbx, %rdi
movq 0x8(%rsp), %rsi
movq %r14, %rcx
callq 0x10d0
leaq 0x10(%rbx), %rax
movq 0x20(%rsp), %rcx
movq %rax, (%rcx)
vmovaps (%r14), %xmm0
vmovups %xmm0, (%r12,%rbx)
xorl %eax, %eax
addq $0xb8, %rsp
popq %rbx
popq %r12
popq %r13
popq %r14
popq %r15
popq %rbp
retq