#include <stdio.h>
#include <stdint.h>
#include <string.h>

#include "lilliput-ae.h"

#include "test-helpers.h"


struct vector
{
    char *name;
    uint8_t key[KEY_BYTES];
    uint8_t nonce[NONCE_BYTES];
    size_t auth_len;
    uint8_t *auth;
    size_t message_len;
    uint8_t *message;
    uint8_t *ciphertext;
    uint8_t tag[TAG_BYTES];
};

typedef struct vector vector;


const vector VECTORS[] = {
    {
        .name = "order",
        .key = {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
        },
        .nonce = {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e
        },
        .auth_len = 64,
        .auth = (uint8_t[]) {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
            0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
            0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
            0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
            0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
            0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
            0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
        },
        .message_len = 64,
        .message = (uint8_t[]) {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
            0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
            0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
            0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
            0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
            0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
            0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
        },
        .ciphertext = (uint8_t[]) {
            0x92, 0xf0, 0xd5, 0x7c, 0x31, 0x0f, 0x73, 0x38,
            0xbb, 0xc6, 0x11, 0xfb, 0xe7, 0x49, 0xd2, 0xcd,
            0xae, 0x29, 0x67, 0xeb, 0xcd, 0xca, 0xd1, 0x07,
            0xf0, 0x2d, 0x2a, 0x14, 0x8e, 0xec, 0x4d, 0xae,
            0x92, 0xe3, 0x96, 0x65, 0x96, 0x84, 0xe3, 0x8d,
            0x48, 0x36, 0x0e, 0x11, 0xec, 0xe2, 0x0a, 0x4e,
            0xe4, 0x3c, 0xc0, 0xb5, 0xf8, 0xe7, 0xb9, 0x7a,
            0xc1, 0xf4, 0x3b, 0xa7, 0x8b, 0xaa, 0x89, 0xe6
        },
        .tag = {
            0xf3, 0x78, 0x87, 0xc3, 0xb0, 0x4a, 0xe7, 0x10,
            0x8c, 0x14, 0x67, 0x0b, 0x38, 0x9c, 0xc0, 0x2c
        }
    },
    {
        .name = "order-padded",
        .key = {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f
        },
        .nonce = {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e
        },
        .auth_len = 66,
        .auth = (uint8_t[]) {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
            0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
            0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
            0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
            0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
            0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
            0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
            0x40, 0x01
        },
        .message_len = 66,
        .message = (uint8_t[]) {
            0x00, 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07,
            0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f,
            0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17,
            0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f,
            0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27,
            0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f,
            0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37,
            0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f,
            0x40, 0x01
        },
        .ciphertext = (uint8_t[]) {
            0x92, 0xf0, 0xd5, 0x7c, 0x31, 0x0f, 0x73, 0x38,
            0xbb, 0xc6, 0x11, 0xfb, 0xe7, 0x49, 0xd2, 0xcd,
            0xae, 0x29, 0x67, 0xeb, 0xcd, 0xca, 0xd1, 0x07,
            0xf0, 0x2d, 0x2a, 0x14, 0x8e, 0xec, 0x4d, 0xae,
            0x92, 0xe3, 0x96, 0x65, 0x96, 0x84, 0xe3, 0x8d,
            0x48, 0x36, 0x0e, 0x11, 0xec, 0xe2, 0x0a, 0x4e,
            0xe4, 0x3c, 0xc0, 0xb5, 0xf8, 0xe7, 0xb9, 0x7a,
            0xc1, 0xf4, 0x3b, 0xa7, 0x8b, 0xaa, 0x89, 0xe6,
            0x2d, 0x48
        },
        .tag = {
            0x12, 0x99, 0x0c, 0x33, 0x41, 0x59, 0x34, 0xa7,
            0xd9, 0xa6, 0xcc, 0xb2, 0x90, 0xfe, 0x6d, 0x3d
        }
    }
};


int main()
{
    int diff = 0;

    for (const vector *v=VECTORS; v<ARRAY_END(VECTORS); v++)
    {
        uint8_t ciphertext[v->message_len];
        uint8_t tag[TAG_BYTES];

        lilliput_ae_encrypt(
            v->message_len, v->message,
            v->auth_len, v->auth,
            v->key, v->nonce,
            ciphertext,
            tag
        );

        if (memcmp(ciphertext, v->ciphertext, v->message_len) != 0)
        {
            REPORT_DIFFERENCE(v->name, "ciphertext");
            diff++;
        }

        if (memcmp(tag, v->tag, TAG_BYTES) != 0)
        {
            REPORT_DIFFERENCE(v->name, "tag");
            diff++;
        }
    }

    return diff;
}