#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[]) {
            0xd2, 0xff, 0x52, 0x66, 0xd4, 0xe9, 0x1f, 0x54,
            0x27, 0x55, 0xf3, 0x6d, 0x7f, 0xb8, 0xcd, 0x32,
            0x5d, 0x78, 0xb6, 0x50, 0x16, 0x49, 0xea, 0xf9,
            0xb6, 0x3d, 0x09, 0x35, 0x24, 0xc3, 0xea, 0x51,
            0x6e, 0xa0, 0x4e, 0x5c, 0xd4, 0x1a, 0x6b, 0x3d,
            0x2f, 0x91, 0x26, 0x7a, 0xff, 0xc1, 0xa2, 0xa4,
            0x17, 0x53, 0xed, 0x39, 0xbe, 0x2d, 0x81, 0xcf,
            0x4d, 0x32, 0xb2, 0x91, 0xe5, 0xee, 0xd8, 0xd2
        },
        .tag = {
            0x11, 0x21, 0x9f, 0x1e, 0x94, 0x0a, 0x7c, 0x80,
            0x65, 0xc2, 0x92, 0xf7, 0xc1, 0xc1, 0x18, 0x91
        }
    },
    {
        .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[]) {
            0xd2, 0xff, 0x52, 0x66, 0xd4, 0xe9, 0x1f, 0x54,
            0x27, 0x55, 0xf3, 0x6d, 0x7f, 0xb8, 0xcd, 0x32,
            0x5d, 0x78, 0xb6, 0x50, 0x16, 0x49, 0xea, 0xf9,
            0xb6, 0x3d, 0x09, 0x35, 0x24, 0xc3, 0xea, 0x51,
            0x6e, 0xa0, 0x4e, 0x5c, 0xd4, 0x1a, 0x6b, 0x3d,
            0x2f, 0x91, 0x26, 0x7a, 0xff, 0xc1, 0xa2, 0xa4,
            0x17, 0x53, 0xed, 0x39, 0xbe, 0x2d, 0x81, 0xcf,
            0x4d, 0x32, 0xb2, 0x91, 0xe5, 0xee, 0xd8, 0xd2,
            0xea, 0xbc
        },
        .tag = {
            0x72, 0x4b, 0xd9, 0x6a, 0x6c, 0xff, 0xc7, 0x32,
            0x11, 0xe7, 0x56, 0xe1, 0xb1, 0xb8, 0x47, 0x4a
        }
    }
};


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");
            dump_c_initializer(v->message_len, ciphertext);
            diff++;
        }

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

    return diff;
}