#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;
    uint8_t *ciphertext;
    size_t ciphertext_len;
    uint8_t tag[TAG_BYTES];
    uint8_t *message;
};

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,
        },
        .ciphertext_len = 64,
        .ciphertext = (uint8_t[]) {
            0xa2, 0xd5, 0xa6, 0x38, 0xca, 0xcf, 0xce, 0x90,
            0xaf, 0xc3, 0xb8, 0x99, 0x36, 0xba, 0xf1, 0x12,
            0x94, 0x13, 0x87, 0xb8, 0x7e, 0x6c, 0x07, 0x48,
            0x25, 0x25, 0x66, 0xd8, 0xa4, 0x05, 0xc9, 0xd3,
            0xc0, 0xaa, 0x27, 0xc6, 0xa6, 0x67, 0x53, 0x8f,
            0xcc, 0xd9, 0xd3, 0xdb, 0xf5, 0xdc, 0xad, 0xa0,
            0x4b, 0x3e, 0x9a, 0xfb, 0x7c, 0xe9, 0x17, 0x9c,
            0xb8, 0x17, 0x13, 0x9f, 0x32, 0x70, 0x5c, 0x62
        },
        .tag = {
            0x04, 0xaa, 0xc8, 0x19, 0x32, 0x70, 0x32, 0x24,
            0xe8, 0x27, 0xb7, 0xab, 0xec, 0xd8, 0x2f, 0x6c
        },
        .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,
        }
    },
    {
        .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
        },
        .ciphertext_len = 66,
        .ciphertext = (uint8_t[]) {
            0xa2, 0xd5, 0xa6, 0x38, 0xca, 0xcf, 0xce, 0x90,
            0xaf, 0xc3, 0xb8, 0x99, 0x36, 0xba, 0xf1, 0x12,
            0x94, 0x13, 0x87, 0xb8, 0x7e, 0x6c, 0x07, 0x48,
            0x25, 0x25, 0x66, 0xd8, 0xa4, 0x05, 0xc9, 0xd3,
            0xc0, 0xaa, 0x27, 0xc6, 0xa6, 0x67, 0x53, 0x8f,
            0xcc, 0xd9, 0xd3, 0xdb, 0xf5, 0xdc, 0xad, 0xa0,
            0x4b, 0x3e, 0x9a, 0xfb, 0x7c, 0xe9, 0x17, 0x9c,
            0xb8, 0x17, 0x13, 0x9f, 0x32, 0x70, 0x5c, 0x62,
            0x88, 0x5a
        },
        .tag = {
            0x64, 0xa2, 0x24, 0x03, 0xc5, 0x79, 0x4f, 0xec,
            0xe7, 0x7d, 0xc1, 0xf6, 0xc9, 0xc6, 0x77, 0x2c
        },
        .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
        }
    }
};


int main()
{
    int diff = 0;

    for (const vector *v=VECTORS; v<ARRAY_END(VECTORS); v++)
    {
        uint8_t message[v->ciphertext_len];

        if (! lilliput_ae_decrypt(
                v->ciphertext_len, v->ciphertext,
                v->auth_len, v->auth,
                v->key, v->nonce,
                v->tag,
                message
            ))
        {
            REPORT_INVALID(v->name);
            diff++;
            continue;
        }

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

    return diff;
}