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| /* minimal-save-generator -- Minimal Save Generator | ||
| * | ||
| * Generates a minimal Tox savedata file that can be used in clients. | ||
| * Prints the savedata file to stderr, prints information to stdout. | ||
| * | ||
| * Requires sodium library. | ||
| * | ||
| * Usage: minimal-save-generator 2> profile.tox | ||
| * | ||
| * Compile: gcc minimal-save-generator.c -o minimal-save-generator -lsodium | ||
| */ | ||
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| #include <stdio.h> | ||
| #include <string.h> | ||
| #include <ctype.h> | ||
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| #include <sodium.h> | ||
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| int main(void) | ||
| { | ||
| unsigned char public_key[crypto_box_PUBLICKEYBYTES]; | ||
| unsigned char secret_key[crypto_box_SECRETKEYBYTES]; | ||
| crypto_box_keypair(public_key, secret_key); | ||
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| // print new tox savedata to stderr | ||
| char tox_file[] = "\x00\x00\x00\x00\x1f\x1b\xed\x15\x44\x00\x00\x00\x01\x00\xce\x01\x00\x00\x00\x00"; | ||
| fwrite(tox_file, sizeof(tox_file) - 1, 1, stderr); | ||
| fwrite(public_key, sizeof(public_key), 1, stderr); | ||
| fwrite(secret_key, sizeof(secret_key), 1, stderr); | ||
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| // print info on it to stdout | ||
| char public_key_str[crypto_box_PUBLICKEYBYTES * 2 + 1]; | ||
| char secret_key_str[crypto_box_SECRETKEYBYTES * 2 + 1]; | ||
| sodium_bin2hex(public_key_str, sizeof(public_key_str), public_key, sizeof(public_key)); | ||
| sodium_bin2hex(secret_key_str, sizeof(secret_key_str), secret_key, sizeof(secret_key)); | ||
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| for (size_t i = 0; i < sizeof(public_key_str); i ++) { | ||
| public_key_str[i] = toupper(public_key_str[i]); | ||
| secret_key_str[i] = toupper(secret_key_str[i]); | ||
| } | ||
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| fprintf(stdout, "Public key: %s\n", public_key_str); | ||
| fprintf(stdout, "Secret key: %s\n", secret_key_str); | ||
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| // calculate checksum for tox id printing | ||
| unsigned char checksum[2] = {0}; | ||
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| for (size_t i = 0; i < crypto_box_PUBLICKEYBYTES; i ++) { | ||
| checksum[i % 2] ^= public_key[i]; | ||
| } | ||
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| char checksum_str[sizeof(checksum) * 2 + 1]; | ||
| sodium_bin2hex(checksum_str, sizeof(checksum_str), checksum, sizeof(checksum)); | ||
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| for (size_t i = 0; i < sizeof(checksum_str); i ++) { | ||
| checksum_str[i] = toupper(checksum_str[i]); | ||
| } | ||
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| fprintf(stdout, "Tox Id: %s00000000%s\n", public_key_str, checksum_str); | ||
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| return 0; | ||
| } |