mirror of https://github.com/ericonr/purr-c.git
Enable IV randomization.
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@ -38,18 +38,19 @@ struct mmap_file encrypt_mmap(struct mmap_file file, uint8_t **keyp, uint8_t **i
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}
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}
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ssize_t err = getrandom(key, KEY_LEN, 0);
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ssize_t err = getrandom(key, KEY_LEN, 0);
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//ssize_t err = KEY_LEN;
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if (err != KEY_LEN) {
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if (err != KEY_LEN) {
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fputs("getrandom() error!\n", stderr);
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fputs("getrandom() error!\n", stderr);
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return rv;
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return rv;
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}
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}
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#ifndef NO_RANDOMIZE_IV
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#ifdef RANDOMIZE_IV
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err = getrandom(iv, IV_LEN, 0);
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err = getrandom(iv, IV_LEN, 0);
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memcpy(iv_throwaway, iv, IV_LEN);
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memcpy(iv_throwaway, iv, IV_LEN);
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if (err != IV_LEN) {
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if (err != IV_LEN) {
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fputs("getrandom() error!\n", stderr);
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fputs("getrandom() error!\n", stderr);
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return rv;
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return rv;
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}
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}
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#endif /* NO_RANDOMIZE_IV */
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#endif /* RANDOMIZE_IV */
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rv.data = mmap(NULL, rv.size, rv.prot, rv.flags, -1, 0);
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rv.data = mmap(NULL, rv.size, rv.prot, rv.flags, -1, 0);
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if (ERROR_MMAP(rv)) {
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if (ERROR_MMAP(rv)) {
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2
purr.h
2
purr.h
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@ -18,7 +18,7 @@
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#define KEY_LEN 32
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#define KEY_LEN 32
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#define IV_LEN br_aes_big_BLOCK_SIZE
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#define IV_LEN br_aes_big_BLOCK_SIZE
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#define NO_RANDOMIZE_IV
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#define RANDOMIZE_IV
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#define ENCODE_BASE_64
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#define ENCODE_BASE_64
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#define RESET_MMAP(file) do{(file).offset = 0; (file).cursor = 0}while(0);
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#define RESET_MMAP(file) do{(file).offset = 0; (file).cursor = 0}while(0);
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