365add06f7
Thanks to Argon hashing, this is intolerably slow under valgrind, and times out under CI. Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
51 lines
1.5 KiB
C
51 lines
1.5 KiB
C
#include "config.h"
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#include <assert.h>
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#include <ccan/mem/mem.h>
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#include <common/hsm_encryption.h>
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#include <common/setup.h>
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#include <stdlib.h>
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#include <tests/fuzz/libfuzz.h>
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void init(int *argc, char ***argv)
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{
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/* Don't run as a unit test under valgrind: too slow! */
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#ifndef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION
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if (getenv("VALGRIND") && strcmp(getenv("VALGRIND"), "1") == 0) {
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common_shutdown();
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exit(0);
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}
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#endif
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}
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void run(const uint8_t *data, size_t size)
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{
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/* 4294967295 is crypto_pwhash_argon2id_PASSWD_MAX. libfuzzer won't
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* generate inputs that large in practice, but hey. */
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if (size > 32 && size < 4294967295) {
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struct secret *hsm_secret, decrypted_hsm_secret, encryption_key;
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char *passphrase;
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struct encrypted_hsm_secret encrypted_secret;
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const char *emsg;
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/* Take the first 32 bytes as the plaintext hsm_secret seed,
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* and the remaining ones as the passphrase. */
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hsm_secret = (struct secret *)tal_dup_arr(NULL, u8, data, 32, 0);
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passphrase = to_string(NULL, data + 32, size - 32);
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/* A valid seed, a valid passphrase. This should not fail. */
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assert(!hsm_secret_encryption_key_with_exitcode(passphrase, &encryption_key, &emsg));
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/* Roundtrip */
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assert(encrypt_hsm_secret(&encryption_key, hsm_secret,
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&encrypted_secret));
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assert(decrypt_hsm_secret(&encryption_key, &encrypted_secret,
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&decrypted_hsm_secret));
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assert(memeq(hsm_secret->data, sizeof(hsm_secret->data),
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decrypted_hsm_secret.data,
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sizeof(decrypted_hsm_secret.data)));
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tal_free(hsm_secret);
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tal_free(passphrase);
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}
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}
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