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| author | Nick Mathewson <nickm@torproject.org> | 2016-09-14 14:27:44 -0400 |
|---|---|---|
| committer | Nick Mathewson <nickm@torproject.org> | 2016-11-10 09:43:27 -0500 |
| commit | 431565e0531eb6cfdaabd2bba8912655898f079b (patch) | |
| tree | 7bf28c19c98ddc2b67e972a879cc930901c9e0b8 /src/common/crypto_ed25519.c | |
| parent | 0980787f91cfc420f02dead3fea99882ab8c2ada (diff) | |
| download | tor-431565e0531eb6cfdaabd2bba8912655898f079b.tar.gz tor-431565e0531eb6cfdaabd2bba8912655898f079b.zip | |
Helper function to see if an ed25519 pk is set.
Diffstat (limited to 'src/common/crypto_ed25519.c')
| -rw-r--r-- | src/common/crypto_ed25519.c | 8 |
1 files changed, 8 insertions, 0 deletions
diff --git a/src/common/crypto_ed25519.c b/src/common/crypto_ed25519.c index 30ed772274..809ad12478 100644 --- a/src/common/crypto_ed25519.c +++ b/src/common/crypto_ed25519.c @@ -211,6 +211,14 @@ ed25519_keypair_generate(ed25519_keypair_t *keypair_out, int extra_strong) return 0; } +/** Return true iff 'pubkey' is set to zero (eg to indicate that it is not + * set). */ +int +ed25519_public_key_is_zero(const ed25519_public_key_t *pubkey) +{ + return tor_mem_is_zero((char*)pubkey->pubkey, ED25519_PUBKEY_LEN); +} + /* Return a heap-allocated array that contains <b>msg</b> prefixed by the * string <b>prefix_str</b>. Set <b>final_msg_len_out</b> to the size of the * final array. If an error occured, return NULL. It's the resonsibility of the |