nihilist/tor
1
0
Fork 0
mirror of https://gitlab.torproject.org/tpo/core/tor.git synced 2024-11-24 12:23:32 +01:00
Code Issues Packages Projects Releases Wiki Activity

Helper function to see if an ed25519 pk is set.

Browse Source
This commit is contained in:
Nick Mathewson 2016-09-14 14:27:44 -04:00
parent 0980787f91
commit 431565e053
2 changed files with 11 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

8
src/common/crypto_ed25519.c
View File

@ -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

3
src/common/crypto_ed25519.h
View File

@ -66,6 +66,9 @@ ed25519_checksig_prefixed(const ed25519_signature_t *signature,
const char *prefix_str,
const ed25519_public_key_t *pubkey);
int ed25519_public_key_is_zero(const ed25519_public_key_t *pubkey);
/**
* A collection of information necessary to check an Ed25519 signature. Used
* for batch verification.