diff options
Diffstat (limited to 'src/common/crypto_format.c')
| -rw-r--r-- | src/common/crypto_format.c | 21 |
1 files changed, 21 insertions, 0 deletions
diff --git a/src/common/crypto_format.c b/src/common/crypto_format.c index 2f6d847c83..aa2a9d1fb0 100644 --- a/src/common/crypto_format.c +++ b/src/common/crypto_format.c @@ -161,6 +161,27 @@ curve25519_public_from_base64(curve25519_public_key_t *pkey, } } +/** For logging convenience: Convert <b>pkey</b> to a statically allocated + * base64 string and return it. Not threadsafe. Format not meant to be + * computer-readable; it may change in the future. Subsequent calls invalidate + * previous returns. */ +const char * +ed25519_fmt(const ed25519_public_key_t *pkey) +{ + static char formatted[ED25519_BASE64_LEN+1]; + if (pkey) { + if (ed25519_public_key_is_zero(pkey)) { + strlcpy(formatted, "<unset>", sizeof(formatted)); + } else { + int r = ed25519_public_to_base64(formatted, pkey); + tor_assert(!r); + } + } else { + strlcpy(formatted, "<null>", sizeof(formatted)); + } + return formatted; +} + /** Try to decode the string <b>input</b> into an ed25519 public key. On * success, store the value in <b>pkey</b> and return 0. Otherwise return * -1. */ |