commit 2cdd24ddd69a3cde2deae3eb69c24ae179d83834 Author: Nick Mathewson <nickm@torproject.org> Date: Thu Nov 10 10:43:28 2016 -0500 Helper function for logging ed25519 public keys. --- src/common/crypto_format.c | 16 ++++++++++++++++ src/common/crypto_format.h | 1 + 2 files changed, 17 insertions(+) diff --git a/src/common/crypto_format.c b/src/common/crypto_format.c index 2f6d847..483013e 100644 --- a/src/common/crypto_format.c +++ b/src/common/crypto_format.c @@ -161,6 +161,22 @@ curve25519_public_from_base64(curve25519_public_key_t *pkey, } } +/** For convenience: Convert <b>pkey</b> to a statically allocated base64 + * string and return it. Not threadsafe. Subsequent calls invalidate + * previous returns. */ +const char * +ed25519_fmt(const ed25519_public_key_t *pkey) +{ + static char formatted[ED25519_BASE64_LEN+1]; + if (pkey) { + 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. */ diff --git a/src/common/crypto_format.h b/src/common/crypto_format.h index 012e228..86c29d3 100644 --- a/src/common/crypto_format.h +++ b/src/common/crypto_format.h @@ -28,6 +28,7 @@ int ed25519_public_from_base64(ed25519_public_key_t *pkey, const char *input); int ed25519_public_to_base64(char *output, const ed25519_public_key_t *pkey); +const char *ed25519_fmt(const ed25519_public_key_t *pkey); /* XXXX move these to crypto_format.h */ #define ED25519_SIG_BASE64_LEN 86