From 20e28d2b0f4ae522cf14abcc5a29f9ade24f217b Mon Sep 17 00:00:00 2001 From: "Jason A. Donenfeld" Date: Fri, 3 Apr 2020 23:14:07 -0600 Subject: highlighter: insist on 256-bit keys, not 257-bit or 258-bit Signed-off-by: Jason A. Donenfeld --- contrib/highlighter/highlighter.c | 23 ++++++++++++++++++++++- 1 file changed, 22 insertions(+), 1 deletion(-) (limited to 'contrib/highlighter') diff --git a/contrib/highlighter/highlighter.c b/contrib/highlighter/highlighter.c index 9f0e53a..e0d4e04 100644 --- a/contrib/highlighter/highlighter.c +++ b/contrib/highlighter/highlighter.c @@ -62,11 +62,32 @@ static bool is_valid_key(string_span_t s) if (s.len != 44 || s.s[43] != '=') return false; - for (size_t i = 0; i < 43; ++i) { + for (size_t i = 0; i < 42; ++i) { if (!is_decimal(s.s[i]) && !is_alphabet(s.s[i]) && s.s[i] != '/' && s.s[i] != '+') return false; } + switch (s.s[42]) { + case 'A': + case 'E': + case 'I': + case 'M': + case 'Q': + case 'U': + case 'Y': + case 'c': + case 'g': + case 'k': + case 'o': + case 's': + case 'w': + case '4': + case '8': + case '0': + break; + default: + return false; + } return true; } -- cgit v1.2.3-59-g8ed1b