From b3be504e841be55f917a3841d9cddf4ce076cc04 Mon Sep 17 00:00:00 2001 From: Paul Fariello Date: Thu, 7 Mar 2019 19:04:33 +0140 Subject: Add OMEMO fingerprint command --- src/omemo/omemo.c | 51 +++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 51 insertions(+) (limited to 'src/omemo/omemo.c') diff --git a/src/omemo/omemo.c b/src/omemo/omemo.c index 3a771b6b..b293022f 100644 --- a/src/omemo/omemo.c +++ b/src/omemo/omemo.c @@ -679,6 +679,57 @@ omemo_on_message_recv(const char *const from, uint32_t sid, } +char * +omemo_format_fingerprint(const char *const fingerprint) +{ + char *output = malloc(strlen(fingerprint) + strlen(fingerprint) / 8 + 1); + + int i, j; + for (i = 0, j = 0; i < strlen(fingerprint); i++) { + if (i > 0 && i % 8 == 0) { + output[j++] = '-'; + } + output[j++] = fingerprint[i]; + } + + output[strlen(fingerprint) + strlen(fingerprint) / 8] = '\0'; + + return output; +} + +char * +omemo_own_fingerprint() +{ + signal_buffer *public = omemo_ctx.identity_key_store.public; + /* Skip first byte corresponding to signal base type */ + return omemo_fingerprint(signal_buffer_data(public) + 1, signal_buffer_len(public) - 1); +} + +char * +omemo_fingerprint(const unsigned char *const identity_key_public, size_t len) +{ + int i; + char *fingerprint = malloc(len * 2 + 1); + + for (i = 0; i < len; i++) { + fingerprint[i * 2] = (identity_key_public[i] & 0xf0) >> 4; + fingerprint[i * 2] += 0x30; + if (fingerprint[i * 2] > 0x39) { + fingerprint[i * 2] += 0x27; + } + + fingerprint[(i * 2) + 1] = identity_key_public[i] & 0x0f; + fingerprint[(i * 2) + 1] += 0x30; + if (fingerprint[(i * 2) + 1] > 0x39) { + fingerprint[(i * 2) + 1] += 0x27; + } + } + + fingerprint[len * 2] = '\0'; + + return fingerprint; +} + static void lock(void *user_data) { -- cgit 1.4.1-2-gfad0 class='right' method='get' action='/danisanti/profani-tty/log/tests/functionaltests/test_roster.h'>

path: root/tests/functionaltests/test_roster.h

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