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authorMax <msuraev@sysmocom.de>2016-06-30 10:39:00 +0200
committerHarald Welte <laforge@gnumonks.org>2016-07-11 19:15:24 +0000
commit4f169500df996d0a7a804da77bae07b2ecd0d813 (patch)
treea7904447e291f1782837d03e4702543541d10b30 /include/osmocom/gsm/gea.h
parent02a66728856d6a111ef61eca2cc052df052579a9 (diff)
Add GEA3 & GEA4 ciphers
Corresponding test code include both official test vectors from the specs and data from over-the-air tests. This obsoletes libosmo-crypt-a53 as it was last missing piece unimplemented in libosmogsm. Change-Id: I939e4f6b91b4a7c591ef3761fe2d46ed1c2fb2d3 Related: OS#1582
Diffstat (limited to 'include/osmocom/gsm/gea.h')
-rw-r--r--include/osmocom/gsm/gea.h17
1 files changed, 17 insertions, 0 deletions
diff --git a/include/osmocom/gsm/gea.h b/include/osmocom/gsm/gea.h
new file mode 100644
index 0000000..3051101
--- /dev/null
+++ b/include/osmocom/gsm/gea.h
@@ -0,0 +1,17 @@
+/*
+ * GEA3 header
+ *
+ * See gea.c for details
+ */
+
+#pragma once
+
+#include <osmocom/crypt/gprs_cipher.h>
+
+#include <stdint.h>
+
+int gea3(uint8_t *out, uint16_t len, uint8_t *kc, uint32_t iv,
+ enum gprs_cipher_direction direct);
+
+int gea4(uint8_t *out, uint16_t len, uint8_t *kc, uint32_t iv,
+ enum gprs_cipher_direction direct);