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-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 00000000..3051101d
--- /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);