Add AES-CCM and CAMELLIA-CCM to the cipher layer
diff --git a/library/cipher_wrap.c b/library/cipher_wrap.c
index a8bf4ab..e80a365 100644
--- a/library/cipher_wrap.c
+++ b/library/cipher_wrap.c
@@ -61,6 +61,10 @@
#include "polarssl/gcm.h"
#endif
+#if defined(POLARSSL_CCM_C)
+#include "polarssl/ccm.h"
+#endif
+
#if defined(POLARSSL_PLATFORM_C)
#include "polarssl/platform.h"
#else
@@ -84,6 +88,20 @@
}
#endif /* POLARSSL_GCM_C */
+#if defined(POLARSSL_CCM_C)
+/* shared by all CCM ciphers */
+static void *ccm_ctx_alloc( void )
+{
+ return polarssl_malloc( sizeof( ccm_context ) );
+}
+
+static void ccm_ctx_free( void *ctx )
+{
+ ccm_free( ctx );
+ polarssl_free( ctx );
+}
+#endif /* POLARSSL_CCM_C */
+
#if defined(POLARSSL_AES_C)
static int aes_crypt_ecb_wrap( void *ctx, operation_t operation,
@@ -378,6 +396,61 @@
};
#endif /* POLARSSL_GCM_C */
+#if defined(POLARSSL_CCM_C)
+static int ccm_aes_setkey_wrap( void *ctx, const unsigned char *key,
+ unsigned int key_length )
+{
+ return ccm_init( (ccm_context *) ctx, POLARSSL_CIPHER_ID_AES,
+ key, key_length );
+}
+
+const cipher_base_t ccm_aes_info = {
+ POLARSSL_CIPHER_ID_AES,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ ccm_aes_setkey_wrap,
+ ccm_aes_setkey_wrap,
+ ccm_ctx_alloc,
+ ccm_ctx_free,
+};
+
+const cipher_info_t aes_128_ccm_info = {
+ POLARSSL_CIPHER_AES_128_CCM,
+ POLARSSL_MODE_CCM,
+ 128,
+ "AES-128-CCM",
+ 12,
+ 1,
+ 16,
+ &ccm_aes_info
+};
+
+const cipher_info_t aes_192_ccm_info = {
+ POLARSSL_CIPHER_AES_192_CCM,
+ POLARSSL_MODE_CCM,
+ 192,
+ "AES-192-CCM",
+ 12,
+ 1,
+ 16,
+ &ccm_aes_info
+};
+
+const cipher_info_t aes_256_ccm_info = {
+ POLARSSL_CIPHER_AES_256_CCM,
+ POLARSSL_MODE_CCM,
+ 256,
+ "AES-256-CCM",
+ 12,
+ 1,
+ 16,
+ &ccm_aes_info
+};
+#endif /* POLARSSL_CCM_C */
+
#endif /* POLARSSL_AES_C */
#if defined(POLARSSL_CAMELLIA_C)
@@ -676,6 +749,61 @@
};
#endif /* POLARSSL_GCM_C */
+#if defined(POLARSSL_CCM_C)
+static int ccm_camellia_setkey_wrap( void *ctx, const unsigned char *key,
+ unsigned int key_length )
+{
+ return ccm_init( (ccm_context *) ctx, POLARSSL_CIPHER_ID_CAMELLIA,
+ key, key_length );
+}
+
+const cipher_base_t ccm_camellia_info = {
+ POLARSSL_CIPHER_ID_CAMELLIA,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ NULL,
+ ccm_camellia_setkey_wrap,
+ ccm_camellia_setkey_wrap,
+ ccm_ctx_alloc,
+ ccm_ctx_free,
+};
+
+const cipher_info_t camellia_128_ccm_info = {
+ POLARSSL_CIPHER_CAMELLIA_128_CCM,
+ POLARSSL_MODE_CCM,
+ 128,
+ "CAMELLIA-128-CCM",
+ 12,
+ 1,
+ 16,
+ &ccm_camellia_info
+};
+
+const cipher_info_t camellia_192_ccm_info = {
+ POLARSSL_CIPHER_CAMELLIA_192_CCM,
+ POLARSSL_MODE_CCM,
+ 192,
+ "CAMELLIA-192-CCM",
+ 12,
+ 1,
+ 16,
+ &ccm_camellia_info
+};
+
+const cipher_info_t camellia_256_ccm_info = {
+ POLARSSL_CIPHER_CAMELLIA_256_CCM,
+ POLARSSL_MODE_CCM,
+ 256,
+ "CAMELLIA-256-CCM",
+ 12,
+ 1,
+ 16,
+ &ccm_camellia_info
+};
+#endif /* POLARSSL_CCM_C */
+
#endif /* POLARSSL_CAMELLIA_C */
#if defined(POLARSSL_DES_C)
@@ -1217,6 +1345,11 @@
{ POLARSSL_CIPHER_AES_192_GCM, &aes_192_gcm_info },
{ POLARSSL_CIPHER_AES_256_GCM, &aes_256_gcm_info },
#endif
+#if defined(POLARSSL_CCM_C)
+ { POLARSSL_CIPHER_AES_128_CCM, &aes_128_ccm_info },
+ { POLARSSL_CIPHER_AES_192_CCM, &aes_192_ccm_info },
+ { POLARSSL_CIPHER_AES_256_CCM, &aes_256_ccm_info },
+#endif
#endif /* POLARSSL_AES_C */
#if defined(POLARSSL_ARC4_C)
@@ -1260,6 +1393,11 @@
{ POLARSSL_CIPHER_CAMELLIA_192_GCM, &camellia_192_gcm_info },
{ POLARSSL_CIPHER_CAMELLIA_256_GCM, &camellia_256_gcm_info },
#endif
+#if defined(POLARSSL_CCM_C)
+ { POLARSSL_CIPHER_CAMELLIA_128_CCM, &camellia_128_ccm_info },
+ { POLARSSL_CIPHER_CAMELLIA_192_CCM, &camellia_192_ccm_info },
+ { POLARSSL_CIPHER_CAMELLIA_256_CCM, &camellia_256_ccm_info },
+#endif
#endif /* POLARSSL_CAMELLIA_C */
#if defined(POLARSSL_DES_C)