Add current version of libSRTP from CVS.

libsrtp/crypto/include/aes_icm.h

+/*
+ * aes_icm.h
+ *
+ * Header for AES Integer Counter Mode.
+ *
+ * David A. McGrew
+ * Cisco Systems, Inc.
+ *
+ */
+
+#ifndef AES_ICM_H
+#define AES_ICM_H
+
+#include "aes.h"
+#include "cipher.h"
+
+typedef struct {
+  v128_t   counter;                /* holds the counter value          */
+  v128_t   offset;                 /* initial offset value             */
+  v128_t   keystream_buffer;       /* buffers bytes of keystream       */
+  aes_expanded_key_t expanded_key; /* the cipher key                   */
+  int      bytes_in_buffer;        /* number of unused bytes in buffer */
+} aes_icm_ctx_t;
+
+
+err_status_t
+aes_icm_context_init(aes_icm_ctx_t *c,
+                     const unsigned char *key,
+                     int key_len); 
+
+err_status_t
+aes_icm_set_iv(aes_icm_ctx_t *c, void *iv);
+
+err_status_t
+aes_icm_encrypt(aes_icm_ctx_t *c,
+                unsigned char *buf, unsigned int *bytes_to_encr);
+
+err_status_t
+aes_icm_output(aes_icm_ctx_t *c,
+               unsigned char *buf, int bytes_to_output);
+
+err_status_t 
+aes_icm_dealloc(cipher_t *c);
+ 
+err_status_t 
+aes_icm_encrypt_ismacryp(aes_icm_ctx_t *c, 
+                         unsigned char *buf, 
+                         unsigned int *enc_len, 
+                         int forIsmacryp);
+ 
+err_status_t 
+aes_icm_alloc_ismacryp(cipher_t **c, 
+                       int key_len, 
+                       int forIsmacryp);
+
+#endif /* AES_ICM_H */
+