Add CRYPTO_gcm128_tag() function to retrieve the tag.

[openssl.git] / crypto / modes / modes.h

diff --git a/crypto/modes/modes.h b/crypto/modes/modes.h
index b70942bd78be31d160c00989b12f43b9177e29ba..1af06efbfbb048345679ebd657f49f03028947d2 100644 (file)
--- a/crypto/modes/modes.h
+++ b/crypto/modes/modes.h
@@ -15,6 +15,10 @@ typedef void (*cbc128_f)(const unsigned char *in, unsigned char *out,
                        size_t len, const void *key,
                        unsigned char ivec[16], int enc);
 
+typedef void (*ctr128_f)(const unsigned char *in, unsigned char *out,
+                       size_t blocks, const void *key,
+                       const unsigned char ivec[16]);
+
 void CRYPTO_cbc128_encrypt(const unsigned char *in, unsigned char *out,
                        size_t len, const void *key,
                        unsigned char ivec[16], block128_f block);
@@ -27,6 +31,11 @@ void CRYPTO_ctr128_encrypt(const unsigned char *in, unsigned char *out,
                        unsigned char ivec[16], unsigned char ecount_buf[16],
                        unsigned int *num, block128_f block);
 
+void CRYPTO_ctr128_encrypt_ctr32(const unsigned char *in, unsigned char *out,
+                       size_t len, const void *key,
+                       unsigned char ivec[16], unsigned char ecount_buf[16],
+                       unsigned int *num, ctr128_f ctr);
+
 void CRYPTO_ofb128_encrypt(const unsigned char *in, unsigned char *out,
                        size_t len, const void *key,
                        unsigned char ivec[16], int *num,
@@ -73,15 +82,25 @@ size_t CRYPTO_nistcts128_decrypt(const unsigned char *in, unsigned char *out,
 
 typedef struct gcm128_context GCM128_CONTEXT;
 
-void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx, void *key, block128_f block);
+GCM128_CONTEXT *CRYPTO_gcm128_new(void *key, block128_f block);
+void CRYPTO_gcm128_init(GCM128_CONTEXT *ctx,void *key,block128_f block);
 void CRYPTO_gcm128_setiv(GCM128_CONTEXT *ctx, const unsigned char *iv,
-                        size_t len);
+                       size_t len);
 void CRYPTO_gcm128_aad(GCM128_CONTEXT *ctx, const unsigned char *aad,
-                      size_t len);
+                       size_t len);
 void CRYPTO_gcm128_encrypt(GCM128_CONTEXT *ctx,
-                          const unsigned char *in, unsigned char *out,
-                          size_t len);
+                       const unsigned char *in, unsigned char *out,
+                       size_t len);
 void CRYPTO_gcm128_decrypt(GCM128_CONTEXT *ctx,
-                          const unsigned char *in, unsigned char *out,
-                          size_t len);
-void CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx);
+                       const unsigned char *in, unsigned char *out,
+                       size_t len);
+void CRYPTO_gcm128_encrypt_ctr32(GCM128_CONTEXT *ctx,
+                       const unsigned char *in, unsigned char *out,
+                       size_t len, ctr128_f stream);
+void CRYPTO_gcm128_decrypt_ctr32(GCM128_CONTEXT *ctx,
+                       const unsigned char *in, unsigned char *out,
+                       size_t len, ctr128_f stream);
+int  CRYPTO_gcm128_finish(GCM128_CONTEXT *ctx,const unsigned char *tag,
+                       size_t len);
+void  CRYPTO_gcm128_tag(GCM128_CONTEXT *ctx, unsigned char *tag, size_t len);
+void CRYPTO_gcm128_release(GCM128_CONTEXT *ctx);