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authorigrkir <i.kirillov@kryptonite.ru>2022-09-23 15:32:21 +0300
committerDmitry Belyavskiy <beldmit@users.noreply.github.com>2022-12-02 18:56:55 +0100
commit39dc6de6a9474e10560ebfb0a9cecc05867b9c7b (patch)
tree6fa646e6b18d5f43afe56fa9d8db64b042b710c0 /gost_grasshopper_cipher.h
parent97b3db1ebf985b73718faaae6c425782d526d44f (diff)
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Implementation of the MGM mode for magma/kuznyechik
first implemented in ossl_patched branch uses dynamic NIDs Signed-off-by: Sergei Ianovich <sergei.ianovich@ya.ru>
Diffstat (limited to 'gost_grasshopper_cipher.h')
-rw-r--r--gost_grasshopper_cipher.h13
1 files changed, 13 insertions, 0 deletions
diff --git a/gost_grasshopper_cipher.h b/gost_grasshopper_cipher.h
index ecaf1c7..a3a6470 100644
--- a/gost_grasshopper_cipher.h
+++ b/gost_grasshopper_cipher.h
@@ -6,12 +6,15 @@
#ifndef GOST_GRASSHOPPER_CIPHER_H
#define GOST_GRASSHOPPER_CIPHER_H
+#define SN_kuznyechik_mgm "kuznyechik-mgm"
+
#if defined(__cplusplus)
extern "C" {
#endif
#include "gost_grasshopper_defines.h"
+#include "gost_lcl.h"
#include <openssl/evp.h>
// not thread safe
@@ -60,6 +63,9 @@ static int gost_grasshopper_cipher_init_ctracpkm(EVP_CIPHER_CTX* ctx,
static int gost_grasshopper_cipher_init_ctracpkm_omac(EVP_CIPHER_CTX* ctx,
const unsigned char* key, const unsigned char* iv, int enc);
+static int gost_grasshopper_cipher_init_mgm(EVP_CIPHER_CTX* ctx,
+ const unsigned char* key, const unsigned char* iv, int enc);
+
static int gost_grasshopper_cipher_init(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv, int enc);
@@ -87,14 +93,21 @@ static int gost_grasshopper_cipher_do_ctracpkm(EVP_CIPHER_CTX* ctx, unsigned cha
static int gost_grasshopper_cipher_do_ctracpkm_omac(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl);
+static int gost_grasshopper_cipher_do_mgm(EVP_CIPHER_CTX* ctx, unsigned char* out,
+ const unsigned char* in, size_t inl);
+
static int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx);
+static int gost_grasshopper_mgm_cleanup(EVP_CIPHER_CTX *c);
+
static int gost_grasshopper_set_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params);
static int gost_grasshopper_get_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params);
static int gost_grasshopper_cipher_ctl(EVP_CIPHER_CTX* ctx, int type, int arg, void* ptr);
+static int gost_grasshopper_mgm_ctrl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
+
const EVP_CIPHER* cipher_gost_grasshopper_ctracpkm();
#if defined(__cplusplus)