From 39dc6de6a9474e10560ebfb0a9cecc05867b9c7b Mon Sep 17 00:00:00 2001 From: igrkir Date: Fri, 23 Sep 2022 15:32:21 +0300 Subject: Implementation of the MGM mode for magma/kuznyechik first implemented in ossl_patched branch uses dynamic NIDs Signed-off-by: Sergei Ianovich --- gost_grasshopper_cipher.h | 13 +++++++++++++ 1 file changed, 13 insertions(+) (limited to 'gost_grasshopper_cipher.h') 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 // 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) -- cgit v1.1