gost_grasshopper_cipher_do_ctr,
gost_grasshopper_cipher_destroy_ctr,
1,
- sizeof(gost_grasshopper_cipher_ctx),
+ sizeof(gost_grasshopper_cipher_ctx_ctr),
8,
false
},
};
/* Set 256 bit key into context */
-static GRASSHOPPER_INLINE void gost_grasshopper_cipher_key(gost_grasshopper_cipher_ctx* c, const uint8_t* k) {
- for (int i = 0; i < 2; i++) {
+GRASSHOPPER_INLINE void gost_grasshopper_cipher_key(gost_grasshopper_cipher_ctx* c, const uint8_t* k) {
+ int i;
+ for (i = 0; i < 2; i++) {
grasshopper_copy128(&c->key.k.k[i], (const grasshopper_w128_t*) (k + i * 16));
}
grasshopper_set_encrypt_key(&c->encrypt_round_keys, &c->key);
}
/* Cleans up key from context */
-static GRASSHOPPER_INLINE void gost_grasshopper_cipher_destroy(gost_grasshopper_cipher_ctx* c) {
- for (int i = 0; i < 2; i++) {
+GRASSHOPPER_INLINE void gost_grasshopper_cipher_destroy(gost_grasshopper_cipher_ctx* c) {
+ int i;
+ for (i = 0; i < 2; i++) {
grasshopper_zero128(&c->key.k.k[i]);
}
- for (int i = 0; i < GRASSHOPPER_ROUND_KEYS_COUNT; i++) {
+ for (i = 0; i < GRASSHOPPER_ROUND_KEYS_COUNT; i++) {
grasshopper_zero128(&c->encrypt_round_keys.k[i]);
}
- for (int i = 0; i < GRASSHOPPER_ROUND_KEYS_COUNT; i++) {
+ for (i = 0; i < GRASSHOPPER_ROUND_KEYS_COUNT; i++) {
grasshopper_zero128(&c->decrypt_round_keys.k[i]);
}
grasshopper_zero128(&c->buffer);
ctx->counter = 0;
}
-static int gost_grasshopper_cipher_init(EVP_CIPHER_CTX* ctx, const unsigned char* key,
+int gost_grasshopper_cipher_init(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv, int enc) {
- gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_get_cipher_data(ctx);
if (EVP_CIPHER_CTX_get_app_data(ctx) == NULL) {
- EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_cipher_data(ctx));
+ EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_get_cipher_data(ctx));
}
if (key != NULL) {
return 1;
}
-static GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_ecb(EVP_CIPHER_CTX* ctx, const unsigned char* key,
+GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_ecb(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv,
int enc) {
- gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_get_cipher_data(ctx);
c->type = GRASSHOPPER_CIPHER_ECB;
return gost_grasshopper_cipher_init(ctx, key, iv, enc);
}
-static GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_cbc(EVP_CIPHER_CTX* ctx, const unsigned char* key,
+GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_cbc(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv,
int enc) {
- gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_get_cipher_data(ctx);
c->type = GRASSHOPPER_CIPHER_CBC;
return gost_grasshopper_cipher_init(ctx, key, iv, enc);
}
-static GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_ofb(EVP_CIPHER_CTX* ctx, const unsigned char* key,
+GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_ofb(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv,
int enc) {
- gost_grasshopper_cipher_ctx_ofb* c = EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx_ofb* c = EVP_CIPHER_CTX_get_cipher_data(ctx);
c->c.type = GRASSHOPPER_CIPHER_OFB;
return gost_grasshopper_cipher_init(ctx, key, iv, enc);
}
-static GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_cfb(EVP_CIPHER_CTX* ctx, const unsigned char* key,
+GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_cfb(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv,
int enc) {
- gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = EVP_CIPHER_CTX_get_cipher_data(ctx);
c->type = GRASSHOPPER_CIPHER_CFB;
return gost_grasshopper_cipher_init(ctx, key, iv, enc);
}
-static GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_ctr(EVP_CIPHER_CTX* ctx, const unsigned char* key,
+GRASSHOPPER_INLINE int gost_grasshopper_cipher_init_ctr(EVP_CIPHER_CTX* ctx, const unsigned char* key,
const unsigned char* iv,
int enc) {
- gost_grasshopper_cipher_ctx_ctr* c = EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx_ctr* c = EVP_CIPHER_CTX_get_cipher_data(ctx);
c->c.type = GRASSHOPPER_CIPHER_CTR;
return gost_grasshopper_cipher_init(ctx, key, iv, enc);
}
-static GRASSHOPPER_INLINE int gost_grasshopper_cipher_do(EVP_CIPHER_CTX* ctx, unsigned char* out,
+GRASSHOPPER_INLINE int gost_grasshopper_cipher_do(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl) {
- gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);
struct GRASSHOPPER_CIPHER_PARAMS* params = &gost_cipher_params[c->type];
return params->do_cipher(ctx, out, in, inl);
}
-static int gost_grasshopper_cipher_do_ecb(EVP_CIPHER_CTX* ctx, unsigned char* out,
+int gost_grasshopper_cipher_do_ecb(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl) {
- gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);
bool encrypting = (bool) EVP_CIPHER_CTX_encrypting(ctx);
const unsigned char* current_in = in;
unsigned char* current_out = out;
return 1;
}
-static int gost_grasshopper_cipher_do_cbc(EVP_CIPHER_CTX* ctx, unsigned char* out,
+int gost_grasshopper_cipher_do_cbc(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl) {
- gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);
unsigned char* iv = EVP_CIPHER_CTX_iv_noconst(ctx);
bool encrypting = (bool) EVP_CIPHER_CTX_encrypting(ctx);
const unsigned char* current_in = in;
return 1;
}
-static int gost_grasshopper_cipher_do_ctr(EVP_CIPHER_CTX* ctx, unsigned char* out,
+int gost_grasshopper_cipher_do_ctr(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl) {
- gost_grasshopper_cipher_ctx_ctr* c = (gost_grasshopper_cipher_ctx_ctr*) EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx_ctr* c = (gost_grasshopper_cipher_ctx_ctr*) EVP_CIPHER_CTX_get_cipher_data(ctx);
unsigned char* iv = EVP_CIPHER_CTX_iv_noconst(ctx);
const unsigned char* current_in = in;
unsigned char* current_out = out;
grasshopper_w128_t* currentInputBlock;
grasshopper_w128_t* currentOutputBlock;
size_t lasted;
+ size_t i;
memcpy(&c->iv_buffer, iv, 8);
// full parts
- for (size_t i = 0; i < blocks; i++, current_in += GRASSHOPPER_BLOCK_SIZE, current_out += GRASSHOPPER_BLOCK_SIZE) {
+ for (i = 0; i < blocks; i++) {
currentInputBlock = (grasshopper_w128_t*) current_in;
currentOutputBlock = (grasshopper_w128_t*) current_out;
memcpy(c->iv_buffer.b + 8, &c->counter, 8);
grasshopper_encrypt_block(&c->c.encrypt_round_keys, &c->iv_buffer, currentOutputBlock, &c->c.buffer);
grasshopper_append128(currentOutputBlock, currentInputBlock);
c->counter += 1;
+ current_in += GRASSHOPPER_BLOCK_SIZE;
+ current_out += GRASSHOPPER_BLOCK_SIZE;
}
// last part
currentOutputBlock = (grasshopper_w128_t*) current_out;
memcpy(c->iv_buffer.b + 8, &c->counter, 8);
grasshopper_encrypt_block(&c->c.encrypt_round_keys, &c->iv_buffer, &c->partial_buffer, &c->c.buffer);
- for (size_t i = 0; i < lasted; i++) {
+ for (i = 0; i < lasted; i++) {
currentOutputBlock->b[i] = c->partial_buffer.b[i] ^ currentInputBlock->b[i];
}
c->counter += 1;
grasshopper_encrypt_block(&ctx->c.encrypt_round_keys, &ctx->buffer1, buf, &ctx->c.buffer);
}
-static int gost_grasshopper_cipher_do_ofb(EVP_CIPHER_CTX* ctx, unsigned char* out,
+int gost_grasshopper_cipher_do_ofb(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl) {
- gost_grasshopper_cipher_ctx_ofb* c = (gost_grasshopper_cipher_ctx_ofb*) EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx_ofb* c = (gost_grasshopper_cipher_ctx_ofb*) EVP_CIPHER_CTX_get_cipher_data(ctx);
const unsigned char* in_ptr = in;
unsigned char* out_ptr = out;
unsigned char* buf = EVP_CIPHER_CTX_buf_noconst(ctx);
return 1;
}
-static int gost_grasshopper_cipher_do_cfb(EVP_CIPHER_CTX* ctx, unsigned char* out,
+int gost_grasshopper_cipher_do_cfb(EVP_CIPHER_CTX* ctx, unsigned char* out,
const unsigned char* in, size_t inl) {
- gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_cipher_data(ctx);
+ gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);
const unsigned char* in_ptr = in;
unsigned char* out_ptr = out;
unsigned char* buf = EVP_CIPHER_CTX_buf_noconst(ctx);
return 1;
}
-static int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx) {
- gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_cipher_data(ctx);
+int gost_grasshopper_cipher_cleanup(EVP_CIPHER_CTX* ctx) {
+ gost_grasshopper_cipher_ctx* c = (gost_grasshopper_cipher_ctx*) EVP_CIPHER_CTX_get_cipher_data(ctx);
struct GRASSHOPPER_CIPHER_PARAMS* params = &gost_cipher_params[c->type];
gost_grasshopper_cipher_destroy(c);
return 1;
}
-static int gost_grasshopper_set_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params) {
+int gost_grasshopper_set_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params) {
int len = 0;
unsigned char* buf = NULL;
unsigned char* p = NULL;
return 1;
}
-static GRASSHOPPER_INLINE int gost_grasshopper_get_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params) {
+GRASSHOPPER_INLINE int gost_grasshopper_get_asn1_parameters(EVP_CIPHER_CTX* ctx, ASN1_TYPE* params) {
int ret = -1;
if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE) {
return 1;
}
-static int gost_grasshopper_cipher_ctl(EVP_CIPHER_CTX* ctx, int type, int arg, void* ptr) {
+int gost_grasshopper_cipher_ctl(EVP_CIPHER_CTX* ctx, int type, int arg, void* ptr) {
switch (type) {
case EVP_CTRL_RAND_KEY: {
if (RAND_bytes((unsigned char*) ptr, EVP_CIPHER_CTX_key_length(ctx)) <= 0) {
return 1;
}
-static GRASSHOPPER_INLINE EVP_CIPHER* cipher_gost_grasshopper_create(int cipher_type, int block_size) {
+GRASSHOPPER_INLINE EVP_CIPHER* cipher_gost_grasshopper_create(int cipher_type, int block_size) {
return EVP_CIPHER_meth_new(cipher_type,
block_size /* block_size */,
GRASSHOPPER_KEY_SIZE /* key_size */);
EVP_CIPHER_meth_set_do_cipher(cipher, gost_grasshopper_cipher_do);
}
-static const GRASSHOPPER_INLINE EVP_CIPHER* cipher_gost_grasshopper(uint8_t mode, uint8_t num) {
+const GRASSHOPPER_INLINE EVP_CIPHER* cipher_gost_grasshopper(uint8_t mode, uint8_t num) {
EVP_CIPHER** cipher;
struct GRASSHOPPER_CIPHER_PARAMS* params;