#include <openssl/rand.h>
#include "e_gost_err.h"
#include "gost_lcl.h"
+#include <openssl/evp.h>
#if !defined(CCGOST_DEBUG) && !defined(DEBUG)
# ifndef NDEBUG
/* Control function */
static int gost_cipher_ctl(EVP_CIPHER_CTX *ctx, int type, int arg, void *ptr);
-EVP_CIPHER cipher_gost = {
- NID_id_Gost28147_89,
- 1, /* block_size */
- 32, /* key_size */
- 8, /* iv_len */
- EVP_CIPH_CFB_MODE | EVP_CIPH_NO_PADDING |
- EVP_CIPH_CUSTOM_IV | EVP_CIPH_RAND_KEY | EVP_CIPH_ALWAYS_CALL_INIT,
- gost_cipher_init,
- gost_cipher_do_cfb,
- gost_cipher_cleanup,
- sizeof(struct ossl_gost_cipher_ctx), /* ctx_size */
- gost89_set_asn1_parameters,
- gost89_get_asn1_parameters,
- gost_cipher_ctl,
- NULL,
-};
+static EVP_CIPHER *_hidden_Gost28147_89_cipher = NULL;
+const EVP_CIPHER *cipher_gost(void)
+{
+ if (_hidden_Gost28147_89_cipher == NULL
+ && ((_hidden_Gost28147_89_cipher =
+ EVP_CIPHER_meth_new(NID_id_Gost28147_89,
+ 1 /* block_size */,
+ 32 /* key_size */)) == NULL
+ || !EVP_CIPHER_meth_set_iv_length(_hidden_Gost28147_89_cipher, 8)
+ || !EVP_CIPHER_meth_set_flags(_hidden_Gost28147_89_cipher,
+ EVP_CIPH_CFB_MODE |
+ EVP_CIPH_NO_PADDING |
+ EVP_CIPH_CUSTOM_IV |
+ EVP_CIPH_RAND_KEY |
+ EVP_CIPH_ALWAYS_CALL_INIT)
+ || !EVP_CIPHER_meth_set_init(_hidden_Gost28147_89_cipher,
+ gost_cipher_init)
+ || !EVP_CIPHER_meth_set_do_cipher(_hidden_Gost28147_89_cipher,
+ gost_cipher_do_cfb)
+ || !EVP_CIPHER_meth_set_cleanup(_hidden_Gost28147_89_cipher,
+ gost_cipher_cleanup)
+ || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_Gost28147_89_cipher,
+ sizeof(struct ossl_gost_cipher_ctx))
+ || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_Gost28147_89_cipher,
+ gost89_set_asn1_parameters)
+ || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_Gost28147_89_cipher,
+ gost89_get_asn1_parameters)
+ || !EVP_CIPHER_meth_set_ctrl(_hidden_Gost28147_89_cipher,
+ gost_cipher_ctl))) {
+ EVP_CIPHER_meth_free(_hidden_Gost28147_89_cipher);
+ _hidden_Gost28147_89_cipher = NULL;
+ }
+ return _hidden_Gost28147_89_cipher;
+}
-EVP_CIPHER cipher_gost_cpacnt = {
- NID_gost89_cnt,
- 1, /* block_size */
- 32, /* key_size */
- 8, /* iv_len */
- EVP_CIPH_OFB_MODE | EVP_CIPH_NO_PADDING |
- EVP_CIPH_CUSTOM_IV | EVP_CIPH_RAND_KEY | EVP_CIPH_ALWAYS_CALL_INIT,
- gost_cipher_init_cpa,
- gost_cipher_do_cnt,
- gost_cipher_cleanup,
- sizeof(struct ossl_gost_cipher_ctx), /* ctx_size */
- gost89_set_asn1_parameters,
- gost89_get_asn1_parameters,
- gost_cipher_ctl,
- NULL,
-};
+static EVP_CIPHER *_hidden_gost89_cnt = NULL;
+const EVP_CIPHER *cipher_gost_cpacnt(void)
+{
+ if (_hidden_gost89_cnt == NULL
+ && ((_hidden_gost89_cnt =
+ EVP_CIPHER_meth_new(NID_gost89_cnt,
+ 1 /* block_size */,
+ 32 /* key_size */)) == NULL
+ || !EVP_CIPHER_meth_set_iv_length(_hidden_gost89_cnt, 8)
+ || !EVP_CIPHER_meth_set_flags(_hidden_gost89_cnt,
+ EVP_CIPH_OFB_MODE |
+ EVP_CIPH_NO_PADDING |
+ EVP_CIPH_CUSTOM_IV |
+ EVP_CIPH_RAND_KEY |
+ EVP_CIPH_ALWAYS_CALL_INIT)
+ || !EVP_CIPHER_meth_set_init(_hidden_gost89_cnt,
+ gost_cipher_init_cpa)
+ || !EVP_CIPHER_meth_set_do_cipher(_hidden_gost89_cnt,
+ gost_cipher_do_cnt)
+ || !EVP_CIPHER_meth_set_cleanup(_hidden_gost89_cnt,
+ gost_cipher_cleanup)
+ || !EVP_CIPHER_meth_set_impl_ctx_size(_hidden_gost89_cnt,
+ sizeof(struct ossl_gost_cipher_ctx))
+ || !EVP_CIPHER_meth_set_set_asn1_params(_hidden_gost89_cnt,
+ gost89_set_asn1_parameters)
+ || !EVP_CIPHER_meth_set_get_asn1_params(_hidden_gost89_cnt,
+ gost89_get_asn1_parameters)
+ || !EVP_CIPHER_meth_set_ctrl(_hidden_gost89_cnt,
+ gost_cipher_ctl))) {
+ EVP_CIPHER_meth_free(_hidden_gost89_cnt);
+ _hidden_gost89_cnt = NULL;
+ }
+ return _hidden_gost89_cnt;
+}
/* Implementation of GOST 28147-89 in MAC (imitovstavka) mode */
/* Init functions which set specific parameters */
/* Control function, knows how to set MAC key.*/
static int gost_imit_ctrl(EVP_MD_CTX *ctx, int type, int arg, void *ptr);
-EVP_MD imit_gost_cpa = {
- NID_id_Gost28147_89_MAC,
- NID_undef,
- 4,
- 0,
- gost_imit_init_cpa,
- gost_imit_update,
- gost_imit_final,
- gost_imit_copy,
- gost_imit_cleanup,
- NULL,
- NULL,
- {0, 0, 0, 0, 0},
- 8,
- sizeof(struct ossl_gost_imit_ctx),
- gost_imit_ctrl
-};
+static EVP_MD *_hidden_Gost28147_89_MAC_md = NULL;
+const EVP_MD *imit_gost_cpa(void)
+{
+
+ if (_hidden_Gost28147_89_MAC_md == NULL) {
+ EVP_MD *md;
+
+ if ((md = EVP_MD_meth_new(NID_id_Gost28147_89_MAC, NID_undef)) == NULL
+ || !EVP_MD_meth_set_result_size(md, 4)
+ || !EVP_MD_meth_set_input_blocksize(md, 8)
+ || !EVP_MD_meth_set_app_datasize(md,
+ sizeof(struct ossl_gost_imit_ctx))
+ || !EVP_MD_meth_set_flags(md, 0)
+ || !EVP_MD_meth_set_init(md, gost_imit_init_cpa)
+ || !EVP_MD_meth_set_update(md, gost_imit_update)
+ || !EVP_MD_meth_set_final(md, gost_imit_final)
+ || !EVP_MD_meth_set_copy(md, gost_imit_copy)
+ || !EVP_MD_meth_set_cleanup(md, gost_imit_cleanup)
+ || !EVP_MD_meth_set_ctrl(md, gost_imit_ctrl)) {
+ EVP_MD_meth_free(md);
+ md = NULL;
+ }
+ _hidden_Gost28147_89_MAC_md = md;
+ }
+ return _hidden_Gost28147_89_MAC_md;
+}
+void imit_gost_cpa_destroy(void)
+{
+ EVP_MD_meth_free(_hidden_Gost28147_89_MAC_md);
+ _hidden_Gost28147_89_MAC_md = NULL;
+}
/*
* Correspondence between gost parameter OIDs and substitution blocks
/*
* {NID_id_GostR3411_94_CryptoProParamSet,&GostR3411_94_CryptoProParamSet,0},
*/
- {NID_id_Gost28147_89_cc, &GostR3411_94_CryptoProParamSet, 0},
{NID_id_Gost28147_89_CryptoPro_A_ParamSet, &Gost28147_CryptoProParamSetA,
1},
{NID_id_Gost28147_89_CryptoPro_B_ParamSet, &Gost28147_CryptoProParamSetB,
const unsigned char *iv, int enc,
int paramNID, int mode)
{
- struct ossl_gost_cipher_ctx *c = ctx->cipher_data;
- if (ctx->app_data == NULL) {
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
+ if (EVP_CIPHER_CTX_get_app_data(ctx) == NULL) {
if (!gost_cipher_set_param(c, paramNID))
return 0;
- ctx->app_data = ctx->cipher_data;
+ EVP_CIPHER_CTX_set_app_data(ctx, EVP_CIPHER_CTX_cipher_data(ctx));
}
if (key)
gost_key(&(c->cctx), key);
if (iv)
- memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
- memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
+ memcpy((unsigned char *)EVP_CIPHER_CTX_original_iv(ctx), iv,
+ EVP_CIPHER_CTX_iv_length(ctx));
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_original_iv(ctx),
+ EVP_CIPHER_CTX_iv_length(ctx));
return 1;
}
static int gost_cipher_init_cpa(EVP_CIPHER_CTX *ctx, const unsigned char *key,
const unsigned char *iv, int enc)
{
- struct ossl_gost_cipher_ctx *c = ctx->cipher_data;
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
gost_init(&(c->cctx), &Gost28147_CryptoProParamSetA);
c->key_meshing = 1;
c->count = 0;
if (key)
gost_key(&(c->cctx), key);
if (iv)
- memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
- memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
+ memcpy((unsigned char *)EVP_CIPHER_CTX_original_iv(ctx), iv,
+ EVP_CIPHER_CTX_iv_length(ctx));
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx),
+ EVP_CIPHER_CTX_original_iv(ctx),
+ EVP_CIPHER_CTX_iv_length(ctx));
return 1;
}
{
const unsigned char *in_ptr = in;
unsigned char *out_ptr = out;
+ unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
size_t i = 0;
size_t j = 0;
/* process partial block if any */
- if (ctx->num) {
- for (j = ctx->num, i = 0; j < 8 && i < inl;
+ if (EVP_CIPHER_CTX_num(ctx)) {
+ for (j = EVP_CIPHER_CTX_num(ctx), i = 0; j < 8 && i < inl;
j++, i++, in_ptr++, out_ptr++) {
- if (!ctx->encrypt)
- ctx->buf[j + 8] = *in_ptr;
- *out_ptr = ctx->buf[j] ^ (*in_ptr);
- if (ctx->encrypt)
- ctx->buf[j + 8] = *out_ptr;
+ if (!EVP_CIPHER_CTX_encrypting(ctx))
+ buf[j + 8] = *in_ptr;
+ *out_ptr = buf[j] ^ (*in_ptr);
+ if (EVP_CIPHER_CTX_encrypting(ctx))
+ buf[j + 8] = *out_ptr;
}
if (j == 8) {
- memcpy(ctx->iv, ctx->buf + 8, 8);
- ctx->num = 0;
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), buf + 8, 8);
+ EVP_CIPHER_CTX_set_num(ctx, 0);
} else {
- ctx->num = j;
+ EVP_CIPHER_CTX_set_num(ctx, j);
return 1;
}
}
/*
* block cipher current iv
*/
- gost_crypt_mesh(ctx->cipher_data, ctx->iv, ctx->buf);
+ gost_crypt_mesh(EVP_CIPHER_CTX_cipher_data(ctx),
+ EVP_CIPHER_CTX_iv_noconst(ctx), buf);
/*
* xor next block of input text with it and output it
*/
/*
* output this block
*/
- if (!ctx->encrypt)
- memcpy(ctx->iv, in_ptr, 8);
+ if (!EVP_CIPHER_CTX_encrypting(ctx))
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), in_ptr, 8);
for (j = 0; j < 8; j++) {
- out_ptr[j] = ctx->buf[j] ^ in_ptr[j];
+ out_ptr[j] = buf[j] ^ in_ptr[j];
}
/* Encrypt */
/* Next iv is next block of cipher text */
- if (ctx->encrypt)
- memcpy(ctx->iv, out_ptr, 8);
+ if (EVP_CIPHER_CTX_encrypting(ctx))
+ memcpy(EVP_CIPHER_CTX_iv_noconst(ctx), out_ptr, 8);
}
/* Process rest of buffer */
if (i < inl) {
- gost_crypt_mesh(ctx->cipher_data, ctx->iv, ctx->buf);
- if (!ctx->encrypt)
- memcpy(ctx->buf + 8, in_ptr, inl - i);
+ gost_crypt_mesh(EVP_CIPHER_CTX_cipher_data(ctx),
+ EVP_CIPHER_CTX_iv_noconst(ctx), buf);
+ if (!EVP_CIPHER_CTX_encrypting(ctx))
+ memcpy(buf + 8, in_ptr, inl - i);
for (j = 0; i < inl; j++, i++) {
- out_ptr[j] = ctx->buf[j] ^ in_ptr[j];
+ out_ptr[j] = buf[j] ^ in_ptr[j];
}
- ctx->num = j;
- if (ctx->encrypt)
- memcpy(ctx->buf + 8, out_ptr, j);
+ EVP_CIPHER_CTX_set_num(ctx, j);
+ if (EVP_CIPHER_CTX_encrypting(ctx))
+ memcpy(buf + 8, out_ptr, j);
} else {
- ctx->num = 0;
+ EVP_CIPHER_CTX_set_num(ctx, 0);
}
return 1;
}
{
const unsigned char *in_ptr = in;
unsigned char *out_ptr = out;
+ unsigned char *buf = EVP_CIPHER_CTX_buf_noconst(ctx);
size_t i = 0;
size_t j;
/* process partial block if any */
- if (ctx->num) {
- for (j = ctx->num, i = 0; j < 8 && i < inl;
+ if (EVP_CIPHER_CTX_num(ctx)) {
+ for (j = EVP_CIPHER_CTX_num(ctx), i = 0; j < 8 && i < inl;
j++, i++, in_ptr++, out_ptr++) {
- *out_ptr = ctx->buf[j] ^ (*in_ptr);
+ *out_ptr = buf[j] ^ (*in_ptr);
}
if (j == 8) {
- ctx->num = 0;
+ EVP_CIPHER_CTX_set_num(ctx, 0);
} else {
- ctx->num = j;
+ EVP_CIPHER_CTX_set_num(ctx, j);
return 1;
}
}
* block cipher current iv
*/
/* Encrypt */
- gost_cnt_next(ctx->cipher_data, ctx->iv, ctx->buf);
+ gost_cnt_next(EVP_CIPHER_CTX_cipher_data(ctx),
+ EVP_CIPHER_CTX_iv_noconst(ctx), buf);
/*
* xor next block of input text with it and output it
*/
* output this block
*/
for (j = 0; j < 8; j++) {
- out_ptr[j] = ctx->buf[j] ^ in_ptr[j];
+ out_ptr[j] = buf[j] ^ in_ptr[j];
}
}
/* Process rest of buffer */
if (i < inl) {
- gost_cnt_next(ctx->cipher_data, ctx->iv, ctx->buf);
+ gost_cnt_next(EVP_CIPHER_CTX_cipher_data(ctx),
+ EVP_CIPHER_CTX_iv_noconst(ctx), buf);
for (j = 0; i < inl; j++, i++) {
- out_ptr[j] = ctx->buf[j] ^ in_ptr[j];
+ out_ptr[j] = buf[j] ^ in_ptr[j];
}
- ctx->num = j;
+ EVP_CIPHER_CTX_set_num(ctx, j);
} else {
- ctx->num = 0;
+ EVP_CIPHER_CTX_set_num(ctx, 0);
}
return 1;
}
/* Cleaning up of EVP_CIPHER_CTX */
int gost_cipher_cleanup(EVP_CIPHER_CTX *ctx)
{
- gost_destroy(&((struct ossl_gost_cipher_ctx *)ctx->cipher_data)->cctx);
- ctx->app_data = NULL;
+ gost_destroy(&((struct ossl_gost_cipher_ctx *)
+ EVP_CIPHER_CTX_cipher_data(ctx))->cctx);
+ EVP_CIPHER_CTX_set_app_data(ctx, NULL);
return 1;
}
switch (type) {
case EVP_CTRL_RAND_KEY:
{
- if (RAND_bytes((unsigned char *)ptr, ctx->key_len) <= 0) {
+ if (RAND_bytes((unsigned char *)ptr,
+ EVP_CIPHER_CTX_key_length(ctx)) <= 0) {
GOSTerr(GOST_F_GOST_CIPHER_CTL,
GOST_R_RANDOM_GENERATOR_ERROR);
return -1;
int len = 0;
unsigned char *buf = NULL;
unsigned char *p = NULL;
- struct ossl_gost_cipher_ctx *c = ctx->cipher_data;
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
GOST_CIPHER_PARAMS *gcp = GOST_CIPHER_PARAMS_new();
ASN1_OCTET_STRING *os = NULL;
if (!gcp) {
GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
return 0;
}
- if (!ASN1_OCTET_STRING_set(gcp->iv, ctx->iv, ctx->cipher->iv_len)) {
+ if (!ASN1_OCTET_STRING_set(gcp->iv, EVP_CIPHER_CTX_iv(ctx),
+ EVP_CIPHER_CTX_iv_length(ctx))) {
GOST_CIPHER_PARAMS_free(gcp);
GOSTerr(GOST_F_GOST89_SET_ASN1_PARAMETERS, ERR_R_MALLOC_FAILURE);
return 0;
int len;
GOST_CIPHER_PARAMS *gcp = NULL;
unsigned char *p;
- struct ossl_gost_cipher_ctx *c = ctx->cipher_data;
+ struct ossl_gost_cipher_ctx *c = EVP_CIPHER_CTX_cipher_data(ctx);
if (ASN1_TYPE_get(params) != V_ASN1_SEQUENCE) {
return ret;
}
params->value.sequence->length);
len = gcp->iv->length;
- if (len != ctx->cipher->iv_len) {
+ if (len != EVP_CIPHER_CTX_iv_length(ctx)) {
GOST_CIPHER_PARAMS_free(gcp);
GOSTerr(GOST_F_GOST89_GET_ASN1_PARAMETERS, GOST_R_INVALID_IV_LENGTH);
return -1;
GOST_CIPHER_PARAMS_free(gcp);
return -1;
}
- memcpy(ctx->oiv, gcp->iv->data, len);
+ memcpy((unsigned char *)EVP_CIPHER_CTX_original_iv(ctx), gcp->iv->data,
+ EVP_CIPHER_CTX_iv_length(ctx));
GOST_CIPHER_PARAMS_free(gcp);
int gost_imit_init_cpa(EVP_MD_CTX *ctx)
{
- struct ossl_gost_imit_ctx *c = ctx->md_data;
+ struct ossl_gost_imit_ctx *c = EVP_MD_CTX_md_data(ctx);
memset(c->buffer, 0, sizeof(c->buffer));
memset(c->partial_block, 0, sizeof(c->partial_block));
c->count = 0;
int gost_imit_update(EVP_MD_CTX *ctx, const void *data, size_t count)
{
- struct ossl_gost_imit_ctx *c = ctx->md_data;
+ struct ossl_gost_imit_ctx *c = EVP_MD_CTX_md_data(ctx);
const unsigned char *p = data;
size_t bytes = count, i;
if (!(c->key_set)) {
int gost_imit_final(EVP_MD_CTX *ctx, unsigned char *md)
{
- struct ossl_gost_imit_ctx *c = ctx->md_data;
+ struct ossl_gost_imit_ctx *c = EVP_MD_CTX_md_data(ctx);
if (!c->key_set) {
GOSTerr(GOST_F_GOST_IMIT_FINAL, GOST_R_MAC_KEY_NOT_SET);
return 0;
return 0;
}
- gost_key(&(((struct ossl_gost_imit_ctx *)(ctx->md_data))->cctx),
+ gost_key(&(((struct ossl_gost_imit_ctx *)(EVP_MD_CTX_md_data(ctx)))->cctx),
ptr);
- ((struct ossl_gost_imit_ctx *)(ctx->md_data))->key_set = 1;
+ ((struct ossl_gost_imit_ctx *)(EVP_MD_CTX_md_data(ctx)))->key_set = 1;
return 1;
}
int gost_imit_copy(EVP_MD_CTX *to, const EVP_MD_CTX *from)
{
- memcpy(to->md_data, from->md_data, sizeof(struct ossl_gost_imit_ctx));
+ memcpy(EVP_MD_CTX_md_data(to), EVP_MD_CTX_md_data(from),
+ sizeof(struct ossl_gost_imit_ctx));
return 1;
}
/* Clean up imit ctx */
int gost_imit_cleanup(EVP_MD_CTX *ctx)
{
- memset(ctx->md_data, 0, sizeof(struct ossl_gost_imit_ctx));
+ memset(EVP_MD_CTX_md_data(ctx), 0, sizeof(struct ossl_gost_imit_ctx));
return 1;
}
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