engines/ccgost/gost_crypt.c

23                             const unsigned char *iv, int enc);
25                                 const unsigned char *iv, int enc);
185                                   const unsigned char *iv, int enc,
196     if (iv)
197         memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
198     memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
203                                 const unsigned char *iv, int enc)
211     if (iv)
212         memcpy(ctx->oiv, iv, EVP_CIPHER_CTX_iv_length(ctx));
213     memcpy(ctx->iv, ctx->oiv, EVP_CIPHER_CTX_iv_length(ctx));
219                      const unsigned char *iv, int enc)
221     return gost_cipher_init_param(ctx, key, iv, enc, NID_undef,
229 static void gost_crypt_mesh(void *ctx, unsigned char *iv, unsigned char *buf)
234         cryptopro_key_meshing(&(c->cctx), iv);
236     gostcrypt(&(c->cctx), iv, buf);
240 static void gost_cnt_next(void *ctx, unsigned char *iv, unsigned char *buf)
247         cryptopro_key_meshing(&(c->cctx), iv);
250         gostcrypt(&(c->cctx), iv, buf1);
252         memcpy(buf1, iv, 8);
269     memcpy(iv, buf1, 8);
293             memcpy(ctx->iv, ctx->buf + 8, 8);
303          * block cipher current iv
305         gost_crypt_mesh(ctx->cipher_data, ctx->iv, ctx->buf);
313             memcpy(ctx->iv, in_ptr, 8);
318         /* Next iv is next block of cipher text */
320             memcpy(ctx->iv, out_ptr, 8);
324         gost_crypt_mesh(ctx->cipher_data, ctx->iv, ctx->buf);
362          * block cipher current iv
365         gost_cnt_next(ctx->cipher_data, ctx->iv, ctx->buf);
378         gost_cnt_next(ctx->cipher_data, ctx->iv, ctx->buf);
439     if (!ASN1_OCTET_STRING_set(gcp->iv, ctx->iv, ctx->cipher->iv_len)) {
487     len = gcp->iv->length;
497     memcpy(ctx->oiv, gcp->iv->data, len);
521      * We are using local buffer for iv because CryptoPro doesn't interpret
522      * internal state of MAC algorithm as iv during keymeshing (but does
523      * initialize internal state from iv in key transport