128   if (in == NULL || (in->pctx == NULL && in->digest == NULL)) {  in EVP_MD_CTX_copy_ex()
144   if (in->digest != NULL) {  in EVP_MD_CTX_copy_ex()
145     if (out->digest != in->digest) {  in EVP_MD_CTX_copy_ex()
146       assert(in->digest->ctx_size != 0);  in EVP_MD_CTX_copy_ex()
147       tmp_buf = OPENSSL_malloc(in->digest->ctx_size);  in EVP_MD_CTX_copy_ex()
166   out->digest = in->digest;  in EVP_MD_CTX_copy_ex()
168   if (in->digest != NULL) {  in EVP_MD_CTX_copy_ex()
169     OPENSSL_memcpy(out->md_data, in->md_data, in->digest->ctx_size);  in EVP_MD_CTX_copy_ex()
190   if (ctx->digest != type) {  in EVP_DigestInit_ex()
200     ctx->digest = type;  in EVP_DigestInit_ex()
205   ctx->digest->init(ctx);  in EVP_DigestInit_ex()
215   ctx->digest->update(ctx, data, len);  in EVP_DigestUpdate()
220   assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE);  in EVP_DigestFinal_ex()
221   ctx->digest->final(ctx, md_out);  in EVP_DigestFinal_ex()
223     *size = ctx->digest->md_size;  in EVP_DigestFinal_ex()
225   OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);  in EVP_DigestFinal_ex()
254   return ctx->digest;  in EVP_MD_CTX_md()
269 int EVP_add_digest(const EVP_MD *digest) {  in EVP_add_digest()  argument