91   if (ctx->digest && ctx->digest->ctx_size && ctx->md_data) {  in EVP_MD_CTX_cleanup()
92     OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);  in EVP_MD_CTX_cleanup()
118   if (in == NULL || in->digest == NULL) {  in EVP_MD_CTX_copy_ex()
123   if (out->digest == in->digest) {  in EVP_MD_CTX_copy_ex()
133   out->digest = in->digest;  in EVP_MD_CTX_copy_ex()
134   if (in->md_data && in->digest->ctx_size) {  in EVP_MD_CTX_copy_ex()
138       out->md_data = OPENSSL_malloc(in->digest->ctx_size);  in EVP_MD_CTX_copy_ex()
144     memcpy(out->md_data, in->md_data, in->digest->ctx_size);  in EVP_MD_CTX_copy_ex()
166   if (ctx->digest != type) {  in EVP_DigestInit_ex()
167     if (ctx->digest && ctx->digest->ctx_size > 0) {  in EVP_DigestInit_ex()
170     ctx->digest = type;  in EVP_DigestInit_ex()
182   ctx->digest->init(ctx);  in EVP_DigestInit_ex()
192   ctx->digest->update(ctx, data, len);  in EVP_DigestUpdate()
197   assert(ctx->digest->md_size <= EVP_MAX_MD_SIZE);  in EVP_DigestFinal_ex()
198   ctx->digest->final(ctx, md_out);  in EVP_DigestFinal_ex()
200     *size = ctx->digest->md_size;  in EVP_DigestFinal_ex()
202   OPENSSL_cleanse(ctx->md_data, ctx->digest->ctx_size);  in EVP_DigestFinal_ex()
231   return ctx->digest;  in EVP_MD_CTX_md()
246 int EVP_add_digest(const EVP_MD *digest) {  in EVP_add_digest()  argument