198     if (!data_.write(input.peek_read(), input.available_read())) {  in StoreData()
200               input.available_read() + data_.available_read(), EVP_PKEY_size(rsa_key_));  in StoreData()
204     *input_consumed = input.available_read();  in StoreData()
297     if (EVP_DigestSignUpdate(&digest_ctx_, input.peek_read(), input.available_read()) != 1)  in Update()
299     *input_consumed = input.available_read();  in Update()
318     assert(padded_len > src.available_read());  in zero_pad_left()
323     size_t padding_len = padded_len - src.available_read();  in zero_pad_left()
325     if (!src.read(dest->get() + padding_len, src.available_read())) return KM_ERROR_UNKNOWN_ERROR;  in zero_pad_left()
342         if (data_.available_read() > key_len) {  in SignUndigested()
344         } else if (data_.available_read() < key_len) {  in SignUndigested()
355         if (data_.available_read() + kPkcs1UndigestedSignaturePaddingOverhead > key_len) {  in SignUndigested()
357                   data_.available_read(), EVP_PKEY_size(rsa_key_) * 8);  in SignUndigested()
360         bytes_encrypted = RSA_private_encrypt(data_.available_read(), data_.peek_read(),  in SignUndigested()
408     if (EVP_DigestVerifyUpdate(&digest_ctx_, input.peek_read(), input.available_read()) != 1)  in Update()
410     *input_consumed = input.available_read();  in Update()
435         if (data_.available_read() > key_len) return KM_ERROR_INVALID_INPUT_LENGTH;  in VerifyUndigested()
436         if (key_len != signature.available_read()) return KM_ERROR_VERIFICATION_FAILED;  in VerifyUndigested()
440         if (data_.available_read() + kPkcs1UndigestedSignaturePaddingOverhead > key_len) {  in VerifyUndigested()
442                   data_.available_read(), key_len * 8);  in VerifyUndigested()
453     int bytes_decrypted = RSA_public_decrypt(signature.available_read(), signature.peek_read(),  in VerifyUndigested()
460     if (padding_ == KM_PAD_NONE && data_.available_read() < bytes_to_compare) {  in VerifyUndigested()
464         const uint8_t* zero_end = compare_pos + bytes_to_compare - data_.available_read();  in VerifyUndigested()
467         bytes_to_compare = data_.available_read();  in VerifyUndigested()
475     if (!EVP_DigestVerifyFinal(&digest_ctx_, signature.peek_read(), signature.available_read()))  in VerifyDigested()
548                          data_.available_read()) <= 0)  in Finish()
554     size_t to_encrypt_len = data_.available_read();  in Finish()
591                          data_.available_read()) <= 0)  in Finish()
597     size_t to_decrypt_len = data_.available_read();  in Finish()