372                                    std::string* ciphertext) {  in encryptWithKeystoreKey()  argument
392     *ciphertext = nonce + body + mac;  in encryptWithKeystoreKey()
398                                    const std::string& ciphertext, KeyBuffer* message) {  in decryptWithKeystoreKey()  argument
399     const std::string nonce = ciphertext.substr(0, GCM_NONCE_BYTES);  in decryptWithKeystoreKey()
400     auto bodyAndMac = ciphertext.substr(GCM_NONCE_BYTES);  in decryptWithKeystoreKey()
435                                    std::string* ciphertext) {  in encryptWithoutKeystore()  argument
439     if (!readRandomBytesOrLog(GCM_NONCE_BYTES, ciphertext)) return false;  in encryptWithoutKeystore()
448                                 reinterpret_cast<const uint8_t*>(ciphertext->data()))) {  in encryptWithoutKeystore()
452     ciphertext->resize(GCM_NONCE_BYTES + plaintext.size() + GCM_MAC_BYTES);  in encryptWithoutKeystore()
455                  ctx.get(), reinterpret_cast<uint8_t*>(&(*ciphertext)[0] + GCM_NONCE_BYTES),  in encryptWithoutKeystore()
466                  reinterpret_cast<uint8_t*>(&(*ciphertext)[0] + GCM_NONCE_BYTES + plaintext.size()),  in encryptWithoutKeystore()
476                                  reinterpret_cast<uint8_t*>(&(*ciphertext)[0] + GCM_NONCE_BYTES +  in encryptWithoutKeystore()
484 static bool decryptWithoutKeystore(const std::string& preKey, const std::string& ciphertext,  in decryptWithoutKeystore()  argument
486     if (ciphertext.size() < GCM_NONCE_BYTES + GCM_MAC_BYTES) {  in decryptWithoutKeystore()
487         LOG(ERROR) << "GCM ciphertext too small: " << ciphertext.size();  in decryptWithoutKeystore()
501                                 reinterpret_cast<const uint8_t*>(ciphertext.data()))) {  in decryptWithoutKeystore()
505     *plaintext = KeyBuffer(ciphertext.size() - GCM_NONCE_BYTES - GCM_MAC_BYTES);  in decryptWithoutKeystore()
508 …                             reinterpret_cast<const uint8_t*>(ciphertext.data() + GCM_NONCE_BYTES),  in decryptWithoutKeystore()
519                                      ciphertext.data() + GCM_NONCE_BYTES + plaintext->size())))) {  in decryptWithoutKeystore()