adamreeve commented on code in PR #43195:
URL: https://github.com/apache/arrow/pull/43195#discussion_r1673413168
##########
cpp/src/parquet/encryption/encryption_internal.cc:
##########
@@ -137,30 +156,45 @@
AesEncryptor::AesEncryptorImpl::AesEncryptorImpl(ParquetCipher::type alg_id, int
}
}
-int AesEncryptor::AesEncryptorImpl::SignedFooterEncrypt(
- const uint8_t* footer, int footer_len, const uint8_t* key, int key_len,
- const uint8_t* aad, int aad_len, const uint8_t* nonce, uint8_t*
encrypted_footer) {
- if (key_length_ != key_len) {
+int AesEncryptor::AesEncryptorImpl::SignedFooterEncrypt(span<const uint8_t>
footer,
+ span<const uint8_t>
key,
+ span<const uint8_t>
aad,
+ span<const uint8_t>
nonce,
+ span<uint8_t>
encrypted_footer) {
+ if (static_cast<size_t>(key_length_) != key.size()) {
+ std::stringstream ss;
+ ss << "Wrong key length " << key.size() << ". Should be " << key_length_;
+ throw ParquetException(ss.str());
+ }
+
+ if (encrypted_footer.size() < footer.size() + ciphertext_size_delta_) {
Review Comment:
I've changed this to equality now
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