mirrors/arrow
0
0 Fork 0
mirror of https://github.com/apache/arrow.git synced 2026-10-29 00:56:31 +08:00
Code Activity

set or check ciphertext length

Browse Source
This commit is contained in:
Gidon Gershinsky authored and Gidon Gershinsky committed 2019-05-28 08:31:57 +03:00
1 parent 03ede654f2
commit 8e7fe9021a
1 file changed
+24
Download Patch File Download Diff File Expand all files Collapse all files
cpp/src/parquet/util/crypto.cc
+24
View File
@@ -285,6 +285,18 @@ int gcm_decrypt(const uint8_t* ciphertext, int ciphertext_len, uint8_t* key, int
memset(tag, 0, gcmTagLen);
uint8_t iv[nonceLen];
memset(iv, 0, nonceLen);
// Extract ciphertext length
int ciphertext_length =
((ciphertext[3] & 0xff) << 24) |
((ciphertext[2] & 0xff) << 16) |
((ciphertext[1] & 0xff) << 8) |
((ciphertext[0] & 0xff));
if (ciphertext_len > 0 && ciphertext_len != ciphertext_length) {
throw ParquetException("Wrong ciphertext length");
}
ciphertext_len = ciphertext_length;
// Extracting IV and tag
std::copy(ciphertext + bufferSizeLen, ciphertext + bufferSizeLen + nonceLen, iv);
@@ -333,6 +345,18 @@ int ctr_decrypt(const uint8_t* ciphertext, int ciphertext_len, uint8_t* key, int
uint8_t iv[ctrIvLen];
memset(iv, 0, ctrIvLen);
// Extract ciphertext length
int ciphertext_length =
((ciphertext[3] & 0xff) << 24) |
((ciphertext[2] & 0xff) << 16) |
((ciphertext[1] & 0xff) << 8) |
((ciphertext[0] & 0xff));
if (ciphertext_len > 0 && ciphertext_len != ciphertext_length) {
throw ParquetException("Wrong ciphertext length");
}
ciphertext_len = ciphertext_length;
// Extracting IV and tag
std::copy(ciphertext + bufferSizeLen, ciphertext + bufferSizeLen + ctrIvLen, iv);