{"action":"created","comment":{"url":"https://api.github.com/repos/monero-project/monero/pulls/comments/209036305","pull_request_review_id":144972465,"id":209036305,"node_id":"MDI0OlB1bGxSZXF1ZXN0UmV2aWV3Q29tbWVudDIwOTAzNjMwNQ==","diff_hunk":"@@ -33,14 +33,19 @@\n #include <cstddef>\n #include <cstring>\n #include <functional>\n+#include <sodium/crypto_verify_32.h>\n \n #define CRYPTO_MAKE_COMPARABLE(type) \\\n namespace crypto { \\\n   inline bool operator==(const type &_v1, const type &_v2) { \\\n-    return std::memcmp(&_v1, &_v2, sizeof(type)) == 0; \\\n+    if (sizeof(_v1) == 32) \\\n+      return crypto_verify_32((const unsigned char*)&_v1, (const unsigned char*)&_v2) == 0; \\\n+    if (sizeof(_v1) == 8) \\\n+      return (const uint64_t&)_v1 == (const uint64_t&)_v2; \\\n+    return !memcmp(&_v1, &_v2, sizeof(_v1)); \\","path":"src/crypto/generic-ops.h","position":null,"original_position":14,"commit_id":"9786c9d3bdfc9c05d5087bdbb7d4fe9ef74b0835","original_commit_id":"2440b5cca8f47ef5acaaff6d7168daf3a891f485","user":{"login":"moneromooo-monero","id":8851073,"node_id":"MDQ6VXNlcjg4NTEwNzM=","avatar_url":"https://avatars3.githubusercontent.com/u/8851073?v=4","gravatar_id":"","url":"https://api.github.com/users/moneromooo-monero","html_url":"https://github.com/moneromooo-monero","followers_url":"https://api.github.com/users/moneromooo-monero/followers","following_url":"https://api.github.com/users/moneromooo-monero/following{/other_user}","gists_url":"https://api.github.com/users/moneromooo-monero/gists{/gist_id}","starred_url":"https://api.github.com/users/moneromooo-monero/starred{/owner}{/repo}","subscriptions_url":"https://api.github.com/users/moneromooo-monero/subscriptions","organizations_url":"https://api.github.com/users/moneromooo-monero/orgs","repos_url":"https://api.github.com/users/moneromooo-monero/repos","events_url":"https://api.github.com/users/moneromooo-monero/events{/privacy}","received_events_url":"https://api.github.com/users/moneromooo-monero/received_events","type":"User","site_admin":false},"body":"That's a bit more complex, but duplicates the macros so there's one specifically for constant time.","created_at":"2018-08-09T18:36:07Z","updated_at":"2018-08-09T18:36:07Z","html_url":"https://github.com/monero-project/monero/pull/3999#discussion_r209036305","pull_request_url":"https://api.github.com/repos/monero-project/monero/pulls/3999","author_association":"CONTRIBUTOR","_links":{"self":{"href":"https://api.github.com/repos/monero-project/monero/pulls/comments/209036305"},"html":{"href":"https://github.com/monero-project/monero/pull/3999#discussion_r209036305"},"pull_request":{"href":"https://api.github.com/repos/monero-project/monero/pulls/3999"}},"in_reply_to_id":208534490},"pull_request":{"url":"https://api.github.com/repos/monero-project/monero/pulls/3999","id":194659810,"node_id":"MDExOlB1bGxSZXF1ZXN0MTk0NjU5ODEw","html_url":"https://github.com/monero-project/monero/pull/3999","diff_url":"https://github.com/monero-project/monero/pull/3999.diff","patch_url":"https://github.com/monero-project/monero/pull/3999.patch","issue_url":"https://api.github.com/repos/monero-project/monero/issues/3999","number":3999,"state":"open","locked":false,"title":"add 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