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| author | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2017-02-23 23:18:10 +0000 |
|---|---|---|
| committer | moneromooo-monero <moneromooo-monero@users.noreply.github.com> | 2017-02-23 23:18:10 +0000 |
| commit | 583a7b5c74239aa9e645ea5b604e4504b323271f (patch) | |
| tree | c75211ab32fbbb897808c920177e8f0c9a019f6f /src/common/util.cpp | |
| parent | Merge pull request #1775 (diff) | |
| download | monero-583a7b5c74239aa9e645ea5b604e4504b323271f.tar.xz | |
core: protect precomputed block hashes with SHA256
Diffstat (limited to '')
| -rw-r--r-- | src/common/util.cpp | 12 |
1 files changed, 12 insertions, 0 deletions
diff --git a/src/common/util.cpp b/src/common/util.cpp index cc2b5b8ff..046961b06 100644 --- a/src/common/util.cpp +++ b/src/common/util.cpp @@ -587,6 +587,18 @@ std::string get_nix_version_display_string() return 0; } + bool sha256sum(const uint8_t *data, size_t len, crypto::hash &hash) + { + SHA256_CTX ctx; + if (!SHA256_Init(&ctx)) + return false; + if (!SHA256_Update(&ctx, data, len)) + return false; + if (!SHA256_Final((unsigned char*)hash.data, &ctx)) + return false; + return true; + } + bool sha256sum(const std::string &filename, crypto::hash &hash) { if (!epee::file_io_utils::is_file_exist(filename)) |