Add SHA224 to library/cpp/openssl/crypto

Add SHA224 to library/cpp/openssl/crypto

1 files changed, 34 insertions, 0 deletions

diff --git a/library/cpp/openssl/crypto/sha.h b/library/cpp/openssl/crypto/sha.h
index dbc2dfa526..49ec8bd009 100644
--- a/library/cpp/openssl/crypto/sha.h
+++ b/library/cpp/openssl/crypto/sha.h
@@ -76,3 +76,37 @@ namespace NOpenSsl::NSha256 {
         THolder<SHA256state_st> Context;
     };
 }
+
+namespace NOpenSsl::NSha224 {
+    constexpr size_t DIGEST_LENGTH = 28;
+    using TDigest = std::array<ui8, DIGEST_LENGTH>;
+
+    // not fragmented input
+    TDigest Calc(const void* data, size_t dataSize);
+
+    inline TDigest Calc(TStringBuf s) {
+        return Calc(s.data(), s.length());
+    }
+
+    // fragmented input
+    class TCalcer {
+    public:
+        TCalcer();
+        ~TCalcer();
+        void Update(const void* data, size_t dataSize);
+
+        void Update(TStringBuf s) {
+            Update(s.data(), s.length());
+        }
+
+        template <typename T>
+        void UpdateWithPodValue(const T& value) {
+            Update(&value, sizeof(value));
+        }
+
+        TDigest Final();
+
+    private:
+        THolder<SHA256state_st> Context;
+    };
+}