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-rw-r--r--crypto/p224.h4
1 files changed, 4 insertions, 0 deletions
diff --git a/crypto/p224.h b/crypto/p224.h
index 0b2aca9..412ca99 100644
--- a/crypto/p224.h
+++ b/crypto/p224.h
@@ -36,6 +36,10 @@ struct CRYPTO_EXPORT Point {
FieldElement x, y, z;
};
+// kScalarBytes is the number of bytes needed to represent an element of the
+// P224 field.
+static const size_t kScalarBytes = 28;
+
// ScalarMult computes *out = in*scalar where scalar is a 28-byte, big-endian
// number.
void CRYPTO_EXPORT ScalarMult(const Point& in, const uint8* scalar, Point* out);