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-rw-r--r--src/lib/pubkey/eckcdsa/eckcdsa.cpp7
1 files changed, 3 insertions, 4 deletions
diff --git a/src/lib/pubkey/eckcdsa/eckcdsa.cpp b/src/lib/pubkey/eckcdsa/eckcdsa.cpp
index 83439332e..5ca89675c 100644
--- a/src/lib/pubkey/eckcdsa/eckcdsa.cpp
+++ b/src/lib/pubkey/eckcdsa/eckcdsa.cpp
@@ -100,10 +100,9 @@ ECKCDSA_Signature_Operation::raw_sign(const byte msg[], size_t,
const BigInt s = m_mod_order.multiply(m_x, k - w);
BOTAN_ASSERT(s != 0, "invalid s");
- secure_vector<byte> signature(r.bytes() + s.bytes());
- r.binary_encode(signature.data());
- s.binary_encode(&signature[r.bytes()]);
- return signature;
+ secure_vector<byte> output = BigInt::encode_1363(r, c.size());
+ output += BigInt::encode_1363(s, m_mod_order.get_modulus().bytes());
+ return output;
}
/**