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-rw-r--r--include/olm/crypto.hh39
1 files changed, 38 insertions, 1 deletions
diff --git a/include/olm/crypto.hh b/include/olm/crypto.hh
index 7f8f069..b845bfe 100644
--- a/include/olm/crypto.hh
+++ b/include/olm/crypto.hh
@@ -33,6 +33,18 @@ struct Curve25519KeyPair : public Curve25519PublicKey {
};
+struct Ed25519PublicKey {
+ static const int LENGTH = 32;
+ std::uint8_t public_key[32];
+};
+
+
+struct Ed25519KeyPair : public Ed25519PublicKey {
+ static const int LENGTH = 64;
+ std::uint8_t private_key[32];
+};
+
+
/** Generate a curve25519 key pair from 32 random bytes. */
void curve25519_generate_key(
std::uint8_t const * random_32_bytes,
@@ -61,7 +73,7 @@ void curve25519_sign(
);
-/** Verify thei message using their public key.
+/** Verify their message using their public key.
* The signature input buffer must be 64 bytes long.
* Returns true if the signature is valid. */
bool curve25519_verify(
@@ -70,6 +82,31 @@ bool curve25519_verify(
std::uint8_t const * signature
);
+/** Generate a curve25519 key pair from 32 random bytes. */
+void ed25519_generate_key(
+ std::uint8_t const * random_32_bytes,
+ Ed25519KeyPair & key_pair
+);
+
+
+/** Signs the message using our private key.
+ * The output buffer must be at least 64 bytes long. */
+void ed25519_sign(
+ Ed25519KeyPair const & our_key,
+ std::uint8_t const * message, std::size_t message_length,
+ std::uint8_t * output
+);
+
+
+/** Verify their message using their public key.
+ * The signature input buffer must be 64 bytes long.
+ * Returns true if the signature is valid. */
+bool ed25519_verify(
+ Ed25519PublicKey const & their_key,
+ std::uint8_t const * message, std::size_t message_length,
+ std::uint8_t const * signature
+);
+
struct Aes256Key {
static const int LENGTH = 32;