Merge branch 'rav/ed25519_fix'

3 files changed, 14 insertions, 19 deletions

diff --git a/include/olm/crypto.hh b/include/olm/crypto.hh
index 64e8f7d..484dc83 100644
--- a/include/olm/crypto.hh
+++ b/include/olm/crypto.hh
@@ -25,6 +25,7 @@
 
 namespace olm {
 
+static const std::size_t ED25519_PRIVATE_KEY_LENGTH = 64;
 static const std::size_t KEY_LENGTH = 32;
 static const std::size_t SIGNATURE_LENGTH = 64;
 static const std::size_t IV_LENGTH = 16;
@@ -45,7 +46,7 @@ struct Ed25519PublicKey {
 
 
 struct Ed25519KeyPair : public Ed25519PublicKey {
-    std::uint8_t private_key[KEY_LENGTH];
+    std::uint8_t private_key[ED25519_PRIVATE_KEY_LENGTH];
 };
 
 
@@ -65,24 +66,6 @@ void curve25519_shared_secret(
 );
 
 
-/** Signs the message using our private key.
- * The output buffer must be at least 64 bytes long. */
-void curve25519_sign(
-    Curve25519KeyPair 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 curve25519_verify(
-    Curve25519PublicKey const & their_key,
-    std::uint8_t const * message, std::size_t message_length,
-    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,
diff --git a/include/olm/error.h b/include/olm/error.h
index 98d2cf5..1c44de8 100644
--- a/include/olm/error.h
+++ b/include/olm/error.h
@@ -39,6 +39,13 @@ enum OlmErrorCode {
                                       * known session key.
                                       */
 
+    /**
+     * Attempt to unpickle an account which uses pickle version 1 (which did
+     * not save enough space for the Ed25519 key; the key should be considered
+     * compromised. We don't let the user reload the account.
+     */
+    OLM_BAD_LEGACY_ACCOUNT_PICKLE = 13,
+
     /* remember to update the list of string constants in error.c when updating
      * this list. */
 };
diff --git a/include/olm/olm.h b/include/olm/olm.h
index dbaf71e..0886fa9 100644
--- a/include/olm/olm.h
+++ b/include/olm/olm.h
@@ -33,6 +33,11 @@ typedef struct OlmAccount OlmAccount;
 typedef struct OlmSession OlmSession;
 typedef struct OlmUtility OlmUtility;
 
+/** Get the version number of the library.
+ * Arguments will be updated if non-null.
+ */
+void olm_get_library_version(uint8_t *major, uint8_t *minor, uint8_t *patch);
+
 /** The size of an account object in bytes */
 size_t olm_account_size();