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-rw-r--r--docs/olm.rst2
-rw-r--r--src/pk.cpp2
2 files changed, 2 insertions, 2 deletions
diff --git a/docs/olm.rst b/docs/olm.rst
index 9f82c8e..9c13478 100644
--- a/docs/olm.rst
+++ b/docs/olm.rst
@@ -72,7 +72,7 @@ info.
Advancing the chain key
~~~~~~~~~~~~~~~~~~~~~~~
-Advancing a chain key takes the previous chain key, :math:`C_{i,j-i}`. The next
+Advancing a chain key takes the previous chain key, :math:`C_{i,j-1}`. The next
chain key, :math:`C_{i,j}`, is the HMAC-SHA-256_ of ``"\x02"`` using the
previous chain key as the key.
diff --git a/src/pk.cpp b/src/pk.cpp
index b8fe95b..e646dc4 100644
--- a/src/pk.cpp
+++ b/src/pk.cpp
@@ -189,7 +189,7 @@ size_t olm_pk_generate_key(
void * pubkey, size_t pubkey_length,
void * random, size_t random_length
) {
- if (pubkey_length < CURVE25519_KEY_LENGTH) {
+ if (pubkey_length < olm_pk_key_length()) {
decryption->last_error =
OlmErrorCode::OLM_OUTPUT_BUFFER_TOO_SMALL;
return std::size_t(-1);