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-rw-r--r--src/cryptography/hazmat/primitives/serialization.py6
1 files changed, 5 insertions, 1 deletions
diff --git a/src/cryptography/hazmat/primitives/serialization.py b/src/cryptography/hazmat/primitives/serialization.py
index 448062d5..b95ac1cd 100644
--- a/src/cryptography/hazmat/primitives/serialization.py
+++ b/src/cryptography/hazmat/primitives/serialization.py
@@ -116,7 +116,11 @@ def _load_ssh_ecdsa_public_key(expected_key_type, decoded_data, backend):
def _read_next_string(data):
- """Retrieves the next RFC 4251 string value from the data."""
+ """
+ Retrieves the next RFC 4251 string value from the data.
+
+ While the RFC calls these strings, in Python they are bytes objects.
+ """
str_len, = struct.unpack('>I', data[:4])
return data[4:4 + str_len], data[4 + str_len:]