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-rw-r--r--include/crypto/dh.h16
1 files changed, 16 insertions, 0 deletions
diff --git a/include/crypto/dh.h b/include/crypto/dh.h
index 67f3f6bca527..7b863e911cb4 100644
--- a/include/crypto/dh.h
+++ b/include/crypto/dh.h
@@ -79,4 +79,20 @@ int crypto_dh_encode_key(char *buf, unsigned int len, const struct dh *params);
*/
int crypto_dh_decode_key(const char *buf, unsigned int len, struct dh *params);
+/**
+ * __crypto_dh_decode_key() - decode a private key without parameter checks
+ * @buf: Buffer holding a packet key that should be decoded
+ * @len: Length of the packet private key buffer
+ * @params: Buffer allocated by the caller that is filled with the
+ * unpacked DH private key.
+ *
+ * Internal function providing the same services as the exported
+ * crypto_dh_decode_key(), but without any of those basic parameter
+ * checks conducted by the latter.
+ *
+ * Return: -EINVAL if buffer has insufficient size, 0 on success
+ */
+int __crypto_dh_decode_key(const char *buf, unsigned int len,
+ struct dh *params);
+
#endif