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-rw-r--r--src/crypto/modes/ctr.c3
1 files changed, 1 insertions, 2 deletions
diff --git a/src/crypto/modes/ctr.c b/src/crypto/modes/ctr.c
index 64062b2..306b6f7 100644
--- a/src/crypto/modes/ctr.c
+++ b/src/crypto/modes/ctr.c
@@ -88,8 +88,7 @@ void CRYPTO_ctr128_encrypt(const uint8_t *in, uint8_t *out, size_t len,
block128_f block) {
unsigned int n;
- assert(key && ecount_buf && num);
- assert(len == 0 || (in && out));
+ assert(in && out && key && ecount_buf && num);
assert(*num < 16);
assert((16 % sizeof(size_t)) == 0);