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-rw-r--r--crypto/des/des.h1
1 files changed, 1 insertions, 0 deletions
diff --git a/crypto/des/des.h b/crypto/des/des.h
index 7c029e01ee..141526ba05 100644
--- a/crypto/des/des.h
+++ b/crypto/des/des.h
@@ -151,6 +151,7 @@ void des_ecb3_encrypt(const_des_cblock *input, des_cblock *output,
DES_LONG des_cbc_cksum(const unsigned char *input,des_cblock *output,
long length,des_key_schedule schedule,
const_des_cblock *ivec);
+/* des_cbc_encrypt does not update the IV! Use des_ncbc_encrypt instead. */
void des_cbc_encrypt(const unsigned char *input,unsigned char *output,
long length,des_key_schedule schedule,des_cblock *ivec,
int enc);