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-rw-r--r--libbb/pw_encrypt_des.c4
1 files changed, 3 insertions, 1 deletions
diff --git a/libbb/pw_encrypt_des.c b/libbb/pw_encrypt_des.c
index 52548d6..c8e02dd 100644
--- a/libbb/pw_encrypt_des.c
+++ b/libbb/pw_encrypt_des.c
@@ -778,8 +778,10 @@ des_crypt(struct des_ctx *ctx, char output[DES_OUT_BUFSIZE],
to64_msb_first(output + 2, (r0 >> 8));
/* bits 7..0 of r0 and 31..16 of r1 */
to64_msb_first(output + 6, (r0 << 16) | (r1 >> 16));
- /* (bits 15..0 of r1 + 00) and NUL byte */
+ /* bits 15..0 of r1 and two zero bits (plus extra zero byte) */
to64_msb_first(output + 10, (r1 << 8));
+ /* extra zero byte is encoded as '.', fixing it */
+ output[13] = '\0';
#endif
return output;