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des encrypt: fix goof with NUL byte added at the end as '.'

This commit is contained in:
Denys Vlasenko 2009-05-01 03:41:25 +02:00
parent 05ae400830
commit 44d1989997
1 changed files with 3 additions and 1 deletions
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4
libbb/pw_encrypt_des.c
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@ -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;