diff options
Diffstat (limited to 'lib')
| -rw-r--r-- | lib/libcrypto/ecdh/ech_key.c | 8 |
1 files changed, 3 insertions, 5 deletions
diff --git a/lib/libcrypto/ecdh/ech_key.c b/lib/libcrypto/ecdh/ech_key.c index 1dfb3c0fa90..b364b31c882 100644 --- a/lib/libcrypto/ecdh/ech_key.c +++ b/lib/libcrypto/ecdh/ech_key.c @@ -1,4 +1,4 @@ -/* $OpenBSD: ech_key.c,v 1.20 2023/07/01 14:39:34 tb Exp $ */ +/* $OpenBSD: ech_key.c,v 1.21 2023/07/01 14:48:01 tb Exp $ */ /* ==================================================================== * Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED. * @@ -98,8 +98,8 @@ ossl_ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, const BIGNUM *priv_key; const EC_GROUP* group; int ret = -1; - size_t buflen, len; unsigned char *buf = NULL; + int buflen, len; if (outlen > INT_MAX) { /* Sort of, anyway. */ @@ -156,9 +156,7 @@ ossl_ecdh_compute_key(void *out, size_t outlen, const EC_POINT *pub_key, ECDHerror(ERR_R_MALLOC_FAILURE); goto err; } - - memset(buf, 0, buflen - len); - if (len != (size_t)BN_bn2bin(x, buf + buflen - len)) { + if (BN_bn2binpad(x, buf, buflen) != buflen) { ECDHerror(ERR_R_BN_LIB); goto err; } |