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Set error when HKDF used without parameters

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Introduce KDF_F_PKEY_HKDF_DERIVE and return the KDF_R_MISSING_PARAMETER
error code when required parameters have not been set. This will make
"openssl pkeyutl -kdf HKDF" return a meaningful error message instead of
simply "Public Key operation error".

Reviewed-by: Paul Dale <paul.dale@oracle.com>
Reviewed-by: Stephen Henson <steve@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3989)
This commit is contained in:
Johannes Bauer 2017-07-22 00:11:39 +02:00 committed by Dr. Stephen Henson
parent d9ca12cbf6
commit e65f650922
4 changed files with 6 additions and 1 deletions
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1
crypto/err/openssl.txt
View File

@ -700,6 +700,7 @@ EVP_F_PKEY_SET_TYPE:158:pkey_set_type
EVP_F_RC2_MAGIC_TO_METH:109:rc2_magic_to_meth
EVP_F_RC5_CTRL:125:rc5_ctrl
EVP_F_UPDATE:173:update
KDF_F_PKEY_HKDF_DERIVE:102:pkey_hkdf_derive
KDF_F_PKEY_TLS1_PRF_CTRL_STR:100:pkey_tls1_prf_ctrl_str
KDF_F_PKEY_TLS1_PRF_DERIVE:101:pkey_tls1_prf_derive
OBJ_F_OBJ_ADD_OBJECT:105:OBJ_add_object

4
crypto/kdf/hkdf.c
View File

@ -177,8 +177,10 @@ static int pkey_hkdf_derive(EVP_PKEY_CTX *ctx, unsigned char *key,
{
HKDF_PKEY_CTX *kctx = ctx->data;
if (kctx->md == NULL || kctx->key == NULL)
if (kctx->md == NULL || kctx->key == NULL) {
KDFerr(KDF_F_PKEY_HKDF_DERIVE, KDF_R_MISSING_PARAMETER);
return 0;
}
switch (kctx->mode) {
case EVP_PKEY_HKDEF_MODE_EXTRACT_AND_EXPAND:

1
crypto/kdf/kdf_err.c
View File

@ -14,6 +14,7 @@
#ifndef OPENSSL_NO_ERR
static const ERR_STRING_DATA KDF_str_functs[] = {
{ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_HKDF_DERIVE, 0), "pkey_hkdf_derive"},
{ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_TLS1_PRF_CTRL_STR, 0),
"pkey_tls1_prf_ctrl_str"},
{ERR_PACK(ERR_LIB_KDF, KDF_F_PKEY_TLS1_PRF_DERIVE, 0),

1
include/openssl/kdferr.h
View File

@ -22,6 +22,7 @@ int ERR_load_KDF_strings(void);
/*
* KDF function codes.
*/
# define KDF_F_PKEY_HKDF_DERIVE 102
# define KDF_F_PKEY_TLS1_PRF_CTRL_STR 100
# define KDF_F_PKEY_TLS1_PRF_DERIVE 101