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Fix some clang warnings

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The af_alg engine and associated test were creating warnings when compiled
with clang. This fixes it.

Reviewed-by: Richard Levitte <levitte@openssl.org>
This commit is contained in:
Matt Caswell 2016-03-07 12:36:20 +00:00
parent e2524943ce
commit a193388811
2 changed files with 16 additions and 16 deletions
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11
engines/afalg/e_afalg.c
View File

@ -129,7 +129,7 @@ static int afalg_chk_platform(void);
static const char *engine_afalg_id = "afalg";
static const char *engine_afalg_name = "AFLAG engine support";
int afalg_cipher_nids[] = {
static int afalg_cipher_nids[] = {
NID_aes_128_cbc
};
@ -445,14 +445,11 @@ static int afalg_start_cipher_sk(afalg_ctx *actx, const unsigned char *in,
# ifdef ALG_ZERO_COPY
int ret;
# endif
char cbuf[CMSG_SPACE(ALG_IV_LEN(ALG_AES_IV_LEN)) + CMSG_SPACE(ALG_OP_LEN)];
const ssize_t cbuf_sz = CMSG_SPACE(ALG_IV_LEN(ALG_AES_IV_LEN))
+ CMSG_SPACE(ALG_OP_LEN);
char cbuf[cbuf_sz];
memset(cbuf, 0, cbuf_sz);
memset(cbuf, 0, sizeof(cbuf));
msg.msg_control = cbuf;
msg.msg_controllen = cbuf_sz;
msg.msg_controllen = sizeof(cbuf);
/*
* cipher direction (i.e. encrypt or decrypt) and iv are sent to the

21
test/afalgtest.c
View File

@ -58,6 +58,10 @@
#include <string.h>
#ifndef OPENSSL_NO_AFALGENG
/* Use a buffer size which is not aligned to block size */
#define BUFFER_SIZE (8 * 1024) - 13
static int test_afalg_aes_128_cbc(ENGINE *e)
{
EVP_CIPHER_CTX *ctx;
@ -66,11 +70,10 @@ static int test_afalg_aes_128_cbc(ENGINE *e)
\x1D\x83\x27\xDE\xB8\x82\xCF\x99";
unsigned char iv[] = "\x2B\x95\x99\x0A\x91\x51\x37\x4A\
\xBD\x8F\xF8\xC5\xA7\xA0\xFE\x08";
/* Use a buffer which is not aligned to block size */
const int bufsz = (8 * 1024) - 13;
unsigned char in[bufsz];
unsigned char ebuf[bufsz + 32];
unsigned char dbuf[bufsz + 32];
unsigned char in[BUFFER_SIZE];
unsigned char ebuf[BUFFER_SIZE + 32];
unsigned char dbuf[BUFFER_SIZE + 32];
int encl, encf, decl, decf;
unsigned int status = 0;
@ -80,10 +83,10 @@ static int test_afalg_aes_128_cbc(ENGINE *e)
return 0;
}
EVP_CIPHER_CTX_init(ctx);
RAND_bytes(in, bufsz);
RAND_bytes(in, BUFFER_SIZE);
if ( !EVP_CipherInit_ex(ctx, cipher, e, key, iv, 1)
|| !EVP_CipherUpdate(ctx, ebuf, &encl, in, bufsz)
|| !EVP_CipherUpdate(ctx, ebuf, &encl, in, BUFFER_SIZE)
|| !EVP_CipherFinal_ex(ctx, ebuf+encl, &encf)) {
fprintf(stderr, "%s() failed encryption\n", __func__);
goto end;
@ -99,8 +102,8 @@ static int test_afalg_aes_128_cbc(ENGINE *e)
}
decl += decf;
if ( decl != bufsz
|| memcmp(dbuf, in, bufsz)) {
if ( decl != BUFFER_SIZE
|| memcmp(dbuf, in, BUFFER_SIZE)) {
fprintf(stderr, "%s() failed Dec(Enc(P)) != P\n", __func__);
goto end;
}