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removed some unused code due to an always true comparison

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This commit is contained in:
John Safranek
2015-06-24 11:49:30 -06:00
parent 61c50b26d0
commit 8b324b94e9
1 changed files with 17 additions and 31 deletions
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20
wolfcrypt/src/pkcs7.c
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@@ -1166,8 +1166,8 @@ WOLFSSL_LOCAL int wc_CreateRecipientInfo(const byte* cert, word32 certSz,
/* build PKCS#7 envelopedData content type, return enveloped size */ /* build PKCS#7 envelopedData content type, return enveloped size */
int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz) int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
{ {
int i, ret = 0, idx = 0; int i, ret, idx = 0;
int totalSz = 0, padSz = 0, desOutSz = 0; int totalSz, padSz, desOutSz;
int contentInfoSeqSz, outerContentTypeSz, outerContentSz; int contentInfoSeqSz, outerContentTypeSz, outerContentSz;
byte contentInfoSeq[MAX_SEQ_SZ]; byte contentInfoSeq[MAX_SEQ_SZ];
@@ -1180,7 +1180,6 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
RNG rng; RNG rng;
int contentKeyEncSz, blockKeySz; int contentKeyEncSz, blockKeySz;
int dynamicFlag = 0;
byte contentKeyPlain[MAX_CONTENT_KEY_LEN]; byte contentKeyPlain[MAX_CONTENT_KEY_LEN];
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
byte* contentKeyEnc; byte* contentKeyEnc;
@@ -1300,11 +1299,10 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
return BAD_FUNC_ARG; return BAD_FUNC_ARG;
} }
/* allocate encrypted content buffer, pad if necessary, PKCS#7 padding */ /* allocate encrypted content buffer and PKCS#7 padding */
padSz = DES_BLOCK_SIZE - (pkcs7->contentSz % DES_BLOCK_SIZE); padSz = DES_BLOCK_SIZE - (pkcs7->contentSz % DES_BLOCK_SIZE);
desOutSz = pkcs7->contentSz + padSz; desOutSz = pkcs7->contentSz + padSz;
if (padSz != 0) {
plain = (byte*)XMALLOC(desOutSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); plain = (byte*)XMALLOC(desOutSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (plain == NULL) { if (plain == NULL) {
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
@@ -1313,20 +1311,13 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
return MEMORY_E; return MEMORY_E;
} }
XMEMCPY(plain, pkcs7->content, pkcs7->contentSz); XMEMCPY(plain, pkcs7->content, pkcs7->contentSz);
dynamicFlag = 1;
for (i = 0; i < padSz; i++) { for (i = 0; i < padSz; i++) {
plain[pkcs7->contentSz + i] = padSz; plain[pkcs7->contentSz + i] = padSz;
} }
} else {
plain = pkcs7->content;
desOutSz = pkcs7->contentSz;
}
encryptedContent = (byte*)XMALLOC(desOutSz, NULL, DYNAMIC_TYPE_TMP_BUFFER); encryptedContent = (byte*)XMALLOC(desOutSz, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (encryptedContent == NULL) { if (encryptedContent == NULL) {
if (dynamicFlag)
XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER); XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER);
@@ -1344,7 +1335,6 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
if (contentEncAlgoSz == 0) { if (contentEncAlgoSz == 0) {
XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (dynamicFlag)
XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER); XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER);
@@ -1363,7 +1353,6 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
if (ret != 0) { if (ret != 0) {
XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (dynamicFlag)
XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER); XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER);
@@ -1381,7 +1370,6 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
if (ret != 0) { if (ret != 0) {
XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (dynamicFlag)
XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER); XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER);
@@ -1418,7 +1406,6 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
if (totalSz > (int)outputSz) { if (totalSz > (int)outputSz) {
WOLFSSL_MSG("Pkcs7_encrypt output buffer too small"); WOLFSSL_MSG("Pkcs7_encrypt output buffer too small");
XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER);
if (dynamicFlag)
XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(plain, NULL, DYNAMIC_TYPE_TMP_BUFFER);
#ifdef WOLFSSL_SMALL_STACK #ifdef WOLFSSL_SMALL_STACK
XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER); XFREE(recip, NULL, DYNAMMIC_TYPE_TMP_BUFFER);
@@ -1457,7 +1444,6 @@ int wc_PKCS7_EncodeEnvelopedData(PKCS7* pkcs7, byte* output, word32 outputSz)
ForceZero(contentKeyPlain, MAX_CONTENT_KEY_LEN); ForceZero(contentKeyPlain, MAX_CONTENT_KEY_LEN);
if (dynamicFlag)
XFREE(plain, NULL, DYNAMMIC_TYPE_TMP_BUFFER); XFREE(plain, NULL, DYNAMMIC_TYPE_TMP_BUFFER);
XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER); XFREE(encryptedContent, NULL, DYNAMIC_TYPE_TMP_BUFFER);