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Remove the existence of WOLFSSL_AESCCM_STREAM

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This commit is contained in:
Andras Fekete
2023-01-04 14:17:36 -05:00
parent 0ec0c05eda
commit af2c5cf18b
1 changed files with 0 additions and 93 deletions
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93
wolfcrypt/src/evp.c
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@ -674,7 +674,6 @@ static int wolfSSL_EVP_CipherUpdate_GCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
#endif /* HAVE_AESGCM */
#if defined(HAVE_AESCCM)
#ifndef WOLFSSL_AESCCM_STREAM
static int wolfSSL_EVP_CipherUpdate_CCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
const unsigned char *in, int inl) {
if (in && inl > 0) {
@ -692,13 +691,11 @@ static int wolfSSL_EVP_CipherUpdate_CCM_AAD(WOLFSSL_EVP_CIPHER_CTX *ctx,
}
return 0;
}
#endif /* WOLFSSL_AESCCM_STREAM */
static int wolfSSL_EVP_CipherUpdate_CCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
unsigned char *out, int *outl,
const unsigned char *in, int inl)
{
#ifndef WOLFSSL_AESCCM_STREAM
int ret = 0;
*outl = inl;
@ -730,14 +727,6 @@ static int wolfSSL_EVP_CipherUpdate_CCM(WOLFSSL_EVP_CIPHER_CTX *ctx,
}
return WOLFSSL_SUCCESS;
#else
(void)ctx;
(void)out;
(void)outl;
(void)in;
(void)inl;
return WOLFSSL_FAILURE; /* unsupported */
#endif /* WOLFSSL_AESCCM_STREAM */
}
#endif /* HAVE_AESCCM */
@ -1053,7 +1042,6 @@ int wolfSSL_EVP_CipherFinal(WOLFSSL_EVP_CIPHER_CTX *ctx, unsigned char *out,
case AES_128_CCM_TYPE:
case AES_192_CCM_TYPE:
case AES_256_CCM_TYPE:
#ifndef WOLFSSL_AESCCM_STREAM
if ((ctx->gcmccmBuffer && ctx->gcmccmBufferLen > 0)
|| (ctx->gcmccmBufferLen == 0)) {
if (ctx->enc)
@ -1089,9 +1077,6 @@ int wolfSSL_EVP_CipherFinal(WOLFSSL_EVP_CIPHER_CTX *ctx, unsigned char *out,
else {
*outl = 0;
}
#else
ret = WOLFSSL_FAILURE; /* not supported */
#endif /* WOLFSSL_AESCCM_STREAM */
if (ret == WOLFSSL_SUCCESS) {
if (ctx->gcmccmIncIv) {
ctx->gcmccmIncIv = 0;
@ -6392,32 +6377,16 @@ int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD* type)
}
#endif
#ifndef WOLFSSL_AESCCM_STREAM
if (ret == WOLFSSL_SUCCESS && key &&
wc_AesCcmSetKey(&ctx->cipher.aes, key, ctx->keyLen)) {
WOLFSSL_MSG("wc_AesCcmSetKey() failed");
ret = WOLFSSL_FAILURE;
}
#endif /* !WOLFSSL_AESCCM_STREAM */
if (ret == WOLFSSL_SUCCESS && iv &&
wc_AesCcmSetNonce(&ctx->cipher.aes, iv, ctx->ivSz)) {
WOLFSSL_MSG("wc_AesCcmSetNonce() failed");
ret = WOLFSSL_FAILURE;
}
#ifdef WOLFSSL_AESCCM_STREAM
/*
* Initialize with key and IV if available. wc_AesCcmInit will fail
* if called with IV only and no key has been set.
*/
if (ret == WOLFSSL_SUCCESS &&
(key || (iv && ctx->cipher.aes.gcmKeySet)) &&
wc_AesCcmInit(&ctx->cipher.aes, key,
(key == NULL) ? 0 : ctx->keyLen, iv,
(iv == NULL) ? 0 : ctx->ivSz) != 0) {
WOLFSSL_MSG("wc_AesCcmInit() failed");
ret = WOLFSSL_FAILURE;
}
#endif /* WOLFSSL_AESCCM_STREAM */
/*
* OpenSSL clears this flag, which permits subsequent use of
@ -6436,7 +6405,6 @@ int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD* type)
{
int ret = WOLFSSL_FAILURE;
#ifndef WOLFSSL_AESCCM_STREAM
/* No destination means only AAD. */
if (src != NULL && dst == NULL) {
ret = wolfSSL_EVP_CipherUpdate_CCM_AAD(ctx, src, len);
@ -6460,67 +6428,6 @@ int wolfSSL_EVP_MD_type(const WOLFSSL_EVP_MD* type)
ctx->gcmccmIncIv = 0;
}
}
#else
/*
* No need to call wc_AesCcmInit. Should have been called by
* wolfSSL_EVP_CipherInit.
*/
/* NULL dst and non-NULL src means only AAD. */
if (src != NULL && dst == NULL) {
if (ctx->enc) {
ret = wc_AesCcmEncryptUpdate(&ctx->cipher.aes, NULL,
NULL, 0, src, len);
}
else {
ret = wc_AesCcmDecryptUpdate(&ctx->cipher.aes, NULL,
NULL, 0, src, len);
}
}
/* Only plain/cipher text. */
else if (src != NULL && dst != NULL) {
if (ctx->enc) {
ret = wc_AesCcmEncryptUpdate(&ctx->cipher.aes, dst, src,
len, NULL, 0);
}
else {
ret = wc_AesCcmDecryptUpdate(&ctx->cipher.aes, dst, src,
len, NULL, 0);
}
}
/*
* src == NULL is analogous to other "final"-type functions
* (e.g. EVP_CipherFinal). Calculates tag on encrypt
* and checks tag on decrypt.
*/
else {
if (ctx->enc) {
/* Calculate authentication tag. */
ret = wc_AesCcmEncryptFinal(&ctx->cipher.aes,
ctx->authTag, ctx->authTagSz);
/*
* wc_AesCcmEncryptFinal increments the IV in
* ctx->cipher.aes.reg, so we don't call IncCtr here.
*/
}
else {
/* Calculate authentication tag and compare. */
ret = wc_AesCcmDecryptFinal(&ctx->cipher.aes,
ctx->authTag, ctx->authTagSz);
if (ctx->gcmccmIncIv) {
IncCtr((byte*)ctx->cipher.aes.reg,
ctx->cipher.aes.nonceSz);
}
}
/* Reinitialize for subsequent wolfSSL_EVP_Cipher calls. */
if (wc_AesCcmInit(&ctx->cipher.aes, NULL, 0,
(byte*)ctx->cipher.aes.reg,
ctx->ivSz) != 0) {
WOLFSSL_MSG("wc_AesCcmInit failed");
return WOLFSSL_FATAL_ERROR;
}
ctx->gcmccmIncIv = 0;
}
#endif /* WOLFSSL_AESCCM_STREAM */
if (src == NULL) {
/*
* Clear any leftover AAD on final (final is when src is