diff options
Diffstat (limited to 'drivers/staging/rt2860/common/cmm_aes.c')
| -rw-r--r-- | drivers/staging/rt2860/common/cmm_aes.c | 66 |
1 files changed, 33 insertions, 33 deletions
diff --git a/drivers/staging/rt2860/common/cmm_aes.c b/drivers/staging/rt2860/common/cmm_aes.c index a3758b0b8a29..030678caf348 100644 --- a/drivers/staging/rt2860/common/cmm_aes.c +++ b/drivers/staging/rt2860/common/cmm_aes.c @@ -277,7 +277,7 @@ void construct_mic_header2(unsigned char *mic_header2, mic_header2[4] = mpdu[20]; mic_header2[5] = mpdu[21]; - // In Sequence Control field, mute sequence numer bits (12-bit) + /* In Sequence Control field, mute sequence numer bits (12-bit) */ mic_header2[6] = mpdu[22] & 0x0f; /* SC */ mic_header2[7] = 0x00; /* mpdu[23]; */ @@ -403,7 +403,7 @@ void construct_ctr_preload(unsigned char *ctr_preload, for (i = 8; i < 14; i++) ctr_preload[i] = pn_vector[13 - i]; /* ctr_preload[8:13] = PN[5:0] */ #endif - ctr_preload[14] = (unsigned char)(c / 256); // Ctr + ctr_preload[14] = (unsigned char)(c / 256); /* Ctr */ ctr_preload[15] = (unsigned char)(c % 256); } @@ -477,12 +477,12 @@ BOOLEAN RTMPSoftDecryptAES(IN PRTMP_ADAPTER pAd, PN[4] = *(pData + HeaderLen + 6); PN[5] = *(pData + HeaderLen + 7); - payload_len = DataByteCnt - HeaderLen - 8 - 8; // 8 bytes for CCMP header , 8 bytes for MIC + payload_len = DataByteCnt - HeaderLen - 8 - 8; /* 8 bytes for CCMP header , 8 bytes for MIC */ payload_remainder = (payload_len) % 16; num_blocks = (payload_len) / 16; - // Find start of payload - payload_index = HeaderLen + 8; //IV+EIV + /* Find start of payload */ + payload_index = HeaderLen + 8; /*IV+EIV */ for (i = 0; i < num_blocks; i++) { construct_ctr_preload(ctr_preload, @@ -495,10 +495,10 @@ BOOLEAN RTMPSoftDecryptAES(IN PRTMP_ADAPTER pAd, payload_index += 16; } - // - // If there is a short final block, then pad it - // encrypt it and copy the unpadded part back - // + /* */ + /* If there is a short final block, then pad it */ + /* encrypt it and copy the unpadded part back */ + /* */ if (payload_remainder > 0) { construct_ctr_preload(ctr_preload, a4_exists, @@ -515,9 +515,9 @@ BOOLEAN RTMPSoftDecryptAES(IN PRTMP_ADAPTER pAd, payload_remainder); payload_index += payload_remainder; } - // - // Descrypt the MIC - // + /* */ + /* Descrypt the MIC */ + /* */ construct_ctr_preload(ctr_preload, a4_exists, qc_exists, pData, PN, 0); NdisZeroMemory(padded_buffer, 16); NdisMoveMemory(padded_buffer, pData + payload_index, 8); @@ -528,15 +528,15 @@ BOOLEAN RTMPSoftDecryptAES(IN PRTMP_ADAPTER pAd, NdisMoveMemory(TrailMIC, chain_buffer, 8); - // - // Calculate MIC - // + /* */ + /* Calculate MIC */ + /* */ - //Force the protected frame bit on + /*Force the protected frame bit on */ *(pData + 1) = *(pData + 1) | 0x40; - // Find start of payload - // Because the CCMP header has been removed + /* Find start of payload */ + /* Because the CCMP header has been removed */ payload_index = HeaderLen; construct_mic_iv(mic_iv, qc_exists, a4_exists, pData, payload_len, PN); @@ -551,14 +551,14 @@ BOOLEAN RTMPSoftDecryptAES(IN PRTMP_ADAPTER pAd, bitwise_xor(aes_out, mic_header2, chain_buffer); aes128k128d(pWpaKey[KeyID].Key, chain_buffer, aes_out); - // iterate through each 16 byte payload block + /* iterate through each 16 byte payload block */ for (i = 0; i < num_blocks; i++) { bitwise_xor(aes_out, pData + payload_index, chain_buffer); payload_index += 16; aes128k128d(pWpaKey[KeyID].Key, chain_buffer, aes_out); } - // Add on the final payload block if it needs padding + /* Add on the final payload block if it needs padding */ if (payload_remainder > 0) { NdisZeroMemory(padded_buffer, 16); NdisMoveMemory(padded_buffer, pData + payload_index, @@ -567,13 +567,13 @@ BOOLEAN RTMPSoftDecryptAES(IN PRTMP_ADAPTER pAd, bitwise_xor(aes_out, padded_buffer, chain_buffer); aes128k128d(pWpaKey[KeyID].Key, chain_buffer, aes_out); } - // aes_out contains padded mic, discard most significant - // 8 bytes to generate 64 bit MIC + /* aes_out contains padded mic, discard most significant */ + /* 8 bytes to generate 64 bit MIC */ for (i = 0; i < 8; i++) MIC[i] = aes_out[i]; if (!NdisEqualMemory(MIC, TrailMIC, 8)) { - DBGPRINT(RT_DEBUG_ERROR, ("RTMPSoftDecryptAES, MIC Error !\n")); //MIC error. + DBGPRINT(RT_DEBUG_ERROR, ("RTMPSoftDecryptAES, MIC Error !\n")); /*MIC error. */ return FALSE; } @@ -1208,27 +1208,27 @@ VOID AES_GTK_KEY_WRAP(IN UCHAR * key, { UCHAR A[8], BIN[16], BOUT[16]; UCHAR R[512]; - INT num_blocks = p_len / 8; // unit:64bits + INT num_blocks = p_len / 8; /* unit:64bits */ INT i, j; aes_context aesctx; UCHAR xor; rt_aes_set_key(&aesctx, key, 128); - // Init IA + /* Init IA */ for (i = 0; i < 8; i++) A[i] = 0xa6; - //Input plaintext + /*Input plaintext */ for (i = 0; i < num_blocks; i++) { for (j = 0; j < 8; j++) R[8 * (i + 1) + j] = plaintext[8 * i + j]; } - // Key Mix + /* Key Mix */ for (j = 0; j < 6; j++) { for (i = 1; i <= num_blocks; i++) { - //phase 1 + /*phase 1 */ NdisMoveMemory(BIN, A, 8); NdisMoveMemory(&BIN[8], &R[8 * i], 8); rt_aes_encrypt(&aesctx, BIN, BOUT); @@ -1240,7 +1240,7 @@ VOID AES_GTK_KEY_WRAP(IN UCHAR * key, } } - // Output ciphertext + /* Output ciphertext */ NdisMoveMemory(ciphertext, A, 8); for (i = 1; i <= num_blocks; i++) { @@ -1273,7 +1273,7 @@ VOID AES_GTK_KEY_UNWRAP(IN UCHAR * key, INT i, j; aes_context aesctx; UCHAR *R; - INT num_blocks = c_len / 8; // unit:64bits + INT num_blocks = c_len / 8; /* unit:64bits */ os_alloc_mem(NULL, (PUCHAR *) & R, 512); @@ -1283,9 +1283,9 @@ VOID AES_GTK_KEY_UNWRAP(IN UCHAR * key, return; } /* End of if */ - // Initialize + /* Initialize */ NdisMoveMemory(A, ciphertext, 8); - //Input plaintext + /*Input plaintext */ for (i = 0; i < (c_len - 8); i++) { R[i] = ciphertext[i + 8]; } @@ -1304,7 +1304,7 @@ VOID AES_GTK_KEY_UNWRAP(IN UCHAR * key, } } - // OUTPUT + /* OUTPUT */ for (i = 0; i < c_len; i++) { plaintext[i] = R[i]; } |