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kendryte-sdk-source
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fix aes gcm

This commit is contained in:
jiangxiangbing 2018-10-23 10:37:16 +08:00
parent ba4ce38547
commit 057602699d
1 changed files with 6 additions and 18 deletions
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24
lib/drivers/aes.c
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@ -688,15 +688,13 @@ void aes_gcm128_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
uint8_t *output_data,
uint8_t *gcm_tag)
{
configASSERT(input_len % 4 == 0);
aes_init(context->input_key, AES_128, context->iv, IV_LEN_96, context->gcm_aad,
AES_GCM, AES_HARD_DECRYPTION, context->gcm_aad_len, input_len);
sysctl_dma_select(dma_receive_channel_num, SYSCTL_DMA_SELECT_AES_REQ);
aes->dma_sel = 1;
dmac_set_single_mode(dma_receive_channel_num, (void *)(&aes->aes_out_data), output_data, DMAC_ADDR_NOCHANGE, DMAC_ADDR_INCREMENT,
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, input_len >> 2);
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, (input_len + 3) >> 2);
aes_input_bytes(input_data, input_len, AES_GCM);
dmac_wait_done(dma_receive_channel_num);
@ -710,15 +708,13 @@ void aes_gcm128_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
uint8_t *output_data,
uint8_t *gcm_tag)
{
configASSERT(input_len % 4 == 0);
aes_init(context->input_key, AES_128, context->iv, IV_LEN_96, context->gcm_aad,
AES_GCM, AES_HARD_ENCRYPTION, context->gcm_aad_len, input_len);
sysctl_dma_select(dma_receive_channel_num, SYSCTL_DMA_SELECT_AES_REQ);
aes->dma_sel = 1;
dmac_set_single_mode(dma_receive_channel_num, (void *)(&aes->aes_out_data), output_data, DMAC_ADDR_NOCHANGE, DMAC_ADDR_INCREMENT,
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, input_len >> 2);
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, (input_len + 3) >> 2);
aes_input_bytes(input_data, input_len, AES_GCM);
dmac_wait_done(dma_receive_channel_num);
@ -732,15 +728,13 @@ void aes_gcm192_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
uint8_t *output_data,
uint8_t *gcm_tag)
{
configASSERT(input_len % 4 == 0);
aes_init(context->input_key, AES_192, context->iv, IV_LEN_96, context->gcm_aad,
AES_GCM, AES_HARD_DECRYPTION, context->gcm_aad_len, input_len);
sysctl_dma_select(dma_receive_channel_num, SYSCTL_DMA_SELECT_AES_REQ);
aes->dma_sel = 1;
dmac_set_single_mode(dma_receive_channel_num, (void *)(&aes->aes_out_data), output_data, DMAC_ADDR_NOCHANGE, DMAC_ADDR_INCREMENT,
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, input_len >> 2);
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, (input_len + 3) >> 2);
aes_input_bytes(input_data, input_len, AES_GCM);
dmac_wait_done(dma_receive_channel_num);
@ -754,15 +748,13 @@ void aes_gcm192_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
uint8_t *output_data,
uint8_t *gcm_tag)
{
configASSERT(input_len % 4 == 0);
aes_init(context->input_key, AES_192, context->iv, IV_LEN_96, context->gcm_aad,
AES_GCM, AES_HARD_ENCRYPTION, context->gcm_aad_len, input_len);
sysctl_dma_select(dma_receive_channel_num, SYSCTL_DMA_SELECT_AES_REQ);
aes->dma_sel = 1;
dmac_set_single_mode(dma_receive_channel_num, (void *)(&aes->aes_out_data), output_data, DMAC_ADDR_NOCHANGE, DMAC_ADDR_INCREMENT,
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, input_len >> 2);
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, (input_len + 3) >> 2);
aes_input_bytes(input_data, input_len, AES_GCM);
dmac_wait_done(dma_receive_channel_num);
@ -776,15 +768,13 @@ void aes_gcm256_hard_decrypt_dma(dmac_channel_number_t dma_receive_channel_num,
uint8_t *output_data,
uint8_t *gcm_tag)
{
configASSERT(input_len % 4 == 0);
aes_init(context->input_key, AES_256, context->iv, IV_LEN_96, context->gcm_aad,
AES_GCM, AES_HARD_DECRYPTION, context->gcm_aad_len, input_len);
sysctl_dma_select(dma_receive_channel_num, SYSCTL_DMA_SELECT_AES_REQ);
aes->dma_sel = 1;
dmac_set_single_mode(dma_receive_channel_num, (void *)(&aes->aes_out_data), output_data, DMAC_ADDR_NOCHANGE, DMAC_ADDR_INCREMENT,
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, input_len >> 2);
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, (input_len + 3) >> 2);
aes_input_bytes(input_data, input_len, AES_GCM);
dmac_wait_done(dma_receive_channel_num);
@ -798,15 +788,13 @@ void aes_gcm256_hard_encrypt_dma(dmac_channel_number_t dma_receive_channel_num,
uint8_t *output_data,
uint8_t *gcm_tag)
{
configASSERT(input_len % 4 == 0);
aes_init(context->input_key, AES_256, context->iv, IV_LEN_96, context->gcm_aad,
AES_GCM, AES_HARD_ENCRYPTION, context->gcm_aad_len, input_len);
sysctl_dma_select(dma_receive_channel_num, SYSCTL_DMA_SELECT_AES_REQ);
aes->dma_sel = 1;
dmac_set_single_mode(dma_receive_channel_num, (void *)(&aes->aes_out_data), output_data, DMAC_ADDR_NOCHANGE, DMAC_ADDR_INCREMENT,
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, input_len >> 2);
DMAC_MSIZE_4, DMAC_TRANS_WIDTH_32, (input_len + 3) >> 2);
aes_input_bytes(input_data, input_len, AES_GCM);
dmac_wait_done(dma_receive_channel_num);