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/trusted-firmware-m-3.7.0/platform/ext/accelerator/cc312/cc312-rom/
Dcc3xx_chacha.c119 uint32_t poly_key[CC3XX_CHACHA_BLOCK_SIZE / sizeof(uint32_t)] = {0}; in cc3xx_lowlevel_chacha20_init() local
162 cc3xx_lowlevel_dma_set_output(poly_key, sizeof(poly_key)); in cc3xx_lowlevel_chacha20_init()
163 cc3xx_lowlevel_dma_buffered_input_data(poly_key, sizeof(poly_key), true); in cc3xx_lowlevel_chacha20_init()
169 cc3xx_lowlevel_poly1305_init(poly_key, in cc3xx_lowlevel_chacha20_init()
170 poly_key + (POLY1305_KEY_SIZE / sizeof(uint32_t))); in cc3xx_lowlevel_chacha20_init()