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Code Issues Releases Activity

Fix AES ECB encryption not encrypting

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This commit is contained in:
Michael Scire 2018-03-08 03:16:50 -08:00
parent b35c418558
commit ec8f27f1be
1 changed files with 5 additions and 1 deletions
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6
exosphere/src/se.c
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@ -540,8 +540,10 @@ void se_aes_ecb_encrypt_block(unsigned int keyslot, void *dst, size_t dst_size,
/* Set configuration high (256-bit vs 128-bit) based on parameter. */ /* Set configuration high (256-bit vs 128-bit) based on parameter. */
SECURITY_ENGINE->CONFIG_REG = (ALG_AES_ENC | DST_MEMORY) | (config_high << 16); SECURITY_ENGINE->CONFIG_REG = (ALG_AES_ENC | DST_MEMORY) | (config_high << 16);
SECURITY_ENGINE->CRYPTO_REG = keyslot << 24; SECURITY_ENGINE->CRYPTO_REG = keyslot << 24 | 0x100;
flush_dcache_range((uint8_t *)src, (uint8_t *)src + 0x10);
se_perform_aes_block_operation(dst, 0x10, src, 0x10); se_perform_aes_block_operation(dst, 0x10, src, 0x10);
flush_dcache_range((uint8_t *)dst, (uint8_t *)dst + 0x10);
} }
@ -561,7 +563,9 @@ void se_aes_ecb_decrypt_block(unsigned int keyslot, void *dst, size_t dst_size,
SECURITY_ENGINE->CONFIG_REG = (ALG_AES_DEC | DST_MEMORY); SECURITY_ENGINE->CONFIG_REG = (ALG_AES_DEC | DST_MEMORY);
SECURITY_ENGINE->CRYPTO_REG = keyslot << 24; SECURITY_ENGINE->CRYPTO_REG = keyslot << 24;
flush_dcache_range((uint8_t *)src, (uint8_t *)src + 0x10);
se_perform_aes_block_operation(dst, 0x10, src, 0x10); se_perform_aes_block_operation(dst, 0x10, src, 0x10);
flush_dcache_range((uint8_t *)dst, (uint8_t *)dst + 0x10);
} }
void shift_left_xor_rb(uint8_t *key) { void shift_left_xor_rb(uint8_t *key) {