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Adds PCK encryption support (using script encryption key for export).

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Change default encryption mode from ECB to CFB.
This commit is contained in:
bruvzg
2020-04-28 20:51:29 +03:00
parent 52f6ac81be
commit f043eabdd8
18 changed files with 692 additions and 151 deletions
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22
core/crypto/crypto_core.cpp
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@ -140,21 +140,33 @@ Error CryptoCore::AESContext::encrypt_ecb(const uint8_t p_src[16], uint8_t r_dst
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]) {
int ret = mbedtls_aes_crypt_ecb((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::encrypt_cbc(size_t p_length, uint8_t r_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
int ret = mbedtls_aes_crypt_cbc((mbedtls_aes_context *)ctx, MBEDTLS_AES_ENCRYPT, p_length, r_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::encrypt_cfb(size_t p_length, uint8_t p_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
size_t iv_off = 0; // Ignore and assume 16-byte alignment.
int ret = mbedtls_aes_crypt_cfb128((mbedtls_aes_context *)ctx, MBEDTLS_AES_ENCRYPT, p_length, &iv_off, p_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_ecb(const uint8_t p_src[16], uint8_t r_dst[16]) {
int ret = mbedtls_aes_crypt_ecb((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_cbc(size_t p_length, uint8_t r_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
int ret = mbedtls_aes_crypt_cbc((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_length, r_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
Error CryptoCore::AESContext::decrypt_cfb(size_t p_length, uint8_t p_iv[16], const uint8_t *p_src, uint8_t *r_dst) {
size_t iv_off = 0; // Ignore and assume 16-byte alignment.
int ret = mbedtls_aes_crypt_cfb128((mbedtls_aes_context *)ctx, MBEDTLS_AES_DECRYPT, p_length, &iv_off, p_iv, p_src, r_dst);
return ret ? FAILED : OK;
}
// CryptoCore
String CryptoCore::b64_encode_str(const uint8_t *p_src, int p_src_len) {
int b64len = p_src_len / 3 * 4 + 4 + 1;