Add support for aes-128/192/256-ctr to the cryptodev engine. (be2c4d9b) · Commits · CYBER - Cyber Security / TS 103 523 MSP / ETS / ETS OpenSSL

crypto/engine/eng_cryptodev.c

+51 −0

Original line number	Diff line number	Diff line
		@@ -147,6 +147,9 @@ static struct {
		{ CRYPTO_AES_CBC, NID_aes_128_cbc, 16, 16, },
		{ CRYPTO_AES_CBC, NID_aes_192_cbc, 16, 24, },
		{ CRYPTO_AES_CBC, NID_aes_256_cbc, 16, 32, },
		{ CRYPTO_AES_CTR, NID_aes_128_ctr, 14, 16, },
		{ CRYPTO_AES_CTR, NID_aes_192_ctr, 14, 24, },
		{ CRYPTO_AES_CTR, NID_aes_256_ctr, 14, 32, },
		{ CRYPTO_BLF_CBC, NID_bf_cbc, 8, 16, },
		{ CRYPTO_CAST_CBC, NID_cast5_cbc, 8, 16, },
		{ CRYPTO_SKIPJACK_CBC, NID_undef, 0, 0, },
		@@ -600,6 +603,45 @@ const EVP_CIPHER cryptodev_aes_256_cbc = {
		NULL
		};

		const EVP_CIPHER cryptodev_aes_ctr = {
		NID_aes_128_ctr,
		16, 16, 14,
		EVP_CIPH_CTR_MODE,
		cryptodev_init_key,
		cryptodev_cipher,
		cryptodev_cleanup,
		sizeof(struct dev_crypto_state),
		EVP_CIPHER_set_asn1_iv,
		EVP_CIPHER_get_asn1_iv,
		NULL
		};

		const EVP_CIPHER cryptodev_aes_ctr_192 = {
		NID_aes_192_ctr,
		16, 24, 14,
		EVP_CIPH_CTR_MODE,
		cryptodev_init_key,
		cryptodev_cipher,
		cryptodev_cleanup,
		sizeof(struct dev_crypto_state),
		EVP_CIPHER_set_asn1_iv,
		EVP_CIPHER_get_asn1_iv,
		NULL
		};

		const EVP_CIPHER cryptodev_aes_ctr_256 = {
		NID_aes_256_ctr,
		16, 32, 14,
		EVP_CIPH_CTR_MODE,
		cryptodev_init_key,
		cryptodev_cipher,
		cryptodev_cleanup,
		sizeof(struct dev_crypto_state),
		EVP_CIPHER_set_asn1_iv,
		EVP_CIPHER_get_asn1_iv,
		NULL
		};

		/*
		* Registered by the ENGINE when used to find out how to deal with
		* a particular NID in the ENGINE. this says what we'll do at the
		@@ -637,6 +679,15 @@ cryptodev_engine_ciphers(ENGINE e, const EVP_CIPHER *cipher,
		case NID_aes_256_cbc:
		*cipher = &cryptodev_aes_256_cbc;
		break;
		case NID_aes_128_ctr:
		*cipher = &cryptodev_aes_ctr;
		break;
		case NID_aes_192_ctr:
		*cipher = &cryptodev_aes_ctr_192;
		break;
		case NID_aes_256_ctr:
		*cipher = &cryptodev_aes_ctr_256;
		break;
		default:
		*cipher = NULL;
		break;