sunrpc/auth_gss/gss_krb5_crypto.c

66  * pad minimum plaintext length to at least a single cipher block.
88  * @tfm: initialized cipher transform
96  * cipher's ivsize.
143  * @tfm: initialized cipher transform
151  * cipher's ivsize.
592 gss_krb5_cts_crypt(struct crypto_sync_skcipher *cipher, struct xdr_buf *buf,
597 	SYNC_SKCIPHER_REQUEST_ON_STACK(req, cipher);
626 	skcipher_request_set_sync_tfm(req, cipher);
649 		memcpy(iv, data, crypto_sync_skcipher_ivsize(cipher));
659  * @cts_tfm: CBC cipher with CTS
660  * @cbc_tfm: base CBC cipher
667  * To provide confidentiality, encrypt using cipher block chaining
730  * @cts_tfm: CBC cipher with CTS
731  * @cbc_tfm: base CBC cipher
787 	struct crypto_sync_skcipher *cipher, *aux_cipher;
793 		cipher = kctx->initiator_enc;
797 		cipher = kctx->acceptor_enc;
801 	conflen = crypto_sync_skcipher_blocksize(cipher);
843 	err = krb5_cbc_cts_encrypt(cipher, aux_cipher,
860 	struct crypto_sync_skcipher *cipher, *aux_cipher;
869 		cipher = kctx->acceptor_enc;
873 		cipher = kctx->initiator_enc;
883 	ret = krb5_cbc_cts_decrypt(cipher, aux_cipher, 0, &subbuf);
903 	*headskip = crypto_sync_skcipher_blocksize(cipher);
913  * @cipher: an initialized cipher transform
929 u32 krb5_etm_checksum(struct crypto_sync_skcipher *cipher,
933 	unsigned int ivsize = crypto_sync_skcipher_ivsize(cipher);
942 	/* For RPCSEC, the "initial cipher state" is always all zeroes. */
988  * calculated over the cipher state concatenated with the AES
1000  *    IV = cipher state
1015 	struct crypto_sync_skcipher *cipher, *aux_cipher;
1023 		cipher = kctx->initiator_enc;
1027 		cipher = kctx->acceptor_enc;
1031 	conflen = crypto_sync_skcipher_blocksize(cipher);
1052 	err = krb5_cbc_cts_encrypt(cipher, aux_cipher,
1060 	err = krb5_etm_checksum(cipher, ahash,
1089  *    IV = cipher state
1103 	struct crypto_sync_skcipher *cipher, *aux_cipher;
1112 		cipher = kctx->acceptor_enc;
1116 		cipher = kctx->initiator_enc;
1128 	ret = krb5_etm_checksum(cipher, ahash, &subbuf, 0, &our_hmac_obj);
1140 	ret = krb5_cbc_cts_decrypt(cipher, aux_cipher, 0, &subbuf);
1146 	*headskip = crypto_sync_skcipher_blocksize(cipher);