diff options
Diffstat (limited to 'net/sunrpc/auth_gss/gss_krb5_crypto.c')
-rw-r--r-- | net/sunrpc/auth_gss/gss_krb5_crypto.c | 15 |
1 files changed, 11 insertions, 4 deletions
diff --git a/net/sunrpc/auth_gss/gss_krb5_crypto.c b/net/sunrpc/auth_gss/gss_krb5_crypto.c index 967484a914f..33ae7023cf3 100644 --- a/net/sunrpc/auth_gss/gss_krb5_crypto.c +++ b/net/sunrpc/auth_gss/gss_krb5_crypto.c @@ -132,7 +132,7 @@ checksummer(struct scatterlist *sg, void *data) u32 make_checksum(struct krb5_ctx *kctx, char *header, int hdrlen, struct xdr_buf *body, int body_offset, u8 *cksumkey, - struct xdr_netobj *cksumout) + unsigned int usage, struct xdr_netobj *cksumout) { struct hash_desc desc; struct scatterlist sg[1]; @@ -208,7 +208,7 @@ out: u32 make_checksum_v2(struct krb5_ctx *kctx, char *header, int hdrlen, struct xdr_buf *body, int body_offset, u8 *cksumkey, - struct xdr_netobj *cksumout) + unsigned int usage, struct xdr_netobj *cksumout) { struct hash_desc desc; struct scatterlist sg[1]; @@ -537,15 +537,18 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, int nblocks, nbytes; struct encryptor_desc desc; u32 cbcbytes; + unsigned int usage; if (kctx->initiate) { cipher = kctx->initiator_enc; aux_cipher = kctx->initiator_enc_aux; cksumkey = kctx->initiator_integ; + usage = KG_USAGE_INITIATOR_SEAL; } else { cipher = kctx->acceptor_enc; aux_cipher = kctx->acceptor_enc_aux; cksumkey = kctx->acceptor_integ; + usage = KG_USAGE_ACCEPTOR_SEAL; } blocksize = crypto_blkcipher_blocksize(cipher); @@ -590,7 +593,8 @@ gss_krb5_aes_encrypt(struct krb5_ctx *kctx, u32 offset, buf->pages = pages; err = make_checksum_v2(kctx, NULL, 0, buf, - offset + GSS_KRB5_TOK_HDR_LEN, cksumkey, &hmac); + offset + GSS_KRB5_TOK_HDR_LEN, + cksumkey, usage, &hmac); buf->pages = save_pages; if (err) return GSS_S_FAILURE; @@ -654,15 +658,18 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, u8 pkt_hmac[GSS_KRB5_MAX_CKSUM_LEN]; int nblocks, blocksize, cbcbytes; struct decryptor_desc desc; + unsigned int usage; if (kctx->initiate) { cipher = kctx->acceptor_enc; aux_cipher = kctx->acceptor_enc_aux; cksum_key = kctx->acceptor_integ; + usage = KG_USAGE_ACCEPTOR_SEAL; } else { cipher = kctx->initiator_enc; aux_cipher = kctx->initiator_enc_aux; cksum_key = kctx->initiator_integ; + usage = KG_USAGE_INITIATOR_SEAL; } blocksize = crypto_blkcipher_blocksize(cipher); @@ -705,7 +712,7 @@ gss_krb5_aes_decrypt(struct krb5_ctx *kctx, u32 offset, struct xdr_buf *buf, our_hmac_obj.data = our_hmac; ret = make_checksum_v2(kctx, NULL, 0, &subbuf, 0, - cksum_key, &our_hmac_obj); + cksum_key, usage, &our_hmac_obj); if (ret) goto out_err; |