git: 49bb13076532 - main - cryptosoft: Remove unused 'iv' in swcr_ccm_cbc_mac.

The branch main has been updated by jhb:

URL: https://cgit.FreeBSD.org/src/commit/?id=49bb13076532ec9a24ea26cf0c9c4649641c8ea8

commit 49bb13076532ec9a24ea26cf0c9c4649641c8ea8
Author:     John Baldwin <jhb@FreeBSD.org>
AuthorDate: 2021-12-17 21:58:58 +0000
Commit:     John Baldwin <jhb@FreeBSD.org>
CommitDate: 2021-12-17 21:58:58 +0000

    cryptosoft: Remove unused 'iv' in swcr_ccm_cbc_mac.
    
    Reviewed by:    markj
    Sponsored by:   The FreeBSD Foundation
    Differential Revision:  https://reviews.freebsd.org/D33525
---
 sys/opencrypto/cryptosoft.c | 3 ---
 1 file changed, 3 deletions(-)

diff --git a/sys/opencrypto/cryptosoft.c b/sys/opencrypto/cryptosoft.c
index 62dae55f1537..6f03902498b1 100644
--- a/sys/opencrypto/cryptosoft.c
+++ b/sys/opencrypto/cryptosoft.c
@@ -624,7 +624,6 @@ build_ccm_aad_length(u_int aad_length, uint8_t *blk)
 static int
 swcr_ccm_cbc_mac(const struct swcr_session *ses, struct cryptop *crp)
 {
-	u_char iv[AES_BLOCK_LEN];
 	u_char blk[CCM_CBC_BLOCK_LEN];
 	u_char tag[AES_CBC_MAC_HASH_LEN];
 	union authctx ctx;
@@ -645,7 +644,6 @@ swcr_ccm_cbc_mac(const struct swcr_session *ses, struct cryptop *crp)
 
 	/* Initialize the IV */
 	ivlen = csp->csp_ivlen;
-	crypto_read_iv(crp, iv);
 
 	/* Supply MAC with IV */
 	axf->Reinit(&ctx, crp->crp_iv, ivlen);
@@ -679,7 +677,6 @@ swcr_ccm_cbc_mac(const struct swcr_session *ses, struct cryptop *crp)
 	}
 	explicit_bzero(tag, sizeof(tag));
 	explicit_bzero(blk, sizeof(blk));
-	explicit_bzero(iv, sizeof(iv));
 	return (error);
 }