33 	size_t			 buf_len;  member
54 	ret->buf_len = ssh_digest_blocksize(ret->ictx);  in ssh_hmac_start()
55 	if ((ret->buf = calloc(1, ret->buf_len)) == NULL)  in ssh_hmac_start()
71 		if (klen <= ctx->buf_len)  in ssh_hmac_init()
74 		    ctx->buf_len) < 0)  in ssh_hmac_init()
76 		for (i = 0; i < ctx->buf_len; i++)  in ssh_hmac_init()
78 		if (ssh_digest_update(ctx->ictx, ctx->buf, ctx->buf_len) < 0)  in ssh_hmac_init()
80 		for (i = 0; i < ctx->buf_len; i++)  in ssh_hmac_init()
82 		if (ssh_digest_update(ctx->octx, ctx->buf, ctx->buf_len) < 0)  in ssh_hmac_init()
84 		explicit_bzero(ctx->buf, ctx->buf_len);  in ssh_hmac_init()
129 			explicit_bzero(ctx->buf, ctx->buf_len);  in ssh_hmac_free()