32 	size_t			 buf_len;  member
53 	ret->buf_len = ssh_digest_blocksize(ret->ictx);  in ssh_hmac_start()
54 	if ((ret->buf = calloc(1, ret->buf_len)) == NULL)  in ssh_hmac_start()
70 		if (klen <= ctx->buf_len)  in ssh_hmac_init()
73 		    ctx->buf_len) < 0)  in ssh_hmac_init()
75 		for (i = 0; i < ctx->buf_len; i++)  in ssh_hmac_init()
77 		if (ssh_digest_update(ctx->ictx, ctx->buf, ctx->buf_len) < 0)  in ssh_hmac_init()
79 		for (i = 0; i < ctx->buf_len; i++)  in ssh_hmac_init()
81 		if (ssh_digest_update(ctx->octx, ctx->buf, ctx->buf_len) < 0)  in ssh_hmac_init()
83 		explicit_bzero(ctx->buf, ctx->buf_len);  in ssh_hmac_init()
128 			explicit_bzero(ctx->buf, ctx->buf_len);  in ssh_hmac_free()