(errn uint64) TEXT ·kdsa(SB), NOSPLIT|NOFRAME, $0-24 MOVD fc+0(FP), R0 // function code MOVD params+8(FP), R1 // address parameter block loop: KDSA R0, R4 // compute digital signature authentication BVS loop // branch back if interrupted BGT retry // signing unsuccessful, but retry with new CSPRN BLT error // condition code of 1 indicates a failure success: MOVD $0, errn+16(FP) // return 0 - sign/verify was successful RET error: MOVD $1, errn+16(FP) // return 1 - sign/verify failed RET retry: MOVD $2,...