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, errn+16(FP) // return 2 - sign/verify was unsuccessful -- if sign, retry with new RN RET golang.org/fips140@v1.0.0-c2097c7c/fips140/v1.0.0-c2097c7c/ecdsa/ecdsa_test.go...