好像所有認可的證書都是要花錢的。去買個證吧。
舉個例子，我做了個自簽jad(窮，沒錢，55~):
MIDlet-1: MOTO-TXT，/icons/loto.png，MOTO
MIDlet-Icon: /icons/loto.png
MIDlet-Jar-Size: 97566
MIDlet-Jar-URL: moto-txt.jar
MIDlet-Name: MOTO-TXT
MIDlet-Permissions:javax . micro edition . io . connector . file . read
MIDlet-供應商:元紫微
MIDlet版本:4.21
微環境配置:CLDC-1.0
微編輯-簡介:MIDP-2.0
MIDlet-Certificate-1-1:miidtccakmgawibagibajanbgkqhkig 9 w0 baqufadbzmqswcqydvqqgewjdtjexmbuga 1 uechmosm 95 b 1 lhbytdhvkaw 8 xdjambgn vbamtbvr 5 zhvzmsewhwyjkozhvcnaqkbfhjuew 1 c buewr 1 cyc
MIDlet-Certificate-1-2:miiddddccalygawibagijalbc ox 3 hosma 0 gcsqgsib 3d qebbquamfkxczajbgnvbaytaknomrcwfqydvqqkew 5 B3 lvwwfvifn 0 DWR pbzeomawga 1U eaxmfvhlkdkxmxitafbgkqhkig 9 w 0 bcqewel r5 zhvzqfr 5 zzhvzlmnvbs 5 jbjaefw 0 woda 0 juxnduxmzr
MIDlet-Jar-RSA-sha 1:cgaesj 72 gesjvdatojcatouh/2 ziqoyj 3 kyvntz 7 tuy 4 wxx ts/8 jndykijqbvx 7/6 qgtmkzt 2 w 6 o 2c/V/rfsz 4 ln 6 evyjmt/l5 ffevzthsqyzfithoc 622 euzd 77 xtsv 42 zmet/7 evjc 9 dwl 4 ty i9 lk 2 qd qgkkcgkcl 84 pjug