[Android]如何從 APK 拿到 SHA1 key

解開 apk 檔案取得
META-INF\CERT.SF

keytool -printcert -file CERT.RSA

就可得到如下結果

擁有者: EMAILADDRESS=oneplus@oneplus.cn, CN=OnePlus, OU=SW, O=OnePlus, L=Shenzhen, ST=Guangdong, C=CN
發出者: EMAILADDRESS=oneplus@oneplus.cn, CN=OnePlus, OU=SW, O=OnePlus, L=Shenzhen, ST=Guangdong, C=CN
序號: 8abe4e1ae1d847f1
有效期自: Thu May 07 15:25:19 CST 2015 到: Mon Sep 22 15:25:19 CST 2042
憑證指紋:
         MD5:  62:08:F4:ED:35:9F:F6:60:43:A0:31:A7:A7:9B:F6:06
         SHA1: B7:91:45:D7:9F:8F:14:C2:6C:68:EC:BB:27:8D:56:AE:43:65:B1:61
         SHA256: 46:81:AD:50:CA:FC:58:0E:DF:E0:27:BD:3F:E5:93:25:4E:72:CD:2D:EF:1B:35:1F:EA:30:6C:CF:62:20:CF:07
         簽章演算法名稱: SHA1withRSA
         版本: 3

擴充套件:

#1: ObjectId: 2.5.29.35 Criticality=false
AuthorityKeyIdentifier [
KeyIdentifier [
0000: 54 61 E2 B1 A9 15 E1 4D   9F 0F 92 DD 48 01 13 31  Ta.....M....H..1
0010: A8 49 AE 64                                        .I.d
]
]

#2: ObjectId: 2.5.29.19 Criticality=false
BasicConstraints:[
  CA:true
  PathLen:2147483647
]

#3: ObjectId: 2.5.29.14 Criticality=false
SubjectKeyIdentifier [
KeyIdentifier [
0000: 54 61 E2 B1 A9 15 E1 4D   9F 0F 92 DD 48 01 13 31  Ta.....M....H..1
0010: A8 49 AE 64                                        .I.d
]
]