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atproto/crypto: add test fixtures (#447)
This tests for DER-encoded signatures, which we don't want to allow. The
typescript implementation was accepting these, but now doesn't, which is
why there are new test entries.
+35
-5
+35
-5
atproto/crypto/testdata/signature-fixtures.json
+35
-5
atproto/crypto/testdata/signature-fixtures.json
···
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[
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[
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{
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"comment": "valid P-256 key and signature, with low-S signature",
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"messageBase64": "oWVoZWxsb2V3b3JsZA",
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"algorithm": "ES256",
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"didDocSuite": "EcdsaSecp256r1VerificationKey2019",
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"publicKeyDid": "did:key:zDnaembgSGUhZULN2Caob4HLJPaxBh92N7rtH21TErzqf8HQo",
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"publicKeyMultibase": "zxdM8dSstjrpZaRUwBmDvjGXweKuEMVN95A9oJBFjkWMh",
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"signatureBase64": "2vZNsG3UKvvO/CDlrdvyZRISOFylinBh0Jupc6KcWoJWExHptCfduPleDbG3rko3YZnn9Lw0IjpixVmexJDegg",
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"validSignature": true
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"validSignature": true,
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"tags": []
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},
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{
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"comment": "valid K-256 key and signature, with low-S signature",
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"messageBase64": "oWVoZWxsb2V3b3JsZA",
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"algorithm": "ES256K",
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"didDocSuite": "EcdsaSecp256k1VerificationKey2019",
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"publicKeyDid": "did:key:zQ3shqwJEJyMBsBXCWyCBpUBMqxcon9oHB7mCvx4sSpMdLJwc",
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"publicKeyMultibase": "z25z9DTpsiYYJKGsWmSPJK2NFN8PcJtZig12K59UgW7q5t",
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"signatureBase64": "5WpdIuEUUfVUYaozsi8G0B3cWO09cgZbIIwg1t2YKdUn/FEznOndsz/qgiYb89zwxYCbB71f7yQK5Lr7NasfoA",
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"validSignature": true
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"validSignature": true,
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"tags": []
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},
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{
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"comment": "P-256 key and signature, with non-low-S signature which is invalid in atproto",
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"messageBase64": "oWVoZWxsb2V3b3JsZA",
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"algorithm": "ES256",
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"didDocSuite": "EcdsaSecp256r1VerificationKey2019",
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"publicKeyDid": "did:key:zDnaembgSGUhZULN2Caob4HLJPaxBh92N7rtH21TErzqf8HQo",
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"publicKeyMultibase": "zxdM8dSstjrpZaRUwBmDvjGXweKuEMVN95A9oJBFjkWMh",
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"signatureBase64": "2vZNsG3UKvvO/CDlrdvyZRISOFylinBh0Jupc6KcWoKp7O4VS9giSAah8k5IUbXIW00SuOrjfEqQ9HEkN9JGzw",
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"validSignature": false
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"validSignature": false,
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"tags": ["high-s"]
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},
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{
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"comment": "K-256 key and signature, with non-low-S signature which is invalid in atproto",
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"messageBase64": "oWVoZWxsb2V3b3JsZA",
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"algorithm": "ES256K",
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"didDocSuite": "EcdsaSecp256k1VerificationKey2019",
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"publicKeyDid": "did:key:zQ3shqwJEJyMBsBXCWyCBpUBMqxcon9oHB7mCvx4sSpMdLJwc",
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"publicKeyMultibase": "z25z9DTpsiYYJKGsWmSPJK2NFN8PcJtZig12K59UgW7q5t",
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"signatureBase64": "5WpdIuEUUfVUYaozsi8G0B3cWO09cgZbIIwg1t2YKdXYA67MYxYiTMAVfdnkDCMN9S5B3vHosRe07aORmoshoQ",
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"validSignature": false
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+
"validSignature": false,
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"tags": ["high-s"]
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},
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{
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"comment": "P-256 key and signature, with DER-encoded signature which is invalid in atproto",
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"messageBase64": "oWVoZWxsb2V3b3JsZA",
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"algorithm": "ES256",
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"didDocSuite": "EcdsaSecp256r1VerificationKey2019",
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"publicKeyDid": "did:key:zDnaeT6hL2RnTdUhAPLij1QBkhYZnmuKyM7puQLW1tkF4Zkt8",
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"publicKeyMultibase": "ze8N2PPxnu19hmBQ58t5P3E9Yj6CqakJmTVCaKvf9Byq2",
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"signatureBase64": "MEQCIFxYelWJ9lNcAVt+jK0y/T+DC/X4ohFZ+m8f9SEItkY1AiACX7eXz5sgtaRrz/SdPR8kprnbHMQVde0T2R8yOTBweA",
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"validSignature": false,
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"tags": ["der-encoded"]
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},
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{
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"comment": "K-256 key and signature, with DER-encoded signature which is invalid in atproto",
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"messageBase64": "oWVoZWxsb2V3b3JsZA",
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"algorithm": "ES256K",
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"didDocSuite": "EcdsaSecp256k1VerificationKey2019",
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"publicKeyDid": "did:key:zQ3shnriYMXc8wvkbJqfNWh5GXn2bVAeqTC92YuNbek4npqGF",
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+
"publicKeyMultibase": "z22uZXWP8fdHXi4jyx8cCDiBf9qQTsAe6VcycoMQPfcMQX",
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"signatureBase64": "MEUCIQCWumUqJqOCqInXF7AzhIRg2MhwRz2rWZcOEsOjPmNItgIgXJH7RnqfYY6M0eg33wU0sFYDlprwdOcpRn78Sz5ePgk",
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"validSignature": false,
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"tags": ["der-encoded"]
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}
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]