Implement VerifySignedData() for ECDSA, RSA PKCS#1 and RSA PSS.

net/data/verify_signed_data_unittest/rsa-using-ec-key.pem

Index: net/data/verify_signed_data_unittest/rsa-using-ec-key.pem
diff --git a/net/data/verify_signed_data_unittest/rsa-using-ec-key.pem b/net/data/verify_signed_data_unittest/rsa-using-ec-key.pem
new file mode 100644
index 0000000000000000000000000000000000000000..b9a3777f1714a5b76a5cfc4aa9d31270a911591d
--- /dev/null
+++ b/net/data/verify_signed_data_unittest/rsa-using-ec-key.pem
@@ -0,0 +1,52 @@
+This test specifies an RSA PKCS#1 v1.5 signature algorithm (and a valid RSA
+signature), HOWEVER it provides an EC key. Verification should fail.
+
+
+
+-----BEGIN PUBLIC KEY-----
+MFkwEwYHKoZIzj0CAQYIKoZIzj0DAQcDQgAEnLDPaTA9r8dh1ORoe07PA55tNKuWSvgIENjVWKS
+o1vctUSM6F4iSCobuCKGWLHnvoxf7eHnil9rSFG25lfoceA==
+-----END PUBLIC KEY-----
+
+$ openssl asn1parse -i < [PUBLIC KEY]
+    0:d=0  hl=2 l=  89 cons: SEQUENCE          
+    2:d=1  hl=2 l=  19 cons:  SEQUENCE          
+    4:d=2  hl=2 l=   7 prim:   OBJECT            :id-ecPublicKey
+   13:d=2  hl=2 l=   8 prim:   OBJECT            :prime256v1
+   23:d=1  hl=2 l=  66 prim:  BIT STRING        
+
+
+
+-----BEGIN ALGORITHM-----
+MA0GCSqGSIb3DQEBCwUA
+-----END ALGORITHM-----
+
+$ openssl asn1parse -i < [ALGORITHM]
+    0:d=0  hl=2 l=  13 cons: SEQUENCE          
+    2:d=1  hl=2 l=   9 prim:  OBJECT            :sha256WithRSAEncryption
+   13:d=1  hl=2 l=   0 prim:  NULL              
+
+
+
+-----BEGIN DATA-----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+-----END DATA-----
+
+
+
+-----BEGIN SIGNATURE-----
+A4GBADrHSmFSJw/Gv7hs5PNzpaJwAri/sitarIZfzN/SjR+n8L8yeTEoiDb1+BkxlFvXvPHTaOK
+oO3WlslNNOxh1W5/JkYYGOUkCcyIjnln6qS560imcr3VNjomT/M8M2Iss+rJiKau1TRuaP7H8i6
++Gqf3saGdr8/LnvFAdNQvkalQt
+-----END SIGNATURE-----
+
+$ openssl asn1parse -i < [SIGNATURE]
+    0:d=0  hl=3 l= 129 prim: BIT STRING