Add some test RSA keys of sizes 768 and up

These are sufficiently large for PKCS#1v1.5 signature with SHA-512 or
SHA3-512. Cover some non-word-aligned sizes.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>

tests/data_files/Makefile

@@ -706,8 +706,24 @@ keys_rsa_basic_pwd = testkey
 ### Password used for PKCS8-encoded encrypted RSA keys
 keys_rsa_pkcs8_pwd = PolarSSLTest
 
-### Basic 1024-, 2048- and 4096-bit unencrypted RSA keys from which
+### Basic unencrypted RSA keys from which
 ### all other encrypted RSA keys are derived.
+keys_rsa_base =
+rsa_pkcs1_768_clear.pem:
+	$(OPENSSL) genrsa -out $@ 768
+keys_rsa_base += rsa_pkcs1_768_clear.pem
+rsa_pkcs1_769_clear.pem:
+	$(OPENSSL) genrsa -out $@ 769
+keys_rsa_base += rsa_pkcs1_769_clear.pem
+rsa_pkcs1_770_clear.pem:
+	$(OPENSSL) genrsa -out $@ 770
+keys_rsa_base += rsa_pkcs1_770_clear.pem
+rsa_pkcs1_776_clear.pem:
+	$(OPENSSL) genrsa -out $@ 776
+keys_rsa_base += rsa_pkcs1_776_clear.pem
+rsa_pkcs1_784_clear.pem:
+	$(OPENSSL) genrsa -out $@ 784
+keys_rsa_base += rsa_pkcs1_784_clear.pem
 rsa_pkcs1_1024_clear.pem:
 	$(OPENSSL) genrsa -out $@ 1024
 keys_rsa_base += rsa_pkcs1_1024_clear.pem

tests/data_files/rsa_pkcs1_768_clear.pem

@@ -0,0 +1,13 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

tests/data_files/rsa_pkcs1_769_clear.pem

@@ -0,0 +1,13 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

tests/data_files/rsa_pkcs1_770_clear.pem

@@ -0,0 +1,13 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

tests/data_files/rsa_pkcs1_776_clear.pem

@@ -0,0 +1,13 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----

tests/data_files/rsa_pkcs1_784_clear.pem

@@ -0,0 +1,13 @@
+-----BEGIN PRIVATE KEY-----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+-----END PRIVATE KEY-----