65 lines
3.8 KiB
C
65 lines
3.8 KiB
C
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#include <stdio.h>
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#include "libp2p/crypto/key.h"
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int test_protobuf_private_key() {
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int retVal = 0;
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size_t decode_base64_size = 0;
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unsigned char* decode_base64;
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// this is a base64 encoded private key. It makes it easier to test if it is in base64 form
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char* orig_priv_key = "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";
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struct PrivateKey* private_key = libp2p_crypto_private_key_new();
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struct RsaPrivateKey rsa_private_key = {0};
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// convert from base64
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// 1) take the private key and turn it back into bytes (decode base 64)
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decode_base64_size = libp2p_crypto_encoding_base64_decode_size(strlen(orig_priv_key));
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decode_base64 = (unsigned char*)malloc(decode_base64_size);
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memset(decode_base64, 0, decode_base64_size);
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int retVal = libp2p_crypto_encoding_base64_decode((unsigned char*)orig_priv_key, strlen(orig_priv_key), &decode_base64[0], decode_base64_size, &decode_base64_size);
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if (retVal == 0)
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goto exit;
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// the first 5 bytes [0-4] are protobuf metadata before the DER encoded private key
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// byte 0 is "Tag 1 which is a varint"
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// byte 1 is the value of the varint
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// byte 2 is "Tag 2 which is a type 2, length delimited field"
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// bytes 3 & 4 is a varint with the value of 1191, which is the number of bytes that follow
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if (!libp2p_crypto_private_key_protobuf_decode(decode_base64, decode_base64_size, &private_key))
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goto exit;
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// 2) take the bytes of the private key and turn it back into a private key struct
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if (!libp2p_crypto_encoding_x509_der_to_private_key(private_key->data, private_key->data_size, &rsa_private_key))
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goto exit;
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// 2b) take the private key and fill in the public key DER
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if (!libp2p_crypto_rsa_private_key_fill_public_key(&rsa_private_key))
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goto exit;
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// 3) grab the public key, hash it, then base58 it
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unsigned char hashed[32];
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ID_FromPK_non_null_terminated((char*)hashed, (unsigned char*)rsa_private_key.public_key_der, rsa_private_key.public_key_length);
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size_t final_id_size = 1600;
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unsigned char final_id[final_id_size];
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memset(final_id, 0, final_id_size);
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if (!PrettyID(final_id, &final_id_size, hashed, 32))
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goto exit;
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// 4) compare results
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if (orig_peer_id_size != final_id_size)
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goto exit;
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if (strncmp(orig_peer_id, (char*)final_id, final_id_size) != 0)
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goto exit;
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retVal = 1;
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exit:
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if (decode_base64 != NULL)
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free(decode_base64);
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return retVal;
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}
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