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111
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1 /* PR target/53886 */
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2 typedef struct asn1_string_st ASN1_BIT_STRING;
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3 typedef struct bignum_st BIGNUM;
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4 typedef struct ec_group_st EC_GROUP;
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5 typedef struct ec_key_st EC_KEY;
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6
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7 struct ec_key_st
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8 {
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9 EC_GROUP *group;
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10 BIGNUM *priv_key;
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11 unsigned int enc_flag;
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12 }
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13 X9_62_PENTANOMIAL;
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14 typedef struct ec_privatekey_st
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15 {
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16 ASN1_BIT_STRING *publicKey;
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17 }
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18 EC_PRIVATEKEY;
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19
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20 extern EC_PRIVATEKEY* EC_PRIVATEKEY_new (void);
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21 extern void EC_PRIVATEKEY_free (EC_PRIVATEKEY*);
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22 extern unsigned char* CRYPTO_realloc (char*,int,const char*,int);
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23
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24 int
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25 i2d_ECPrivateKey (EC_KEY * a, unsigned char **out)
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26 {
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27 int ret = 0, ok = 0;
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28 unsigned char *buffer = 0;
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29 unsigned buf_len = 0, tmp_len;
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30 EC_PRIVATEKEY *priv_key = 0;
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31 if (a == 0 || a->group == 0 || a->priv_key == 0)
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32 {
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33 ERR_put_error (16, (192), ((3 | 64)),
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34 "",
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35 1234);
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36 goto err;
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37 }
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38 if ((priv_key = EC_PRIVATEKEY_new ()) == 0)
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39 {
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40 ERR_put_error (16, (192), ((1 | 64)),
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41 "",
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42 1241);
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43 goto err;
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44 }
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45 if (!(a->enc_flag & 0x002))
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46 {
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47 if (priv_key->publicKey == 0)
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48 {
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49 goto err;
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50 }
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51 if (tmp_len > buf_len)
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52 {
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53 unsigned char *tmp_buffer =
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54 CRYPTO_realloc ((char *) buffer, (int) tmp_len, "", 1293);
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55 buffer = tmp_buffer;
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56 }
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57 }
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58 if ((ret = i2d_EC_PRIVATEKEY (priv_key, out)) == 0)
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59 {
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60 }
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61 ok = 1;
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62 err:
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63 if (buffer)
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64 CRYPTO_free (buffer);
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65 if (priv_key)
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66 EC_PRIVATEKEY_free (priv_key);
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67 return (ok ? ret : 0);
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68 }
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