post: start post about gpg publik key usage

content/blog/2023-11-15-using_gpg_public_key.md

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+title = "Using GPG Public Key"
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+
+GNU Privacy Guart (GPG) is an pupular two factor encrytpion system often used for signing or encrypting emails, files or even git commits.
+This post foruces on using provided public key to check signature validity for files signed using complementary public key.
+
+## Importing Key
+One way to keep prublic keys is by using a keyserver such as _hkps://keyserver.ubuntu.com_.
+To import key with ID **3BDD542C9B0BE180D5802DFF020C42B7A9ABA3E2** from  _hkps://keyserver.ubuntu.com_ keyserver
+issue command:
+```bash
+$ gpg2 --keyserver hkps://keyserver.ubuntu.com --recv-key 3BDD542C9B0BE180D5802DFF020C42B7A9ABA3E2
+```
+It's also possible to use "short" ID by using only the last 8 digits of hexadecimal
+ID representation, in our case **A9ABA3E2** - but it's discourages because of possible ID collisions.
+
+To search and import a key using email, example _asmir.abdulahovic@gmail.com_ issue command:
+```bash
+$ gpg2  --keyserver hkps://keyserver.ubuntu.com \
+        --search-keys "asmir.abdulahovic@gmail.com"
+```
+
+Note **hkps** protocol selection acts simmilary as **https** for **http**,
+prefferably use it to avoid **MITM** and other attacks.

content/blog/_index.md

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+paginate_by = 15
+path = "blog"
+title = "All blog posts"
+sort_by = "date"
+page_template = "blog-page.html"
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