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    <p>I have no problems calling out to OAuth 1.0. Here's some sample Apex for signing your request:</p> <p>EDIT: Added additional code</p> <pre><code>private Map&lt;String,String&gt; getUrlParams(String value) { Map&lt;String,String&gt; res = new Map&lt;String,String&gt;(); if(value==null || value=='') { return res; } for(String s : value.split('&amp;')) { List&lt;String&gt; kv = s.split('='); if(kv.size()&gt;1) { res.put(kv[0],kv[1]); } } return res; } private String createBaseString(Map&lt;String,String&gt; oauthParams, HttpRequest req) { Map&lt;String,String&gt; p = oauthParams.clone(); if(req.getMethod().equalsIgnoreCase('post') &amp;&amp; req.getBody()!=null &amp;&amp; req.getHeader('Content-Type')=='application/x-www-form-urlencoded') p.putAll(getUrlParams(req.getBody())); String host = req.getEndpoint(); Integer n = host.indexOf('?'); if(n &gt; -1) { p.putAll(getUrlParams(host.substring(n+1))); host = host.substring(0,n); } List&lt;String&gt; keys = new List&lt;String&gt;(); keys.addAll(p.keySet()); keys.sort(); String s = keys.get(0)+'='+p.get(keys.get(0)); for(Integer i=1; i&lt;keys.size(); i++) s = s + '&amp;' + keys.get(i) + '=' + p.get(keys.get(i)); return req.getMethod().toUpperCase() + '&amp;' + EncodingUtil.urlEncode(host, 'UTF-8') + '&amp;' + EncodingUtil.urlEncode(s, 'UTF-8'); } public void sign(HttpRequest req) { nonce = String.valueOf(Crypto.getRandomLong()); timestamp = String.valueOf(DateTime.now().getTime() / 1000); refreshParameters(); String s = createBaseString(parameters, req); Blob sig = Crypto.generateMac('HmacSHA1', Blob.valueOf(s), Blob.valueOf(consumerSecret+'&amp;'+ (tokenSecret!=null ? tokenSecret : ''))); signature = EncodingUtil.urlEncode(EncodingUtil.base64encode(sig), 'UTF-8'); String header = 'OAuth '; for (String key : parameters.keySet()) { header = header + key + '="'+parameters.get(key)+'", '; } header = header + 'oauth_signature="'+signature+'"'; req.setHeader('Authorization',header); } </code></pre> <p>This might be reaching, but could there be a case-sensitivity issue? Notice I'm calling 'HmacSHA1' not 'hmacSHA1'</p>
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    1. POIssues with Crypto.generateMac() in SalesForce APEX
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    1. USAdam
    1. USAdam
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      1. VTUpMod
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    1. COHi @adam, this is nice, am trying to encrypt using this generatemac, how do we decrypt this using our own custom private key??? Can you please post a sample code?
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    2. COAdam can you please put the whole code
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    3. COAdditional code is now posted.
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