Fix invalid signature with crafted length
Fix invalid signature with crafted length

https://github.com/ppcoin/ppcoin/issues/100

https://github.com/ppcoin/ppcoin/commit/9b40cd5b12b518a3a40d39016f30955a20ea0bf5

noise23/TEK,maxxine/TEK,noise23/TEK,noise23/TEK,maxxine/TEK,maxxine/TEK,maxxine/TEK,noise23/TEK