This example shows how to use the TLS_cyassl library. It connects to twitter.com and downloads a webpage.

Dependencies:   EthernetInterface7 HTTPSClient_cyassl TLS_cyassl mbed-rtos mbed

Fork of HTTPSClientExample2 by Francois Berder

Once you imported this program, you need to load the right certificate. To do so, open the file cert.h in the TLS_cyassl library then, replace the content by this :

root certificate of twitter

static const uint8_t root_cert[] =
{
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0xB7, 0x4B, 0xB3, 0xFE, 0x8F, 0x7E, 0x07, 0x57, 0xEC, 0xEF, 0x43, 0xDB, 0x66, 0x62, 0x15, 0x61,
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0x34, 0x87, 0x96, 0x8A, 0xEE, 0x53, 0xE8, 0x25, 0x15, 0x02, 0x03, 0x01, 0x00, 0x01, 0xA3, 0x81,
0xB2, 0x30, 0x81, 0xAF, 0x30, 0x0F, 0x06, 0x03, 0x55, 0x1D, 0x13, 0x01, 0x01, 0xFF, 0x04, 0x05,
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0xD3, 0x65, 0xA7, 0xC2, 0xDD, 0xEC, 0xBB, 0xF0, 0x30, 0x09, 0xF3, 0x43, 0x39, 0xFA, 0x02, 0xAF,
0x33, 0x31, 0x33, 0x30, 0x0D, 0x06, 0x09, 0x2A, 0x86, 0x48, 0x86, 0xF7, 0x0D, 0x01, 0x01, 0x05,
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0xF9, 0x7C, 0x92, 0x5A, 0x08, 0x69, 0x20, 0x0D, 0xD9, 0x3E, 0x6D, 0x6E, 0x3C, 0x0D, 0x6E, 0xD8,
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0xDE, 0xFD, 0xA8, 0x82, 0x2A, 0x6D, 0x28, 0x1F, 0x0D, 0x0B, 0xC4, 0xE5, 0xE7, 0x1A, 0x26, 0x19,
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0x18, 0x3F, 0x68, 0x5C, 0xF2, 0x42, 0x4A, 0x85, 0x38, 0x54, 0x83, 0x5F, 0xD1, 0xE8, 0x2C, 0xF2,
0xAC, 0x11, 0xD6, 0xA8, 0xED, 0x63, 0x6A
};

static const uint32_t root_cert_len = sizeof(root_cert);

Tags

2013-09-18 tip Revision History Files