6 /* Routines for verifying a file's signature. Useful in testing the core
29   uint8_t* signature = NULL;  in read_signature()  local
31     fprintf(stderr, "Couldn't open signature file\n");  in read_signature()
35   /* Read the signature into a buffer*/  in read_signature()
36   signature = (uint8_t*) malloc(len);  in read_signature()
37   if (!signature)  in read_signature()
40   if( (i = read(sigfd, signature, len)) != len ) {  in read_signature()
41     fprintf(stderr, "Wrong signature length - Expected = %d, Received = %d\n",  in read_signature()
48   return signature;  in read_signature()
55   uint8_t* signature = NULL;  in main()  local
59     fprintf(stderr, "Usage: %s <algorithm> <key file> <signature file>"  in main()
61     fprintf(stderr, "where <algorithm> depends on the signature algorithm"  in main()
73   /* Length of the RSA Signature/RSA Key */  in main()
76       (signature = read_signature(argv[3], sig_len)) &&  in main()
78     if (RSAVerify(key, signature, sig_len, algorithm, digest)) {  in main()
80       fprintf(stderr, "Signature Verification "  in main()
83       fprintf(stderr, "Signature Verification "  in main()
91   free(signature);  in main()