I'm sorry it took me so long to test this...but here's the result: I'm still getting an error when trying to read this key using the BIO interface:
Error: error:0906D064:PEM routines:PEM_read_bio:bad base64 decode More info below: My pubkey looks like this (this is just a test key): (pubkey.h): static const char* pubkey = (char*)"\ -----BEGIN PUBLIC KEY-----\n\ MIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEAo+0cqJqlbJ7IoauOQzS\ wm43nMeM1wgapDxhgeNxBFz8Y8WdC56iHu7ICQhrIybzK1Zv1a9dmExyeGhGPRM\ vXYssNoOhphLFiN5mUwA3BNkxY2QwECESqPnlThXGiJ4bhBwvdXJ8ixtjGIh84P\ BV70Hf1F+FfVQPbi7GctLWSx6JD5xLb9h5D0sdfierup0TfNDMgrVDwvIlG4iKe\ GfB8npCUcicQ1E8pqx1axX3OxHIRr0dLIPrsPWKVj24jdeDZn0H+jhKxqus2/Yv\ fdoPAnlKgltmlnon23C06hziIOwbvECDho9zrw+nQSWQIQvs1TXaSZjYgVM45Uk\ zFNYn2Smv0efCUPEJa6gNawR/HFw8hIpBmtl6Jhm+du9AgLGU0j4pgAcw0xfj5F\ vsjeZfQDHm9FIbhY9dOoqcCwoIV5gzsb224T2uIHc+glAPjCOS+3rEP1+YwcGIK\ ObtIbzq2/rxS1HEx5z4NacLToOFZSKStgshXFQIjWCJ+2dCS8I4z5rkn1cP4bNR\ RIB7J5gdOsq+NJuLjC42QfTW7+rq/9ivjAUPwbnytqfWITbJZB5RurumCnaURqb\ 18v6kzvjO0A3Hxk2a1zjbpsO1+w9G3dW/F0fWqfn2JQoCTXKf1FJnzN+NaRMa5a\ vt8ohOwbObEDRoEjaC/OqiERaX4pHrHhU8CAwEAAQ==\n\ -----END PUBLIC KEY-----\n\ "; My code to read the pubkey looks like this: BIO* bio = BIO_new_mem_buf((void*)pubkey, -1); RSA* x = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL); The results of this action are: Error: error:0906D064:PEM routines:PEM_read_bio:bad base64 decode What is wrong with this key? -Zach On 04/02/2013 03:03 AM, Jakob Bohm wrote: > On 02-04-2013 00:30, Zach wrote: >> I've been reading through the OpenSSL documentation, but I must be >> missing something... >> >> I have a public key (base64 encoded) which looks something like this: >> MIICIjANBgkqhkiG9w0BAQEFA......U8CAwEAAQ== >> This is in a char buffer. I've tried this with/without the wrapping >> text of -----BEGIN PUBLIC KEY----- and -----END PUBLIC KEY-----. > Did you remember to put "\n" after the two marker strings and before > the end string? > > "-----BEGIN PUBLIC KEY-----\n" and "\n-----END PUBLIC KEY-----\n" > >> I then do the following 2 lines of code: >> BIO* bio = BIO_new_mem_buf((void*)pubkey, -1); >> RSA* x = PEM_read_bio_RSA_PUBKEY(bio, NULL, NULL, NULL); >> >> As I understand it, this should: >> 1) create a BIO wrapper around the char* pubkey source, and >> 2) read from this BIO pointer an RSA key. >> >> However, the RSA pointer is null, and when I check the errors coming out >> of the library it says: >> error:0906D06C:PEM routines:PEM_read_bio:no start line >> >> I assume that I've formed the BIO instance incorrectly...what should I >> do differently? >> >> -Zach >> >> On 03/31/2013 02:49 AM, Dave Thompson wrote: >>>> From: owner-openssl-us...@openssl.org On Behalf Of Felipe Blauth >>>> Sent: Friday, 29 March, 2013 16:36 >>>> To read the key from your header file you might want to use >>>> a memory BIO in conjunction with the PEM_read_bio_PUBKEY function >>>> or PEM_read_bio_RSAPublicKey ( I don't remember which one you should >>>> use, but this was answered in this list before). I don't have a test >>> The default from commandline is PUBKEY (*private* keys changed >>> from per-algorithm to PKCS8 in 1.0.0). >>> >>>> enviroment right now, but you should do something like this: >>>> char key[] = "Your pem key goes here"; >>> Including newlines represented as \n, which is easy to miss. >>> >>>> BIO *mem = BIO_new(BIO_s_mem()); >>>> BIO_puts(mem, key); >>> Or just BIO_new_mem_buf(key,len_or_neg1); >>> >>>> EVP_PKEY* pkey=PEM_read_bio_PUBKEY(mem,NULL,NULL,NULL); >>> Or PEM_read_bio_RSA_PUBKEY to "downcast" to RSA*, which you can >>> also do separately, but EVP is generally preferable. >>> >>> <snip> >>> > > Enjoy > > Jakob ______________________________________________________________________ OpenSSL Project http://www.openssl.org User Support Mailing List openssl-users@openssl.org Automated List Manager majord...@openssl.org
