diff options
Diffstat (limited to 'pipermail/pycrypto/2014q1/000784.html')
| -rw-r--r-- | pipermail/pycrypto/2014q1/000784.html | 86 |
1 files changed, 86 insertions, 0 deletions
diff --git a/pipermail/pycrypto/2014q1/000784.html b/pipermail/pycrypto/2014q1/000784.html new file mode 100644 index 0000000..165c290 --- /dev/null +++ b/pipermail/pycrypto/2014q1/000784.html @@ -0,0 +1,86 @@ +<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> +<HTML> + <HEAD> + <TITLE> [pycrypto] Got different PKCS1_v1_5 signature result on the same message & same rsa key pair + </TITLE> + <LINK REL="Index" HREF="index.html" > + <LINK REL="made" HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Got%20different%20PKCS1_v1_5%20signature%20result%20on%20the%20same%0A%09message%20%26%20same%20rsa%20key%20pair&In-Reply-To=%3C201403121122133419764%40goldenapptechnology.com%3E"> + <META NAME="robots" CONTENT="index,nofollow"> + <style type="text/css"> + pre { + white-space: pre-wrap; /* css-2.1, curent FF, Opera, Safari */ + } + </style> + <META http-equiv="Content-Type" content="text/html; charset=us-ascii"> + <LINK REL="Previous" HREF="000775.html"> + <LINK REL="Next" HREF="000785.html"> + </HEAD> + <BODY BGCOLOR="#ffffff"> + <H1>[pycrypto] Got different PKCS1_v1_5 signature result on the same message & same rsa key pair</H1> + <B>wanggang</B> + <A HREF="mailto:pycrypto%40lists.dlitz.net?Subject=Re%3A%20%5Bpycrypto%5D%20Got%20different%20PKCS1_v1_5%20signature%20result%20on%20the%20same%0A%09message%20%26%20same%20rsa%20key%20pair&In-Reply-To=%3C201403121122133419764%40goldenapptechnology.com%3E" + TITLE="[pycrypto] Got different PKCS1_v1_5 signature result on the same message & same rsa key pair">wanggang at goldenapptechnology.com + </A><BR> + <I>Tue Mar 11 20:22:14 PDT 2014</I> + <P><UL> + <LI>Previous message: <A HREF="000775.html">[pycrypto] Public Key (X.509) in Modulus/Exponent Format +</A></li> + <LI>Next message: <A HREF="000785.html">[pycrypto] Got different PKCS1_v1_5 signature result on the same message & same rsa key pair +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#784">[ date ]</a> + <a href="thread.html#784">[ thread ]</a> + <a href="subject.html#784">[ subject ]</a> + <a href="author.html#784">[ author ]</a> + </LI> + </UL> + <HR> +<!--beginarticle--> +<PRE>Hi pycrypto, + +This may be a simple problem since I am a newbiee to crypto. +I am not sure why I got different result from PKCS1_v1_5.new(RSA.construct(lst)).sign(SHA.new(a2b(m))) , +I have mentioned the 'stateful' comment in API doc, but still can't fix the code below. +besides I have used DES for a lot, & never got stuck in such situation. + +if __name__ == "__main__": + t = (modulus, publicExponent, privateExponent, prime1, prime2, coefficient) + lst = [long(x,16) for x in t] + + k = '1234' + e1 = RSA.construct(lst).encrypt(m, k) + e2 = RSA.construct(lst).encrypt(m, k) + assert e1 == e2 # passed + + signature1 = PKCS1_v1_5.new(RSA.construct(lst)).sign(SHA.new(a2b(m))) + print binascii.b2a_hex(signature1) + signature2 = PKCS1_v1_5.new(RSA.construct(lst)).sign(SHA.new(a2b(m))) + print binascii.b2a_hex(signature2) + assert signature1==signature2 # why this assertion failed ? + +Thank you in advance! +-------------- + Wang Gang +</PRE> + + +<!--endarticle--> + <HR> + <P><UL> + <!--threads--> + <LI>Previous message: <A HREF="000775.html">[pycrypto] Public Key (X.509) in Modulus/Exponent Format +</A></li> + <LI>Next message: <A HREF="000785.html">[pycrypto] Got different PKCS1_v1_5 signature result on the same message & same rsa key pair +</A></li> + <LI> <B>Messages sorted by:</B> + <a href="date.html#784">[ date ]</a> + <a href="thread.html#784">[ thread ]</a> + <a href="subject.html#784">[ subject ]</a> + <a href="author.html#784">[ author ]</a> + </LI> + </UL> + +<hr> +<a href="http://lists.dlitz.net/cgi-bin/mailman/listinfo/pycrypto">More information about the pycrypto +mailing list</a><br> +</body></html> |