mirror of
https://github.com/gentoo-mirror/guru.git
synced 2026-07-10 15:45:15 -04:00
74 lines
2.7 KiB
Diff
74 lines
2.7 KiB
Diff
--- a/source/rsa.c
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+++ b/source/rsa.c
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@@ -11,10 +11,10 @@
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#include "rsa.h"
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#include "nn.h"
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-static int RSAPublicBlock PROTO_LIST
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+int RSAPublicBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int,
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R_RSA_PUBLIC_KEY *));
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-static int RSAPrivateBlock PROTO_LIST
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+int RSAPrivateBlock PROTO_LIST
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((unsigned char *, unsigned int *, unsigned char *, unsigned int,
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R_RSA_PRIVATE_KEY *));
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@@ -33,6 +33,9 @@
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unsigned char byte, pkcsBlock[MAX_RSA_MODULUS_LEN];
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unsigned int i, modulusLen;
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+ if (inputLen+3>MAX_RSA_MODULUS_LEN) return (RE_LEN);
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+ if (publicKey->bits > MAX_RSA_MODULUS_BITS) return (RE_LEN);
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+
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modulusLen = (publicKey->bits + 7) / 8;
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if (inputLen + 11 > modulusLen)
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return (RE_LEN);
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@@ -78,6 +81,9 @@
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unsigned char pkcsBlock[MAX_RSA_MODULUS_LEN];
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unsigned int i, modulusLen, pkcsBlockLen;
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+ if (inputLen>MAX_RSA_MODULUS_LEN) return (RE_LEN);
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+ if (publicKey->bits > MAX_RSA_MODULUS_BITS) return (RE_LEN);
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+
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modulusLen = (publicKey->bits + 7) / 8;
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if (inputLen > modulusLen)
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return (RE_LEN);
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@@ -129,6 +135,9 @@
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unsigned char pkcsBlock[MAX_RSA_MODULUS_LEN];
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unsigned int i, modulusLen;
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+ if (inputLen+3>MAX_RSA_MODULUS_LEN) return (RE_LEN);
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+ if (privateKey->bits > MAX_RSA_MODULUS_BITS) return (RE_LEN);
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+
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modulusLen = (privateKey->bits + 7) / 8;
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if (inputLen + 11 > modulusLen)
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return (RE_LEN);
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@@ -168,6 +177,9 @@
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unsigned char pkcsBlock[MAX_RSA_MODULUS_LEN];
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unsigned int i, modulusLen, pkcsBlockLen;
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+ if (inputLen>MAX_RSA_MODULUS_LEN) return (RE_LEN);
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+ if (privateKey->bits > MAX_RSA_MODULUS_BITS) return (RE_LEN);
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+
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modulusLen = (privateKey->bits + 7) / 8;
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if (inputLen > modulusLen)
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return (RE_LEN);
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@@ -212,7 +224,7 @@
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Assumes inputLen < length of modulus.
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Requires input < modulus.
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*/
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-static int RSAPublicBlock (output, outputLen, input, inputLen, publicKey)
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+int RSAPublicBlock (output, outputLen, input, inputLen, publicKey)
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unsigned char *output; /* output block */
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unsigned int *outputLen; /* length of output block */
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unsigned char *input; /* input block */
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@@ -252,7 +264,7 @@
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Assumes inputLen < length of modulus.
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Requires input < modulus.
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*/
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-static int RSAPrivateBlock (output, outputLen, input, inputLen, privateKey)
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+int RSAPrivateBlock (output, outputLen, input, inputLen, privateKey)
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unsigned char *output; /* output block */
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unsigned int *outputLen; /* length of output block */
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unsigned char *input; /* input block */
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