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12ce366573
- Remove use of EVP in favor of the low-level API - Add generic check_pkcs_pad() function in jumbo.c Obtained from: https://github.com/magnumripper/JohnTheRipper/commit/f837171 https://github.com/magnumripper/JohnTheRipper/commit/04d2b35
26 lines
545 B
C
26 lines
545 B
C
--- jumbo.c.orig 2014-12-18 07:59:02 UTC
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+++ jumbo.c
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@@ -334,3 +334,23 @@ int setenv(const char *name, const char *val, int over
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return 0;
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}
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#endif
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+
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+int check_pkcs_pad(const unsigned char* data, size_t len, int blocksize)
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+{
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+ int pad_len = data[len - 1];
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+ int padding = pad_len;
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+ int real_len = len - pad_len;
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+ const unsigned char *p = data + real_len;
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+
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+ if (pad_len > blocksize || pad_len < 1)
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+ return -1;
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+
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+ if (len < blocksize)
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+ return -1;
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+
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+ while (pad_len--)
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+ if (*p++ != padding)
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+ return -1;
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+
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+ return real_len;
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+}
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