version 1.8.2.2, 2002/03/07 17:37:47 |
version 1.8.2.3, 2002/06/26 18:22:36 |
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#define SIGBLOB_LEN (2*INTBLOB_LEN) |
#define SIGBLOB_LEN (2*INTBLOB_LEN) |
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int |
int |
ssh_dss_sign( |
ssh_dss_sign(Key *key, u_char **sigp, u_int *lenp, |
Key *key, |
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u_char **sigp, u_int *lenp, |
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u_char *data, u_int datalen) |
u_char *data, u_int datalen) |
{ |
{ |
DSA_SIG *sig; |
DSA_SIG *sig; |
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rlen = BN_num_bytes(sig->r); |
rlen = BN_num_bytes(sig->r); |
slen = BN_num_bytes(sig->s); |
slen = BN_num_bytes(sig->s); |
if (rlen > INTBLOB_LEN || slen > INTBLOB_LEN) { |
if (rlen > INTBLOB_LEN || slen > INTBLOB_LEN) { |
error("bad sig size %d %d", rlen, slen); |
error("bad sig size %u %u", rlen, slen); |
DSA_SIG_free(sig); |
DSA_SIG_free(sig); |
return -1; |
return -1; |
} |
} |
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return 0; |
return 0; |
} |
} |
int |
int |
ssh_dss_verify( |
ssh_dss_verify(Key *key, u_char *signature, u_int signaturelen, |
Key *key, |
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u_char *signature, u_int signaturelen, |
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u_char *data, u_int datalen) |
u_char *data, u_int datalen) |
{ |
{ |
DSA_SIG *sig; |
DSA_SIG *sig; |
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} |
} |
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if (len != SIGBLOB_LEN) { |
if (len != SIGBLOB_LEN) { |
fatal("bad sigbloblen %d != SIGBLOB_LEN", len); |
fatal("bad sigbloblen %u != SIGBLOB_LEN", len); |
} |
} |
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/* parse signature */ |
/* parse signature */ |