Class: Digest::Base
Overview
This abstract class provides a common interface to message digest implementation classes written in C.
Instance Method Summary collapse
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#<<(str) ⇒ Object
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#block_length ⇒ Object
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#digest_length ⇒ Object
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#initialize_copy(obj) ⇒ Object
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#reset ⇒ Object
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#update(str) ⇒ Object
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Methods inherited from Class
base64digest, bubblebabble, digest, file, hexdigest, #initialize
Methods included from Instance
#==, #base64digest, #base64digest!, #bubblebabble, #digest, #digest!, #file, #hexdigest, #hexdigest!, #inspect, #length, #new, #size, #to_s
Constructor Details
This class inherits a constructor from Digest::Class
Instance Method Details
#<<(str) ⇒ Object
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# File 'digest.c', line 615
static VALUE
rb_digest_base_update(VALUE self, VALUE str)
{
rb_digest_metadata_t *algo;
void *pctx;
algo = get_digest_base_metadata(rb_obj_class(self));
TypedData_Get_Struct(self, void, &digest_type, pctx);
StringValue(str);
algo->update_func(pctx, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str));
return self;
}
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#block_length ⇒ Object
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# File 'digest.c', line 664
static VALUE
rb_digest_base_block_length(VALUE self)
{
rb_digest_metadata_t *algo;
algo = get_digest_base_metadata(rb_obj_class(self));
return INT2NUM(algo->block_len);
}
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#digest_length ⇒ Object
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# File 'digest.c', line 653
static VALUE
rb_digest_base_digest_length(VALUE self)
{
rb_digest_metadata_t *algo;
algo = get_digest_base_metadata(rb_obj_class(self));
return INT2NUM(algo->digest_len);
}
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#initialize_copy(obj) ⇒ Object
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# File 'digest.c', line 577
static VALUE
rb_digest_base_copy(VALUE copy, VALUE obj)
{
rb_digest_metadata_t *algo;
void *pctx1, *pctx2;
if (copy == obj) return copy;
rb_check_frozen(copy);
algo = get_digest_base_metadata(rb_obj_class(copy));
if (algo != get_digest_base_metadata(rb_obj_class(obj)))
rb_raise(rb_eTypeError, "different algorithms");
TypedData_Get_Struct(obj, void, &digest_type, pctx1);
TypedData_Get_Struct(copy, void, &digest_type, pctx2);
memcpy(pctx2, pctx1, algo->ctx_size);
return copy;
}
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#reset ⇒ Object
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# File 'digest.c', line 599
static VALUE
rb_digest_base_reset(VALUE self)
{
rb_digest_metadata_t *algo;
void *pctx;
algo = get_digest_base_metadata(rb_obj_class(self));
TypedData_Get_Struct(self, void, &digest_type, pctx);
algo_init(algo, pctx);
return self;
}
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#update(str) ⇒ Object
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# File 'digest.c', line 615
static VALUE
rb_digest_base_update(VALUE self, VALUE str)
{
rb_digest_metadata_t *algo;
void *pctx;
algo = get_digest_base_metadata(rb_obj_class(self));
TypedData_Get_Struct(self, void, &digest_type, pctx);
StringValue(str);
algo->update_func(pctx, (unsigned char *)RSTRING_PTR(str), RSTRING_LEN(str));
return self;
}
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